1966 Chevrolet K20 Pickup Performance Engines

Name: Valve Cover Gasket Set
Brand: Mr. Gasket
SKU: 182
Price: 51.99 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1966 Chevrolet K20 Pickup in Top Shape with Quality Performance Engines

Whether you’re repairing or upgrading your Performance Engine, using high-quality parts is key to keeping your 1966 Chevrolet K20 Pickup looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Valve Cover Gasket Sets, Performance Intake Manifolds, and Performance Water Outlet Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Performance Engines from Trusted Brands

Looking for a reliable Performance Engine? We’ve got you covered with options from brands you know and trust like FEL-PRO Performance, Competition Cams, and Edelbrock. For example, FEL-PRO Performance Performance Engines start at just $31.99 with an average 4.2 star rating. Competition Cams and Edelbrock offer similar pricing and quality, backed by strong customer feedback. With over 145 reviews and a solid 5 star average, you can shop with confidence knowing other Chevrolet K20 Pickup owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Chevrolet K20 Pickup Performance Engine at Advance Auto Parts is around $258.87, with a range that starts at $7.99 and goes up to $1,332.99. With 170 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts, and Bolt Kit Intake Hex Head start at just $10.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Fuel Systems and Performance Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1966 Chevrolet K20 Pickup in peak condition, inside and out.

Looking for the perfect Performance Engine for your 1966 Chevrolet K20 Pickup? You’re in the right place. Below, you’ll find links to various types of Performance Engines that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Engines, ensuring durability and a precise fit for your Chevrolet K20 Pickup. Whether you’re driving a 1966 model or another popular model year like 1965, 1967, 1968, 1969, 1970, 1971, 1972, 1973, and 1974, we’ve got you covered. Purchasing Performance Engines from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Engines that fit your vehicle.

Essential 1966 Chevrolet K20 Pickup Performance Engines

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$51.99

Mr. Gasket Performance Valve Cover Gaskets are high-density cork/rubber blend gaskets that use evenly sized cork particles distributed evenly throughout the rubber binder. The result is a compressible valve cover gasket without leak paths. These gaskets create a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Provides excellent flange sealing and durability. For original equipment replacement, high performance street, drag race and oval track use.brbrThese gaskets are .312 inch thick. That’s substantially thicker than stock which can allow for additional valve train clearance.brbrFits Chevrolet 396,402,427,454,502 Gen IV, Gen V and Gen VI Big Block.

Product Features:

This Gasket Has A Cork Rubber Blend
Provides Excellent Sealing And Durability
Extra Thick For The Hard To Seal Applications

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$44.99

Product Features:

Replacement Gasket Set For PN[4242]

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$1059.99

Product Features:

50-State Street Legal Aluminum Cylinder Head
Out-of-the-Box Bolt-On Performance
64cc Combustion Chambers Improve Performance
Retain Stock Compression Ratio

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$81.99

Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.brbrGasket Bore 4.130 inch, Compressed thickness 0.055 inch

Product Features:

Five layer (graphite core/perforated steel outer layers) composite construction
Graphite core is excellent transfering heat away from hot spots in head preventing gasket burn-out.
Provides excellent stability, compressibility and high temperature endurance
Coated with high temperature silicone to ensure sealing of engine fluids
Will not brinell (indent) aluminum cylinder heads
For high performance street, drag race and oval track use
Compatible w/High Octane Fuel
Compatible With Exotic Fuel

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$390.99

SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy Computer Controlled: Great in throttle body, crossfire or carbureted engine and 305 TPI.

Product Features:

Cam and lifter kit for Small Block Chevy engines
CL-Kit includes cam, lifters, assembly lube, instructions and decals
HYDRAULIC – Xtreme Energy Computer Controlled: Great in throttle body, crossfire or carbureted engine and 305 TPI.
249/260 Advertised Duration, 206/212 Duration @ .050″, .434″/.444″ Lift, 112 Lobe Separation
Valve spring upgrade required

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$17.79

Dowel pins are precision machined and case hardened for accurate head alignment. Two per set. 5/16 inch x 5/8 inch

Product Features:

Precision Machined
Case Hardened
Give Accurate Alignment
2 Per Set

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$433.99

These COMP Cams Ultra-Gold Aluminum Roller Rocker Arms with a 3/8″ stud diameter and 1.6 ratio are designed for Chevrolet V8 265-400 applications. The new modern design features of these Ultra-Gold Rockers are proven to withstand extremely aggressive spring pressure and valve lift. Designed specifically for high performance street and race engines, the Ultra-Gold Aluminum Rocker Arms are precision CNC-machined to strict tolerances. Developed to meet the demands of professional engine builders, these rockers include features never before possible in an aluminum rocker arm.

