1978 Chevrolet K20 Performance Engines

Essential 1978 Chevrolet K20 Performance Engines

Mr. Gasket – Ultra Seal; Cylinder Head Bolts (Part No.941G)

Ultra Seal; Cylinder Head Bolts

from

$64.99
These grade 8 alloy, longer length bolts allow increased torque and clamping.

Product Features:
  • Cylinder head bolts
  • Longer-than-stock
  • High quality grade 8 alloy
  • Increase torque settings
  • Higher clamp loads on gasket
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Mr. Gasket – Water Outlet Gasket (Part No.738G)

Water Outlet Gasket

from

$30.99
Manufactured from a blend of nitrile rubber and fiber for excellent sealing and durability. Precision die cut for application.

Product Features:
  • Edge molded rubber water outlet gasket is reusable
  • Requires no gasket sealer
  • Solid aluminum carrier for strength/rigidity
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Mr. Gasket – Ultra Seal; Valve Cover Gasket Set (Part No.5861)

Ultra Seal; Valve Cover Gasket Set

from

$35.99
Creates a positive seal. Controlled swelling gasket. Thickness will not decrease. Eliminates re-torque of valves. High-tensile strength. Handles ex flange pressure and forms a leak proof seal. Black latex coating.

Product Features:
  • Creates a positive seal by controlling swelling
  • Available in extra thick for rocker arm clearance
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Mr. Gasket – Ultra Seal; Head Gasket (Part No.5801G)

Ultra Seal; Head Gasket

from

$61.99
Excellent resilience. High temperature endurance. Will not creep or cold-flow. Will not get brittle. Resists corrosion. Eliminates gasket sealer. Compatible with high octane and exotic fuel.

Product Features:
  • Excellent resilience
  • High temperature endurance
  • Will not creep/cold-flow
  • Will not get brittle
  • Resists corrosion
  • Eliminates gasket sealer
  • Compatible w/high octane fuel
  • Compatible with exotic fuel
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Edelbrock – Performer-Plus Camshaft Kit for 1957-86 Small-Block Chevrolet (Part No.2103)

Performer-Plus Camshaft Kit for 1957-86 Small-Block Chevrolet

from

$334.99


Product Features:
  • Designed for Optimum Torque and Acceleration
  • Maximum Performance From Idle through Mid-Range
  • Matched to Edelbrock Performer Intakes
  • Includes Hydraulic Lifters and Assembly Lube
  • Major Improvement in Throttle Response and Torque
  • Use For Daily Drivers/Trucks/Vans/RVs/4x4s
  • Take The Guesswork Out Of Camshaft Selection
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Competition Cams – Magnum 7.800" Long, .080" Wall, 3/8" Diameter Pushrod Set (Part No.7513-16)

Magnum 7.800" Long, .080" Wall, 3/8" Diameter Pushrod Set

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$157.99
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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Spectre – In Gasket Comp Sb Chev S (Part No.400)

In Gasket Comp Sb Chev S

from

$34.49
The K&N PreCharger® filter wrap is specially designed to extend the service interval of your K&N Filtercharger filter when used in very dusty conditions. They are made from durable polyester material containing a uniform weave. The PreCharger will stop small dirt particles with minimal restriction to the airflow of the filter.

Product Features:
  • Cellulose nitrile composition
  • Silicone beading on both sides
  • Create a leak proof seal
  • Double beaded, includes EGR restrictor plate
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Mr. Gasket – Intake Manifold Bolts (Part No.957G)

Intake Manifold Bolts

from

$21.99
Choose from grade 5 hex or socket head intake bolts or grade 8 bolts with twelve point smaller-than-standard head and flange, ideal for where space is minimal. Bolts and washers are bright zinc plated for protection and appearance.

Product Features:
  • Grade 8 material
  • Extra thick flat washers
  • Ideal for minimal space
  • 12-pt head and flange
  • Zinc plated for protection
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Mr. Gasket – Timing Cover Gasket Set (Part No.90)

Timing Cover Gasket Set

from

$21.99
Made from high grade cork granules and a neoprene binder, these gaskets will not shrink or stick and provide excellent sealing and durability. These gaskets can be reused.

