1978 Chevrolet K20 Performance and Racing Products

Essential 1978 Chevrolet K20 Performance and Racing Products

Mr. Gasket – Ultra Seal: Intake Gasket (Part No.5827)

Ultra Seal: Intake Gasket

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$38.59
Mr. Gasket Ultra-Seal Intake Manifold Gasketss 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 original equipment 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
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Edelbrock – Intake Manifold replacement top gasket (Part No.6989)

Intake Manifold replacement top gasket

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$19.99
Replacement gasket for Edelbrock tunnel ram intake. Use with intake PN(7115). Base PN(7190). Top PN(7191). One gasket only.

Product Features:
  • Replacement Gasket for Edelbrock Tunnel Ram Intake
  • Use w/Intake PN[7115]/Base PN[7190]/Top PN[7191]
  • One Gasket Only
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Mr. Gasket – Alternator Bracket (Part No.5171)

Alternator Bracket

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$37.69
These brackets are made from heavy gauge steel, polished to a high luster, then chrome plated for lasting beauty, Similar in design to OEM units, these brackets can be adapted to other engines.

Product Features:
  • Replaced GM # 6262956
  • Polished To High Luster
  • Chrome Plated For Lasting Beauty
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B & M – Shift Improver Kit, 82-93 TH700R4 (Part No.70239)

Shift Improver Kit, 82-93 TH700R4

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$73.99
The B&M Shift Improver Kit the easiest way to get the performance you’ve always wanted out of your automatic transmission, two modes to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit.

Product Features:
  • Provides Crisp Shifts
  • On Any Stock Automatic Transmission
  • Eliminates Soft/Sluggish Shift
  • Eliminates Shift Overlap
  • Eliminate Clutch and Band Wear
  • Improves Transmission Life
  • Transmission Removal Not Required
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Rancho – Dual Steering Damper Kit (Part No.RS98501)

Dual Steering Damper Kit

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$251.99
Designed to reduce wheel shimmy and end vibration caused by larger tires, the Rancho® steering stabilizer kit cuts down on steering arm fatigue to improve handling. The kit includes two Rancho RS5000® steering stabilizers and installation brackets.

Product Features:
  • COMPATIBILITY — Designed for a variety of trucks and SUVs from Chevrolet®, GMC®, Ford®, Dodge®, Jeep® and Plymouth®
  • IMPROVED HANDLING AND PERFORMANCE — Reduces wheel shimmy, bump steer and vibration which helps minimize on- or off-road driver fatigue
  • ACCOMMODATES LARGER TIRES — Engineered for vehicles with oversized wheels and tires.
  • ENGINEERED TO LAST — Features protective boot to shield shock rod and oil seal and 0.25-in. high-strength, low-alloy steel bracket construction for long life
  • EASY TO INSTALL — Includes one Rancho RS5000® steering stabilizer and brackets that bolt directly to factory steering linkage with included mounting hardware, no modifications needed
  • RESISTS CORROSION — Durable black powder-coated and/or zinc-plated brackets resist rust and corrosion
  • PRECISION DESIGN — Brackets are CNC cut and bent to exact specifications for a perfect fit
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MSD Ignition – Rotor; Extreme Output; GM HEI (Part No.84101)

Rotor; Extreme Output; GM HEI

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$30.19
With the introduction of our 20 Amp extreme HEI module, we needed an HEI cap and rotor that could withstand the high output. The answer was to mold our own HEI cap, rotor and coil cover. The cap and rotor will fit our HEI Pro-Billet distributor, PN 8365, plus will work on stock applications.

Product Features:
  • Extreme output rotor
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Motive Gear – Performance Differential Ring and Pinion (Part No.G885456)

Performance Differential Ring and Pinion

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$343.99


Product Features:
  • GM 10BL 8.5 R/P 4.56 FRT/REAR MGP
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Hays – Power Train (Part No.85-113)

Power Train

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$641.99
Power Train

Mr. Gasket – Chrome Plated Steel Crankshaft Pulley (Part No.4961G)

Chrome Plated Steel Crankshaft Pulley

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$81.99
Replace your stock black engine pulleys with a pair of chrome plated steel pulleys from Mr. Gasket. The pulleys are highly polished then chrome plated for lasting beauty. Designed for big block Chevy 396,402,427,454 engines with 5/8 inch water pump shaft.