Product Features:

CNC-machined, lightweight design removes weight and yields unrivaled quality and ratio accuracy
Designed for high performance street and race engines
Precision-sorted trunion bearings withstand elevated valve spring pressure and valve lift
Additional clearance, up to 1.650″ O.D. valve spring

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$12.99

Spectre’s Chevrolet V8 water neck fits 1966 – 1995 Chevy V8 engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This water neck includes bolts.

Product Features:

Fits 1966 – 1995 Chevy V8 engines
Includes bolts
Chrome plated
Designed for OEM fit
Easy to install
O-ring/gasket not included

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$281.99

2500-6500 RPM high-performance street engines. Single-plane low-rise intake good for high RPM. Ideal for applications with limited hood clearance. For top-end HP and adequate throttle response. Not for mileage or emissions applications. For trucks or vans use PN(2701) instead. Not for LT1 or Chevy bowtie heads. Not for 1987 and later stock aluminum heads. Available in cast or polished.

Product Features:

2500 to 6500 RPM High Performance Street Engines
Single-Plane Low-Rise Intake Good for High RPM
Ideal for Applications with Limited Hood Clearance
For Top-End HP and Adequate Throttle Response
Not for Mileage or Emissions Applications
For Trucks or Vans Use PN[2701] Instead
Not for LT1 or Chevy Bowtie Heads
Not for 1987 and Later Stock Aluminum Heads

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$15.99

Roller cam lobes are ground flat rather than tapered like a flat tappet cam; it is necessary to provide some means of holding the cam back to the rear of the engine. The thrust button rides between the front of the timing gear and the back of the front cover and can be shimmed for proper end play of the cam. COMP Cams has both the solid nylon button and the roller thrust bearing available for the ultimate in performance.

Product Features:

.810″ Length
Ride between the front of the timing gear and the back of the timing cover
Can be shimmed to achieve proper endplay
Solid nylon and roller thrust bearing styles available

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$13.99

High Energy Hydraulic Flat Lifter Chevrolet SBC, BBC, and 194-292/200-262 V6.

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$42.99

Manufactured from cellulose/nitrile composition gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor oil pan rail irregularities and eliminate the possibility of oil leakage. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For original equipment replacement, high performance street, drag race and oval track.

Product Features:

Manufactured from cellulose/nitrile rubber composition gasket material
Provides excellent sealing and durability
Complete with molded rubber front/rear oil pan end seals where applicable
For OE replacement, high performance street, drag race and oval track use
Graphite Non-Wicking Rubber
No Cork Particles
Easy Removal For Disassembly

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$9.99

This is a high quality gasket that will seal that leaking water neck, and provide you with years of service. This gasket works well in all applications.

Product Features:

Made From Cellulose/Nitrile Composition
Provides Excellent Sealing And Durability
These Gaskets Are Die Cut For a Precision Fit
Fits Small Block Chevy V8 Engines 1955-’90
Fits Big Block Chevy V8 Engines 1965-’90
Fits Small Block Chrysler 318/360 1979-’92
Fits Small Block Chrysler 3.9L/5.2L/5.9L Magnum 1992-’03

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$144.99

Includes: 2 short chrome valve covers 2 valve cover gaskets 1 chrome push-on breather 1 chrome dipstick & tube 1 chrome timing chain cover 1 chrome timing tab 1 rubber grommet for valve cover PCV hole 1 breather grommet.

Product Features:

Chrome Plated Steel
Comes W/valve Cover Gaskets

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$165.99

Magnum Pushrods from COMP Cams offer an affordable solution for your .080″ wall chromemoly pushrod needs. Designed to withstand the stresses of a high performance engine, Magnum Pushrods are head-treated for extended durability and have precision formed, reinforced ends. Magnum Pushrods are black-oxide finished with their part number and length laser etched onto the surface for easy identification.

Product Features:

3/8″ Diameter, 7.800″ Length
Magnum Pushrods for Small Block Chevy
One-piece .080″ wall chromemoly steel tubing
Heat-treated for extended durability and guide plate compatibility
Precision formed and reinforced pushrod end

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$562.99

Torque Converter – Tork Master 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: Tork Master 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) The Tork Master is B&M’s lowest cost performance torque converter. The Tork Master is an excellent all-around performance street converter. The best ‘value priced’ street converters available, Tork Master converters come with a new precision pump drive tube and all are pressure tested and fully balanced. The Tork Master torque converter is not recommended for big block or supercharged applications. New allow steel pump drive tube. Needle thrust bearing when factory equipped. New thrust washer between turbine and cover when required.