Product Features:
  • Will not shrink or stick
  • Provides excellent sealing and durability
  • Reusable
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Mr. Gasket – Special Cam Bolt (Part No.944G)

Special Cam Bolt

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$12.99
Grade 8, single bolt. Black plated finish. The washers are designed to secure the Mr. Gasket cam button pn1180, pn1181, and pn1183 or can be used as stock replacements.

Product Features:
  • Specialty and drive train fastener
  • Special cam bolts
  • Black plated finish
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B & M – Tork Master 2000 (Part No.20400)

Tork Master 2000

from

$266.99
Torque Converter – Tork Master 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: Tork Master 2000 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

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
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Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7810)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$74.99


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
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Mr. Gasket – Ultra Seal; Sure-Lock Rocker Arm Nuts (Part No.920G)

Ultra Seal; Sure-Lock Rocker Arm Nuts

from

$59.99
Designed to keep the rocker arms positively locked for precise and critical valve train adjustments. Manufactured from quality grade steel, then heat-treated for extra strength and plated with a durable finish. Kits include 16 rocker arm nuts with socket head set screws and one hex key wrench.

Product Features:
  • They are zinc dichromate plated steel
  • They have black oxide coated set screws
  • Keeps rocker arms positively locked
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FEL-PRO Performance – PERFORMANCE REAR MAIN SEAL SET (Part No.2904)

PERFORMANCE REAR MAIN SEAL SET

from

$16.29
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Edelbrock – Performer; Cylinder Head (Part No.60469)

Performer; Cylinder Head

from

$569.99


Product Features:
  • Out-of-the-Box Bolt-On Performance
  • Designed For Street/High Performance Big Blocks
  • Specially Designed Oval Ports
  • Increased Flow And Velocity
  • Highly Efficient Semi-Open Style Chamber
  • High Velocity Short Intake Ports
  • Fit GM Mark IV; Gen V; and Gen VI Blocks
  • Bare Head Only; Use PN[60479] for Complete
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Edelbrock – C-26 Small Block Chevy Dual-Quad Intake Manifold (Part No.5425)

C-26 Small Block Chevy Dual-Quad Intake Manifold

from

$504.99
Product Features:
  • Designed for 1500 to 5500 RPM Performance
  • Low Profile for Hood Clearance on Most Vehicles
  • Air-Conditioning/Front Oil Tube Bosses Included
  • Stock Alternator Brackets Do Not Fit
  • Use Edelbrock Fuel Line Kit PN[8088] w/Our Carbs
  • Carburetor Center-to-Center Dimensions = 6-7/16 in
  • Use Edelbrock Linkage Kit PN[7094] w/Our Carbs
  • Best Matched with Edelbrock 500 cfm Carburetors
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Mr. Gasket – Ultra Seal; Harmonic Balancer Bolt/Washer Kit (Part No.946G)

Ultra Seal; Harmonic Balancer Bolt/Washer Kit

from

$25.99
The grade 8 bolts feature high hex head to prevent socket slippage. The thick parallel ground washer allows accurate uniform torque. Black finished, complete with split lock washer to prevent loosening.

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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Mr. Gasket – Throttle Cable Bracket (Part No.9885)

Throttle Cable Bracket

from

$14.99
The throttle cable bracket is designed for small block Chevy engines thru 1979 and is to be used in conjunction with the kick down cable Pn9886 for the Turbo 350 transmission. The throttle cable bracket mounts on the intake manifold and will hold cables with round or square mounts. It has a 2 inch adjustable range and is finished off in a beautiful chrome plating.

Product Features:
  • 2 in. adjustable range
  • Includes necessary hardware
  • Chrome plated
  • Individually packaged
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Spectre – Engine Dress Steel Up Kit (Part No.54083)

Engine Dress Steel Up Kit

from

$119.99
Spectre’s Engine Dress-Up Kit was designed for the ’58-’86 Chevrolet small block 265-400. This kit includes: stock height baffled covers, chrome T-bar hold downs, chrome PCV breather, chrome breather, chrome oil filler cap, grommets, and a stainless steel braided PCV hose with red/blue Magna-Clamps. Designed for use with OE specifications for fit and function, Spectre products are engineered to perform as good as they look.