Product Features:
  • Highly Polished For Lasting Beauty
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B & M – Automatic Shifter, Pro Stick Shift with CVR (Part No.80706)

Automatic Shifter, Pro Stick Shift with CVR

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$429.99
The Original Pro Stick shifter delivers rock-solid performance, mixed with clean design cues and compact size. This is why you see so many Pro Stick shifters at the race track. We start off with a heavy duty steel base with a hardened steel gate plate, a reverse lockout feature that only requires one hand to operate, and complies with NHRA/IHRA safety rules. Then add the billet aluminum shift handle with classic white shift knob, lightweight aluminum trigger and finish it off with a brushed aluminum cover with quick release pins, and you end up with one good looking bullet-proof race shifter. Optional Forward and Reverse shift pattern gate plates are available for most popular 2, 3 and 4-speed transmissions. This model Pro Stick comes out of the box ready for action for most popular 3-speed transmissions, includes a 5-foot Super Duty shift cable, brackets, levers, hardware and detailed instructions for an easy installation. Be sure to check out all the optional Magnum Grip side grip plates including the one and two button 12-volt momentary switches or any of the other accessories we offer for the Pro Stick in the Shifter Accessories section. Notes: AOD requires installation kit #40496, AODE & 4R70W requires installation kit #40504, E40D & 4R100 requires installation kit #40505, 2004R & 700R4 require gate plate #80712, 4L60E – 4L85E equipped with PRNDL switch requires cable bracket kit #70499 and gate plate #80712. Overall Dimensions – 8.25L x 2.92W x 9.25H

Product Features:
  • All One-Handed
  • Reverse Lockout Meets NHRA And IHRA Requirements
  • Mount Directly To Floor/Chassis/Or w/Quick Release
  • Ultimate For Powerglide Applications
  • Lightweight Brushed Alum. Cover
  • Cover Removed Quickly and Easily
  • Includes 5 Ft. Super Duty Race Cable
  • Quick Change Plate Design
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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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Mr. Gasket – Rear Main Seal Gasket (Part No.1960)

Rear Main Seal Gasket

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$23.99
This Mr. Gasket Rear Main Seal is made from silicone to allow the seal to handle extreme engine oil temperature. It also provides for an upgrade for that leaky rope style seal and is a direct replacement for a rubber main seal. It’s also injection molded for a precise fit.

Product Features:
  • Repairs That Leaky Rear Main Sail
  • Silicone Rubber to Withstand Extreme Engine Oil Temperatures
  • Upgrade for Rope Seal Equipped Cars or Direct Replacement for Rubber Main Seal
  • Injection Molded for Precise Fit
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Competition Cams – CAM & LIFTER KIT, SBC 260H HIGH ENERGY HYD 1 KT (Part No.CL12-206-2)

CAM & LIFTER KIT, SBC 260H HIGH ENERGY HYD 1 KT

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$323.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications. Offering

Product Features:
  • Good blend of efficiency and performance.
  • Perfect choice for performance street rebuilds.
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
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Mr. Gasket – Chrome Oil Fill Cap – Push-On Style W/Tube For Pvc Hookup – Fitting For Easy Pcv Hose Hook Up (Part No.2063)

Chrome Oil Fill Cap - Push-On Style W/Tube For Pvc Hookup - Fitting For Easy Pcv Hose Hook Up

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$12.99
This chrome-plated steel push-on breather/oil filler cap fits over your oil filler tube. It has a side fitting for easy PCV hose (positive crankcase ventilation) hook up. Perfect compliment to Mr. Gasket matching chrome oil filler tube, #2066

Product Features:
  • Chrome plated steel
  • Fits stock factory oil filler tubes
  • Features side PCV hook up tube
  • Includes Rubber Grommet
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Mr. Gasket – Thermocap Radiator Cap (Part No.2470R)

Thermocap Radiator Cap

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$48.09
The fastest, easiest way to know exactly when it’s safe to open your radiator cap. ThermoCap, with its built-in calibrated thermometer, indicates the coolant temperature.

Product Features:
  • Indicates coolant temperature
  • Helps prevent coolant injuries
  • Fahrenheit and centigrade readings
  • Color-coded temperature ranges
  • Integrated coolant reclamation valve
  • Improves under-hood appearance
  • Chromed crown with a colored trim ring
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Spectre – Aluminum Oil Pan SBC 55-79 (Part No.4987)

Aluminum Oil Pan SBC 55-79

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$337.99
This Spectre polished aluminum oil pan is designed to fit 1955-’79 small block Chevrolet 283-350 engines with a driver’s side dipstick (except 1962-’67 Chevrolet II and Corvette with stock exhaust). This oil pan is made from a heavy die-cast polished aluminum featuring a finned diamond design. The stock oil capacity is maintained at 4 quarts and uses a 1975 and later gasket with thick front seal. The required mounting fasteners are included.