Product Features:

New Precision Pump Drive Tube
Pressure Tested
Fully Balanced
Needle Thrust Bearing
New Thrust Washer
Washer Between Turbine and Cover

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$223.99

VALVE SEALS, O-RING 11/32″ 1 ST

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$50.99

Edelbrock part #7215 Intake Gaskets for 1958-1986 E-Tec 200 Small-Block Chevy allow for optimum flow and performance. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. The new MP-2N Microp

Product Features:

1.26″x2.24″
E-Tec Port Style
.120″ Thick
Two Piece Configuration
Composite Material

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$43.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:

Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longivity.
Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
Not intended for use in emission controlled vehicles.

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$32.49

Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:

Opens At 195 Degrees
Designed to Resist Large Variations of Coolant Pressure at High RPM
Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
For High Performance Street, Drag Race, and Oval Track
Copper & Brass Construction – Resists Corrosion
High Flow

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$266.99

Product Features:

Non-Rotator
1.500 in. Outside Diameter
1.082 in. Inside Diameter
1.340 in. Coil Blind
Set of 16

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$32.49

This is a high quality bolt set that is made of grade 8 steel and will meet your requirements for a quality bolt set, this set will work on original equipment, high performance street, drag or circle track applications.

Product Features:

These Are Have A Zinc Dichromate Finish
Tall Hex Head Bolt To Prevent Slippage
Extra Thick Parallel Ground Washer
Washers Provides More Accurate And Uniform Torque
Grade 8 Alloy Steel

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$10.99

Spectre’s Intake Bolt and Washer Set is engineered to provide premium quality hardware for Chevrolet 265-400 and Chrysler 273-440 small block engines. Measuring 3/8 inch-16 by 1 inch, these grade 5 bolts feature a corrosion resistant zinc-plated finish and hex heads to ensure easy installation. This kit includes 12 bolts and washers.

Product Features:

Designed for Chevrolet 265-400 and Chrysler 273-440 small block engines
3/8 inch-16 by 1 inch bolts
Kit includes 12 bolts and washers
Manufactured from high quality steel
Bolts feature hex heads

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$135.99

Product Features:

Use W/ Valve Springs Part #5762, 5795
Use W/ Locks Part #9612
1.50 in. Outside Diameter
Steel Material
Black Oxide Finish

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$457.99

Edelbrock #8827 Water Pump small block Chevy cartridge style race ideal to prevent overheating in street rods and street machines, as well as in tow rigs and motorhomes. Using state-of-the-art racing technology, Edelbrock has designed these “super cooling

Product Features:

Standard Impeller Rotation
0.750 in. Pilot Shaft
0.750 in. Ball/Ball Bearing
5.8125 in. Block To Hub Height
Satin Finish

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$226.99

HYDRAULIC – Magnum: Great for street machines. Needs 2200+ stall, headers and gears. Rough idle.

Product Features:

HYDRAULIC – Magnum: Great for street machines. Needs 2200+ stall, headers and gears. Rough idle.
280/280 Advertised Duration, 230/230 Duration @ .050″, .480″/.480″ Lift, 110 Lobe Separation
Valve spring upgrade required

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$83.99

COMP Cams Hi-Tech Roller Race Timing Sets include cast iron camshafts gears, induction hardened billet steel crank sprockets, and pre-stretched, heat-treated double roller chains with heavy-duty large pin design. They feature 3 keyway crank sprockets for

Product Features:

Cast iron camshaft gear and induction hardened billet steel crank sprocket
Pre-stretched, heat-treated true double roller chain with heavy-duty large pin design; chain available separately
Ideal for all street performance and race applications
Features 3 keyway crank sprocket for 4-degree incremental adjustability, 4-degree maximum advance/retard
Dynamically balanced and quality checked for run-out tolerances

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$64.99

Product Features:

Solid Bushing Chain Resists Stretching
For Use with Stock or Edelbrock Camshafts
Stressproof Steel Crank Gears
3 Keyway Setting Points To Ensure Accurate Timing
True Bearing Surface Rolls with the Sprockets
50 State Street Legal

Popular 1966 Chevrolet K20 Pickup Performance Engines Categories

Performance Engine Coolant Thermostats

Performance Intake Manifolds

Performance Water Outlet Gaskets

Performance Engine Dress-Up Kits

Performance Engine Water Pumps

Performance Water Outlets

Performance Engine Cylinder Head Gaskets

Performance Engine Camshaft and Lifter Kits

Performance Engine Harmonic Balancers

Performance Engine Intake Manifold Gaskets

Performance Engine Timing Sets and Components

Performance Engine Valve Springs

Performance Engine Valve Cover Gasket Sets

Performance Engine Rocker Arms

Performance Engine Camshafts

Performance Engine Oil Pan Gaskets

Performance Intake Manifold Hardware

Performance Engine Valve Lifters

Performance Engine Main Bearing Gasket Sets

Performance Engine Push Rod Guideplates

Performance Engine Cylinder Head Installation Kits

Performance Engine Camshaft Thrust Buttons

Performance Engine Timing Cover Gasket Sets

Performance Engine Push Rods

Performance Engine Valve Spring Retainer

Performance Torque Converters

Performance Engine Cylinder Heads

Performance Engine Valve Stem Seal Sets

Most Popular Performance Engine Valve Cover Gasket Sets for 1966 Chevrolet K20 Pickups