Product Features:
  • For Chevrolet small block 265 and 400
  • Kit includes: stock height baffled covers, chrome T-bar hold downs, chrome PCV breather, chrome breather, chrome oil filler cap, grommets, and a stain
  • Designed for use with OE specifications for fit and function
  • Made from high quality material
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Spectre – Engine Dress Steel Up Kit (Part No.5404)

Engine Dress Steel Up Kit

from

$139.99
Spectre’s chrome engine kits are designed to give the top of your engine an amazing look in one neat package. This chrome engine kit includes chrome valve covers, chrome valve cover bolts, a chrome dip stick and a chrome plated timing cover.

Product Features:
  • Chrome valve covers
  • Chrome valve cover bolts
  • Chrome dip stick and tube
  • Chrome timing cover
  • Dresses up the engine
  • Triple plated chrome
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Mr. Gasket – Water Neck (Part No.9141G)

Water Neck

from

$56.99
This chrome plated water neck is precision die cast for a great fit. It features an O-ring style seal to prevent water leaks. These water necks are first polished to a high luster then chrome plated for lasting beauty.

Product Features:
  • Chrome plated aluminum
  • O-ring style to prevent leaks
  • Swivels for hard to fit applications
  • Comes with allen head bolts
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Weiand – Supercharger Remote Thermostat Housing (Part No.7134P)

Supercharger Remote Thermostat Housing

from

$164.99


Product Features:
  • Remote Thermostat Housing
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1884 R)

PERFORMANCE OIL PAN GASKET SET

from

$64.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Rigid core, molded silicone rubber gaskets utilize the one-piece molded rubber technology for a perfect fit, ease of installation and include compression limiters to prevent overtightening.
  • Not intended for use in emission controlled vehicles.
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FEL-PRO Performance – Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set (Part No.1803)

Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set

from

$26.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
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Edelbrock – Water Pump for Small-Block Chevy in Satin Finish (Long) (Part No.8811)

Water Pump for Small-Block Chevy in Satin Finish (Long)

from

$307.99
Maximum cooling for street and racing engines. Internal passages are balanced for maximum flow. Impeller is larger than others for maximum pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of block. Only flows in one direction for optimum efficiency. In the early days of the automotive performance industry, you either ran what was available, or you fabricated something you thought met your needs. Such needs were the building blocks of this industry, and it was through the efforts of many that we have the automotive aftermarket, but it was through the work of one name in particular to which many in the industry owe a great debt, and that name is Edelbrock.

Product Features:
  • Maximum Cooling for Street and Racing Engines
  • Internal Passages Are Balanced for Maximum Flow
  • Impeller is Larger than Others For Max Pressure
  • Impeller Vanes Dramatically Increase Flow Rates
  • Equal Distribution to Both Sides of Block
  • Only Flows in One-Direction for Optimum Efficiency
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Weiand – Action Plus Water Pumps (Part No.9240P)

Action Plus Water Pumps

from

$215.99
Weiand’s light weight, performance aluminum mechanical Action-Plus water pumps give a weight saving of 30 percent to 50 percent over stock cast-iron pumps. These pumps feature a premium quality bearing and seal that have twice the load capacity of stock pumps. Weiand’s exclusive housing counter bore keeps the bearing form walking out. All pumps are designed with the necessary bracket bosses and water connections to fit popular street applications.

Product Features:
  • Twisted Snout Water Pump Design For Updated Style
  • Street Performance
  • Heavy Duty Shaft w/5/8 in. Pilot
  • Six-Blade Stamped Steel
  • Anti-Cavitation Impeller
  • 100 Percent Leak Tested
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Edelbrock – Sure Seat; Valve Spring (Part No.5902)

Sure Seat; Valve Spring

from

$51.99
Springs made of highest quality spring wire. Springs precision wound to close tolerances. Non-Rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:
  • For Use With Cast Iron Heads
  • Springs Made of Highest Quality Spring Wire
  • Springs Precision Wound To Close Tolerances
  • Use with Original Equipment Heads Only
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Edelbrock – Sure Seat Valve Springs for Chevy 262-400 V8 1957-95 (Part No.5802)

Sure Seat Valve Springs for Chevy 262-400 V8 1957-95

from

$60.99
Springs made of highest quality spring wire. Springs precision wound to close tolerances. Non-Rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:
  • For Use With Cast Iron Heads
  • Springs Made of Highest Quality Spring Wire
  • Springs Precision Wound To Close Tolerances
  • Use with Original Equipment Heads Only
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1978 Chevrolet K20 Performance Engines

Maybe you’re in the middle of a full rebuild of that 1978 Chevrolet K20. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 125 different Performance Engines in our inventory ranging from $12.99 to $1,268.99. That means you can find the exact parts or products you need to keep that 1978 Chevrolet K20 running smoothly.