Product Features:
  • Stock 4 quart capacity
  • Polished die-cast aluminum
  • Finned diamond design finish
  • Includes mounting fasteners
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Mr. Gasket – High Performance Thermostat (Part No.4365)

High Performance Thermostat

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$27.49
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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Energy Suspension – Shackle Eye Set (Part No.3.2111G)

Shackle Eye Set

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$20.99
Product Features:
  • Made from HYPER-Flex Polyurethane
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1886)

PERFORMANCE OIL PAN GASKET SET

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$63.99
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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Competition Cams – Engine Valve Spring Kit (Part No.911-16)

Engine Valve Spring Kit

from

$759.99
Single Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right metal stock and creating the best design is not done by chance. COMP Cams has developed a process that creates the highest quality valve spring available. The result is a product that meets and exceeds the expectations of today’s engine builders and racers.O.D. Dia. 1 I.D. Dia. 2 Damper Seat Load Open Load Coil Bind Rate (Lbs./In.) Titanium Retainer Steel Retainer Cup Seat Shims 1.524 1.110 Y 122 @ 1.900 309 @ 1.400 1.200 373 721, 732 1732, 741 4779* 4757

Product Features:
  • Seat pressure: 122 lbs. @ 1.900″, Open Pressure: 309 lbs. @ 1.400″
  • O.D.: 1.524″, I.D.: 1.110″
  • Single valve springs with damper
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Edelbrock – Performer Small-Block Chevy Cylinder Head 64cc Hydraulic Flat Tappet (Part No.60909)

Performer Small-Block Chevy Cylinder Head 64cc Hydraulic Flat Tappet

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$1009.99
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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Energy Suspension – Sway Bar Bushing Set (Part No.3.5179G)

Sway Bar Bushing Set

from

$40.99
Energy Suspension performance polyurethane sway bar bushings and end links offer the greatest improvement in performance among all the products Energy offers. They make a vehicle’s sway bar system much more effective like adding a larger, higher performance sway bar! Economy, increased efficiency, and easy installation are just some of the reasons these products are so popular. Made of Hyper-Flex polyurethane that lasts much longer than O.E.M. rubber bushings.

Product Features:
  • Allows Sway Bar System to Work At 100% Efficiency
  • Zerk Type Fittings
  • Allows for Periodic Greasing
  • Lasts Much Longer Than OEM Rubber Bushings
  • Handling Characteristics Improve Dramatically
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Flowtech – Ceramic Header (Part No.31506FLT)

Ceramic Header

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$499.99


Product Features:
  • Fuel Economy From The Engine
  • Leak Test For Max Performance
  • Ceramic Headers
  • Rust And Corrosion Resistance
  • Mandrel-Formed Power Plenum
  • Leakproof O-Ringed Port Seals
  • Include All Mounting Hardware
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Mr. Gasket – Alternator (Part No.5122)

Alternator

from

$288.99
These Mr. Gasket chrome alternators are remanufactured to exceed original equipment specifications for maximum dependability. This 10SI style 80 amp alternator can be used as an original equipment replacement OR as a 1-wire alternator.

Product Features:
  • Fits Most 1973-1983 GM Vehicles
  • Bolt Spacing 6.6″
  • 80 Amps
  • GM 10SI Style Alternator
  • Chrome Plated Finish
  • 1-Groove V-belt pulley – included
  • Internal Regulator
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MSD Ignition – Distributor; Chevy V8; Billet with Vacuum Advance (Part No.8361)

Distributor; Chevy V8; Billet with Vacuum Advance

from

$399.99
The street Pro-Billet is a popular route for people looking for proven race performance for their street cars. A vacuum advance canister provides economy and the proven MSD mechanical advance gives you the opportunity to dial-in a timing curve to fit your needs. Inside, an oversized steel shaft is QPQ coated for low friction and rides in a sealed ball bearing at the top of the distributor with an extra-long sintered bushing at the bottom. This combination keeps the shaft steady creating accurate spark delivery at any RPM. The street Pro-Billet relies on a magnetic pick-up to trigger the MSD Ignition control which delivers the powerful sparks to the coil. This pick-up is extremely accurate and never needs adjusting.