Enhance your 1966 Chevrolet K20 Pickup with one of the 4 Performance Engine Valve Cover Gasket Sets we have in stock, starting at just $22.99.

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$31.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:

Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
Not intended for use in emission controlled vehicles.

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$23.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:

Die cut silicone rubber gaskets conform to out-of-flat covers
Great for on-again/off-again situations
Not intended for use in emission controlled vehicles.

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$34.99

Molded rubber gaskets are reusable, great for engines that require valve lash maintenance. These gaskets feature Nitrile material for long life, solid steel carrier for strength and rigidity. Incorporates compression limiters to prevent fastener over-tightening.

Product Features:

Features Nitrile Rubber Material For Long Life
Molded Rubber Gaskets Are Reusable
Ideal For Engine Requiring Valve Lash Maintenance

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$22.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:

Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
Not intended for use in emission controlled vehicles.

Best-Selling 1966 Chevrolet K20 Pickup Performance Intake Manifolds

Upgrade your K20 Pickup with one of our 20 best-selling Performance Intake Manifolds, earning an average 4.67 stars rating across 22 reviews.

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$195.99

Edelbrock part No. 2701 Performer EPS intake manifold is designed for 1986 and earlier 262-400 cubic-inch Chevys. Edelbrock’s Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent throttle response. With that the Edelbrock Performer EPS intake manifold has a runner design that’s “tuned” for peak torque at 3500 rpm on a 350-inch engine making it ideal for power from off-idle to 5500 rpm. Dyno tests showed gains of 5 hp and 9 ft-lbs. of torque over the Edelbrock Performer manifold No. 2101 on a 350 Chevy. From 3000 to 4500 rpm, the power increases averaged 5+ ft-lbs. of torque for more performance where you need it most. PLEASE NOTE: Will not fit under stock Corvette hood!

Product Features:

Maximizes Performance with Edelbrock Carburetors
Runners Tuned to Match Square Bore Carburetor
Maximizes Peak Torque Around 3500 RPM
Excellent Throttle Response and Mid-Range Power
For Idle to 5500 RPM Street-Driven Performance
Dual-Plane Low-Rise Intake w/180 deg. Firing Order
Prod. +5 HP and +9 ft/lbs. of Torque Over PN[2101]
PLEASE NOTE: Will not fit under stock Corvette hood!

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$279.99

Product Features:

For Idle to 5500 RPM Street-Driven Performance
Dual-Plane Low-Rise Intake w/180 Deg Firing Order
Patented Runner Design Ensures Broad Torque Curve
Excellent Throttle Response and Mid-Range Power
50-State Street Legal if Correct Carburetor Used
Accepts Late-Model Choke; Waterneck; and HEI
Accepts A/C And Alternator
Accepts Exhaust Heated Chokes

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$18.29

These grade 5 socket head bolts are zinc plated for protection and appearance. Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds. Includes twelve (12) 3/8-16 x 1 inch bolts & washers.

Product Features:

Grade 5 socket head bolts are zinc plated for protection and appearance
Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds
Washers Included

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$374.99

Based on performer RPM-series with unique air gap. Air gap cooler and denser mixture for more power. Designed for 1500 to 6500 RPM. Dual-plane high-rise intake. For square bore carburetors only. For street and high performance use. Available in cast, polished or endurashine finish.

Product Features:

Based on Performer RPM-Series with Unique Air Gap
Air Gap Cooler and Denser Mixture for More Power
Designed for 1500 to 6500 RPM Street-Driven Power
Dual-Plane High-Rise Intake
For Square Bore Carburetors Only

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$281.99

2500 to 6500 RPM High Performance Street Engines
Single-Plane Low-Rise Intake Good for High RPM
Ideal for Applications with Limited Hood Clearance
For Top-End HP and Adequate Throttle Response
Not for Mileage or Emissions Applications
For Trucks or Vans Use PN[2701] Instead
Not for LT1 or Chevy Bowtie Heads
Not for 1987 and Later Stock Aluminum Heads

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$339.99

Edelbrock part #2703 Performer EPS intake manifold is designed for 1986 and earlier 262-400 cubic-inch Chevys. Edelbrock’s Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent thro

Product Features:

Idle-5500 RPM Range
Dual Plane Type-4150 Style Flange
3.74 in. Front Height, 4.27 in. Center Height, 4.8 in. Rear Height
Satin Finish
Non-EGR W/ Oil Fill Tube

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$18.99

Replacement gasket for top to bottom. See PN(7110) complete. PN(7067) bottom. PN(7032) top. Includes base and top for intake manifold PN(7110).