Performance Engines are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Chevrolet K20. Mr. Gasket, FEL-PRO Performance, and Edelbrock are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Performance Engines for your 1978 Chevrolet K20, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 252 reviews in this category, some of the top rated parts include Performer Intake Manifold for 1955-86 Small-Block Chevy, Satin Finish with 5.0 stars and Action Plus Water Pumps with 3.7 stars.

So if you’re in the market for aftermarket Performance Engines to keep your 1978 Chevrolet K20 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Performance Engines Brands To Make Your 1978 Chevrolet K20 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Chevrolet K20 demands trusted brand parts and products to keep it running. Many trusted brands of Performance Engines make up Advance Auto Parts’ inventory, and all are ready to help make your K20 the best it can be. Be sure to browse some of our top Performance Engines brands and parts.

Popular FEL-PRO Performance Performance Engines

We carry FEL-PRO Performance parts in our stock across Performance Engine Cylinder Head Gaskets categories, plus more. For a 1978 Chevrolet K20, our most popular FEL-PRO Performance Performance Engines include:
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
from $62.99
(1)
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
Performance Engine Cylinder Head Gaskets
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
from $52.99
(1)
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
Performance Engine Cylinder Head Gaskets
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
from $39.49
(1)
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
Performance Engine Cylinder Head Gaskets

Top 1978 Chevrolet K20 Performance Engines from Mr. Gasket

Mr. Gasket products are another trusted brand when it comes to Performance Engines for your 1978 Chevrolet K20. Popular Mr. Gasket parts include:
Ultra Seal; Valve Cover Gasket Set
from $25.99
(7)
Ultra Seal; Valve Cover Gasket Set
Performance Engine Valve Cover Gasket Sets
Water Outlet Gasket
from $30.99
(6)
Water Outlet Gasket
Performance Water Outlet Gaskets
Intake Manifold Bolts
from $29.99
(5)
Intake Manifold Bolts
Performance Intake Manifolds

FAQs for 1978 Chevrolet K20 Performance Engines

What are the most purchased Performance Engines for the 1978 Chevrolet K20?

Out of 125 Performance Engines for the 1978 Chevrolet K20, the most popular in our inventory are:
Lower Intake Manifold Gasket Set: 9 Piece Set
from $27.49
This product is not rated
Lower Intake Manifold Gasket Set: 9 Piece Set
Performance Engine Intake Manifold Gaskets
Ultra Seal; Valve Cover Gasket Set
from $35.99
(2)
Ultra Seal; Valve Cover Gasket Set
Performance Engine Valve Cover Gasket Sets
Engine Crankshaft Seal Kit
from $21.49
(2)
Engine Crankshaft Seal Kit
Performance Engine Main Bearing Gasket Sets

What are the top-rated 1978 Chevrolet K20 Performance Engines?

Top-rated Performance Engines for your 1978 Chevrolet K20 based on customer reviews/ratings are:
Performer Intake Manifold for 1955-86 Small-Block Chevy, Satin Finish
from $257.99
(3)
Performer Intake Manifold for 1955-86 Small-Block Chevy, Satin Finish
“Get the matching carb, increased HP by 50 points”
Action Plus Water Pumps
from $215.99
(3)
Action Plus Water Pumps
“I bought this item for my 1979 Camaro SBC for Street/Strip application. Water pump weighs 4 LBS less than factory, comes with its own cork gaskets. N”
Sure Seat Valve Springs for Chevy 262-400 V8 1957-95
from $60.99
(2)
Sure Seat Valve Springs for Chevy 262-400 V8 1957-95
“Used with the smallest Comp Thumpr Cam, good to 5500 RPM, Cost is great, No valve float. I would use again with a samll to medium cam and 416 heads.”