Product Features:

Replacement Gasket for Top to Bottom
See PN[7110]Complete; PN[7067]Bottom; PN[7032] Top

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$1332.99

For 3500 to 7500 PRM. Use where low-end torque is not a prime factor. Great for engines with slightly modified heads. HEI ignition will not clear manifold. Street machines, street rods, pro-street and marine.

Product Features:

Street Tunnel Ram; Intake Manifold Top

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$819.99

Product Features:

Great For Street Machines/Street Rods/Muscle Cars
Two Piece Design
Individual D-Shaped Runners
Optimized For Broad Power Range/Large Plenum Area
Can Be Used For Blow-Through Superchargers
Fully CNC Machined For A Perfect Fit
No Exhaust Crossover

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$749.99

Polished Version Of Edelbrock PN[7501]
Polish is Hand-Buffed for Brilliant Shine
Based on Performer RPM-Series with Unique Air Gap
Air Gap Cooler and Denser Mixture for More Power
Designed for 1500 to 6500 RPM Street-Driven Power
Produces Incredible Top-End Horsepower
Retains Good Throttle Response and Acceleration
Larger Plenum and Runners Maximizes Other Upgrades

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$663.99

For 3500 to 7500 RPM
Use Where Low-End Torque is Not a Prime Factor
Great For Engines w/Slightly Modified Heads
Top Has Vacuum Outlet for Power Brakes
Will Accept Forward and Sideways Mounted Carbs
Carburetor Center-to-Center Dimensions 8.875 in
HEI Ignition Will Not Clear Manifold
For Street Mach.; Street Rods; Pro-Street; Marine

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$552.99

Edelbrock part #75013 RPM Air-Gap RPM intake manifold is designed for 1955-86 262-400 c.i.d. Chevrolet V8’s. The award-winning RPM Air-Gap intake manifold incorporates the same race-winning technology that’s used on our Victor Series competition intakes.

Product Features:

1500-6500 RPM Range
Dual Plane Type-4150 Style Flange
4.2 in. Front Height, 4.72 in. Center Height, 5.25 in. Rear Height
Black Powder Coated Finish
Non-EGR

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$459.99

Team G Intake Manifold

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$459.99

Product Features:

Designed For Today’s Larger Cubic Inch Big Block
Perfect For Hard Core Drag Racers
Permanent Mold Casting Process
For Lighter And More Consistent Castings
Dyno Proven To Make 17hp More Than Competitors

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$409.99

Product Features:

Designed For Today’s Larger Cubic Inch Big Block
Perfect For Hard Core Drag Racers
Permanent Mold Casting Process
For Lighter And More Consistent Castings
Dyno Proven To Make 17hp More Than Competitors

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$409.99

New Everbright(TM) Manifold coating now available on the most popular Weiand and Holley intakes uses proprietary vacuum metalizing technology combined with a protective clear powdercoat to provide long lasting, virtually maintenance free polished looks.

Product Features:

Low Rise/Dual Plane Design For Maximum Torque
Permanent Mold Casting Process
Lighter/Smoother/Better Looking/Consistent Casting
Dyno Proven To Make 25hp Over Competition
Fully CNC Machined For A Perfect Fit
Square Bore Carburetor Flange
Exhaust Crossover For Improved Street Drivability

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$401.99

Product Features:

For Idle to 5500 RPM Street-Driven Performance
Dual-Plane Low-Rise Intake w/180 Deg Firing Order
Patented Runner Design Ensures Broad Torque Curve
Excellent Throttle Response and Mid-Range Power
50-State Street Legal if Correct Carburetor Used
Accepts Late-Model Choke; Waterneck; and HEI
Accepts A/C And Alternator
Accepts Exhaust Heated Chokes and Accepts EGR

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$379.99

Edelbrock part #27013 Performer EPS intake manifold is designed for 1986 and earlier 262-400 cubic-inch Chevys. Edelbrock’s Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent thr

Product Features:

Idle-5500 RPM Range
Dual Plane Type-4150 Style Flange
3.74 in. Front Height, 4.27 in. Center Height, 4.8 in. Rear Height
Black Powder Coated Finish
Non-EGR

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$286.99

Product Features:

2000-6500 RPM Power Band
Single Plane/Open Plenum Design
No Provision For Divorced Or Hot Air Choke
Square Flange Carburetor Mounting

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$181.88

Manifold

Top-Quality Performance Water Outlet Gaskets for 1966 Chevrolet K20 Pickups

Choose a high-quality OEM or aftermarket Performance Water Outlet Gasket for Chevrolet K20 Pickups and enjoy top-notch performance from $9.99.

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from

$9.99

This is a high quality gasket that will seal that leaking water neck, and provide you with years of service. This gasket works well in all applications.

Product Features:

Made From Cellulose/Nitrile Composition
Provides Excellent Sealing And Durability
These Gaskets Are Die Cut For a Precision Fit
Fits Small Block Chevy V8 Engines 1955-’90
Fits Big Block Chevy V8 Engines 1965-’90
Fits Small Block Chrysler 318/360 1979-’92
Fits Small Block Chrysler 3.9L/5.2L/5.9L Magnum 1992-’03

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$35.49

Edge molded rubber water outlet gasket is reusable, great for engines that require regular disassembling for maintenance. Incorporates solid aluminum carrier for strength and rigidity. Can be used with OE replacement or aftermarket chrome water outlets. Requires no gasket sealer.

Product Features:

Edge Molded Rubber Water Outlet Gasket Is Reusable
Requires No Gasket Sealer
Solid Aluminum Carrier For Strength/rigidity
Reusable – Ideal for Engines That Are Frequently Taken Apart & Reassembled

Top Picks for 1966 Chevrolet K20 Pickup Performance Engine Cylinder Head Gaskets

Invest in one of our 4 durable Performance Engine Cylinder Head Gaskets for your 1966 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

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$42.49

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

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$44.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:

Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
Raises combustion sealing force to roughly three times that of standard head gaskets.
Steel wire rings for the greatest combustion seal strength.
Not intended for use in emission controlled vehicles.

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$51.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

from

$74.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.

Product Features:

Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
Raises combustion sealing force to roughly three times that of standard head gaskets.
Steel wire rings for the greatest combustion seal strength.
Not intended for use in emission controlled vehicles.

Top-Rated Performance Engine Intake Manifold Gaskets for 1966 Chevrolet K20 Pickups

Make a smart move for your 1966 Chevrolet K20 Pickup with products all priced from $47.49 to $60.99.

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$50.99

1.26″x2.24″
E-Tec Port Style
.120″ Thick
Two Piece Configuration
Composite Material

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$47.49

Mr. Gasket Performance Intake Gaskets are manufactured from cellulose/nitrile composition gasket material. They provide excellent sealing and durability. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track.

Product Features:

Manufactured from cellulose/nitrile composition gasket material.
Provides excellent sealing and durability.
Can be trimmed if necessary for modified port applications.
Complete with manifold end seals and distributor gasket.
For OE replacement, high performance street, drag race and oval track use.

from

$60.99

Ultra-Seal intake manifold gaskets are manufactured from cellulose/nitrile composition gasket material. Provides excellent sealing and durability. Incorporates Silicone beading around each intake and water outlet port to provide additional sealing strength on both sides of each gasket. No gasket sealer required. For OE replacement, high performance street, drag race and oval track use. Includes manifold end seals and distributor gasket.

Product Features:

Manufactured from cellulose/nitrile composition gasket material
Provides excellent sealing and durability
Silicone beading on both sides of each gasket
Complete with manifold end seals and distributor gasket
For OE replacement, high performance street, drag race and oval track use
Creates Tight Leak proof Seal

Top-Rated Performance Engine Brands For Your 1966 Chevrolet K20 Pickup

When it comes to finding the perfect Performance Engine for your 1966 Chevrolet K20 Pickup, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Performance Engine brands including Edelbrock, FEL-PRO Performance, and Competition Cams, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $31.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1966 Chevrolet K20 Pickup, providing peace of mind with parts that meet or exceed OEM standards.

Popular Edelbrock 1966 Chevrolet K20 Pickup Performance Engines

If you’re looking for a top-quality Performance Engine for your 1966 Chevrolet K20 Pickup, Advance Auto Parts has exactly what you need with our selection of Edelbrock Performance Engines. We have 3 Edelbrock Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $159.99 and an average cost of $211.99, you’ll find the perfect Performance Engine for your needs and budget. Edelbrock Performance Engines for the 1966 Chevrolet K20 Pickup come highly rated, with over 11 customer reviews and an impressive average rating of 4.4 stars. Choosing a Edelbrock Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $159.99

(1)

Complete Sure Seat Valve Spring Kit for Chevy 262-400 V8 1957-95

“Excellent product.”

from $279.99

(3)

Performer Intake Manifold for 1955-86 Small-Block Chevy, Satin Finish

“Get the matching carb, increased HP by 50 points”

from $195.99

(7)

Performer EPS Intake Manifold for 1955-86 Small-Block Chevy

“Removed a Weiand Stealth manifold and replaced with the Edelbrock, while doing a dyno test – increased HP & Torque on a modified 350, very good for st”

Top-Quality FEL-PRO Performance 1966 Chevrolet K20 Pickup Performance Engines

For those in search of a high-quality Performance Engine for their 1966 Chevrolet K20 Pickup, Advance Auto Parts offers a great selection of FEL-PRO Performance Performance Engines. With 3 FEL-PRO Performance Performance Engines in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Performance Engines start at just $31.99, with an average price of $39.82, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.2 stars, FEL-PRO Performance Performance Engines provide both reliability and excellent performance. Choosing a FEL-PRO Performance Performance Engine from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $31.99

(1)

Engine Valve Cover Gasket Set

“Perfect fit”

from $44.99

(1)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

“Racing application”

from $42.49

(1)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

“Real good products”

FAQs for 1966 Chevrolet K20 Pickup Performance Engines

What are the best-selling Performance Engines for 1966 Chevrolet K20 Pickups?

Out of 170 Performance Engines that fit 1966 Chevrolet K20 Pickups, the following parts are the top sellers:

Performer EPS Intake Manifold for 1955-86 Small-Block Chevy (17340006) – $195.99
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (5189543) – $42.49
Bolt Kit Intake Hex Head (22905656) – $10.99

What’s the price range for 1966 Chevrolet K20 Pickup Performance Engines?

The prices of Performance Engines for the 1966 Chevrolet K20 Pickup range from $7.99 up to $1,332.99 for the most premium parts.

What is the average price of a Performance Engine for a 1966 Chevrolet K20 Pickup?

The average price for Performance Engines for the 1966 Chevrolet K20 Pickup is $258.87. Keep in mind the variety of part types within our Performance Engine category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Performance Engines for other Chevrolet K20 Pickup model years?

Yes, we carry Performance Engines for 13 model years of Chevrolet K20 Pickups between 1960 and 1974. The following model years are the most popular for Performance Engine purchases: 1974, 1973, 1972, 1971, 1970, 1969, 1968, 1967, and 1965.

What are the cheapest Performance Engines for my 1966 Chevrolet K20 Pickup?

The cheapest 1966 Chevrolet K20 Pickup Performance Engines we carry are:

Flat 1 Piece Guide Plate for Chevrolet Small Block with 5/16" Pushrod 7/16" Stud (50288900) – $7.99
High Energy 7.794" Long, 5/16" Diameter Pushrod (50289688) – $7.99
Water Outlet Gasket (6120954) – $9.99
Engine Valve Spring (50286657) – $9.99
Bolt Kit Intake Hex Head (22905656) – $10.99

Does Advance Auto Parts sell Performance Engines for any other 1966 Chevrolet models?

Yes. We stock Performance Engines for 20 other popular 1966 Chevrolet models. Some of the most popular are 1966 Impala Performance Engines, 1966 Malibu Performance Engines, 1966 Corvette Performance Engines, 1966 Caprice Performance Engines, and 1966 El Camino Performance Engines.

What are the top-rated Performance Engines that fit the 1966 Chevrolet K20 Pickup?

Based on 145 reviews by customers, our 1966 Chevrolet K20 Pickup Performance Engines have an average customer rating of 5 stars. These are the highest-rated categories of Performance Engines for the 1966 Chevrolet K20 Pickup and their top-rated products:

Performance Engine Valve Springs
- Complete Sure Seat Valve Spring Kit for Chevy 262-400 V8 1957-95 (17140458) – $159.99
Performance Engine Push Rods
- Pushrod Set for S/B Chevy (17140161) – $199.99

What types of Performance Engines do you sell for my 1966 Chevrolet K20 Pickup?

As of 3/1/26, these are some of the most in-demand types of Performance Engines for a 1966 Chevrolet K20 Pickup:

Can I get help with 1966 Chevrolet K20 Pickup Performance Engine orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Performance Engines and more.

What is your return policy for Chevrolet K20 Pickup Performance Engines?

Advance Auto Parts keeps returns simple. For new Chevrolet K20 Pickup Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1966 Chevrolet K20 Pickup Performance Engines

Mr. Gasket – Valve Cover Gasket Set (Part No.182)

Edelbrock – Replacement Timing Cover Gasket #4243 For SB Chevy, Fits 2-Piece Part #4242 (Part No.4243)

Edelbrock – Performer Small-Block Chevy Cylinder Head 64cc Hydraulic Flat Tappet (Part No.60909)

Mr. Gasket – Ultra Seal: Head Gasket (Part No.5799G)

Competition Cams – XE Computer Control 206/212 Hydraulic Flat Cam/Lifter Kit (Part No.CL12-249-4)

Mr. Gasket – Cylinder Head Dowel Pins (Part No.4375)

Competition Cams – Rocker Arms, Ultra Gold Small Block Chevy 1.6 1 St (Part No.19002-16)

Spectre – Water Neck Chev Late w/Hdr (Part No.42313)

Edelbrock – Torker II Intake Manifold Small-Block Chevy (Part No.5001)

Competition Cams – CAM BUTTON, FIBER TYPE SBC 1 EA (Part No.202)

Competition Cams – High Energy Hydraulic Flat Lifter Chevrolet SBC, BBC, and 194-292/200-262 V6. (Part No.812-1)

Mr. Gasket – Ultra Seal: Oil Pan Gasket (Part No.5884)

Mr. Gasket – Water Outlet Gasket (Part No.740C)

Mr. Gasket – Chrome Dress-Up Kit (Part No.9834)

Competition Cams – PUSHROD SET, SBC 3/8 1 ST (Part No.7513-16)

B & M – Tork Master 3000 (Part No.20402)

Competition Cams – Valve Seals, O-Ring 11/32" 1 St (Part No.501-16)

Edelbrock – Intake Manifold Gasket for 1958-1986 E-Tec 200 Small-Block Chevy (Part No.7215)

FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2918)

Mr. Gasket – High Performance Thermostat (Part No.4365)

Edelbrock – Complete Sure Seat Valve Spring Kit for Chevy 396-402-427-454 V8 (Part No.5895)

Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.946G)

Spectre – Bolt Kit Intake Hex Head (Part No.4652)

Edelbrock – Performer Series Retainer (Qty 16) (Part No.9731)

Edelbrock – Water Pump Cartridge for Small-Block Chevy (Race Style) (Part No.8827)

Competition Cams – Magnum 224/224 Hydraulic Flat Cam (Part No.12-212-2)

Competition Cams – TIMING SET, HIGH TECH SMALL BLOCK CHEVY 1 EA (Part No.3100)

Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7809)

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1603)

FEL-PRO Performance – PERFORMANCE VALVE COVER GASKET SET (Part No.1602)

Mr. Gasket – Valve Cover Gasket Set (Part No.585G)

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1640)

Edelbrock – Performer EPS Intake Manifold for 1955-86 Small-Block Chevy (Part No.2701)

Edelbrock – Performer Intake Manifold for 1955-86 Small-Block Chevy, Satin Finish (Part No.2101)

Mr. Gasket – Intake Manifold Bolts (Part No.955G)

Edelbrock – Performer RPM Small Block Chevy AIR-Gap Intake Manifold (Part No.7501)

Edelbrock – Torker II Intake Manifold Small-Block Chevy (Part No.5001)

Edelbrock – Performer EPS Intake Manifold w/ Oil Fill Tube for 1955-86 Small-Block Chevy (Part No.2703)

Edelbrock – Intake Manifold replacement base to top gasket (Part No.6999)

Edelbrock – Small Block Chevy Street Tunnel Ram Polished (Part No.71101)

Weiand – Stealth Ram; Intake Manifold (Part No.7540)

Edelbrock – Performer RPM AIR-Gap Small Block Chevy Polished Intake Manifold (Part No.75011)

Edelbrock – Street Tunnel Ram Small Block Chevy Intake Manifold (Part No.7110)

Edelbrock – Performer RPM AIR-Gap Small Block Chevy Black Intake Manifold (Part No.75013)

Weiand – Team G Intake Manifold (Part No.7532)

Weiand – Team G; Intake Manifold (Part No.7531)

Weiand – Team G; Intake Manifold (Part No.7530)

Weiand – Action +Plus; Intake Manifold (Part No.8120P)

Edelbrock – Performer Intake Manifold Small-Block Chevy (Part No.3706)

Edelbrock – Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, Black Finish (Part No.27013)

Weiand – X-CELerator; Intake Manifold (Part No.7547-1)

Weiand – Manifold (Part No.8000)

Mr. Gasket – Water Outlet Gasket (Part No.740C)

Mr. Gasket – Premium Quality Thermostat Gasket with Solid Aluminum Carrier (Part No.738G)

FEL-PRO Performance – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.1003)

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1010)

FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1025)

Edelbrock – Intake Manifold Gasket for 1958-1986 E-Tec 200 Small-Block Chevy (Part No.7215)

Mr. Gasket – Intake Gasket (Part No.116)

Mr. Gasket – Gskt Intake (Part No.5812)