Product Features:
  • Designed for street/performance use w/mechanical or vacuum adv.
  • Must Be Used w/An MSD Ignition Control
  • Supplied w/An HEI Style Distributor Cap And Rotor
  • Accepts Cap-A-Dapts
  • O-ring seals can be installed for oil press. control (Mods only)
  • Special oil tract improves lubrication to the dist./cam gear
  • Nylon pads ensure smooth operation of the advance weights
  • Advance weight pins are staked and tig welded to the plate
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Russell – Street Legal, K-10/K-20 P/U 4WD (Part No.672420)

Street Legal, K-10/K-20 P/U 4WD

from

$63.99
Russell’s wide variety of lightweight aluminum adapter fittings allow for the connection of Russell hose ends to almost any component. Adapters are offered in standard thread, metric thread and pipe thread to fit most popular oil pumps, fuel pumps, fuel f
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Mallory – Distributor Wiring Harness (Part No.29349)

Distributor Wiring Harness

from

$30.49


Product Features:
  • Service Part
  • Makes Connections Quick And Easy
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Edelbrock – Water Pump Cartridge for Small-Block Chevy (Race Style) (Part No.8827)

Water Pump Cartridge for Small-Block Chevy (Race Style)

from

$435.99
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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Popular 1978 Chevrolet K20 Performance and Racing Products Categories

1978 Chevrolet K20 Performance and Racing Products

You count on your 1978 Chevrolet K20 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Performance and Racing Products. With 339 Performance and Racing Products ranging in price from $7.99 to $1,009.99, you’re sure to find everything you need for your 1978 Chevrolet K20.

Brands matter. If you want to shop a specific Performance and Racing Products brand, we stock 27 different brands like Mr. Gasket, Edelbrock, and K&N. 1978 Chevrolet K20 Performance and Racing Products start as low as $7.99!

One of the best ways to find top quality OEM or aftermarket Performance and Racing Products is by asking professionals. Short of that, you can shop with confidence thanks to our 2,080 extensive product reviews on 1978 Chevrolet K20 Performance and Racing Products. Some of the top-rated Performance and Racing Products products we carry are Distributor; Street Fire; Chevrolet V8 GM HEI with 4-Pin Module with 4.7 stars and Performance Exhaust Gasket Set for Enhanced Sealing and Durability with 4.6 stars.

Did we mention you can order your Performance and Racing Products from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Performance and Racing Products inventory for your 1978 Chevrolet K20 below to get started!

Top-Rated Performance and Racing Products Brands For Your 1978 Chevrolet K20

Trusted Performance and Racing Products OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1978 Chevrolet K20 running right for years to come. In our inventory you’ll find brands like Mr. Gasket, Edelbrock, K&N, and even more.

Popular Flowtech Performance and Racing Products

You’ll find popular Flowtech brand products across Performance Exhaust Products. All are waiting to get your 1978 Chevrolet K20 back on the road. Some of the top-rated Flowtech products in these categories are:
Real-Seal; Header Gasket
from $85.39
(1)
Real-Seal; Header Gasket
Performance Exhaust Manifold Gaskets

Top-Rated Edelbrock Performance and Racing Products


If Edelbrock are what you’re looking for, our inventory holds plenty. We stock Edelbrock brand Performance and Racing Products for your 1978 Chevrolet K20, and some of our most reviewed Edelbrock parts include:
Performer EPS Intake Manifold for 1955-86 Small-Block Chevy
from $195.99
(7)
Performer EPS Intake Manifold for 1955-86 Small-Block Chevy
Performance Intake Manifolds

FAQs for 1978 Chevrolet K20 Performance and Racing Products

What are the most purchased Performance and Racing Products for the 1978 Chevrolet K20?

Out of 339 Performance and Racing Products for the 1978 Chevrolet K20, the most popular in our inventory are:
High Performance 180 Degree Thermostat for Increased Flow
from $26.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats
Ultra-Seal Intake Manifold Gasket with Silicone Beading
from $31.99
(18)
Ultra-Seal Intake Manifold Gasket with Silicone Beading
Performance Engine Intake Manifold Gaskets

What are the top-rated 1978 Chevrolet K20 Performance and Racing Products?

Top-rated Performance and Racing Products for your 1978 Chevrolet K20 based on customer reviews/ratings are:
Distributor; Street Fire; Chevrolet V8 GM HEI with 4-Pin Module
from $259.99
(20)
Distributor; Street Fire; Chevrolet V8 GM HEI with 4-Pin Module
“Best Distributor I have ever bought, has made a big difference on my small block Chevy. Stronger spark, more powerful combination, which allows no mor”
Performance Exhaust Gasket Set for Enhanced Sealing and Durability
from $20.99
(14)
Performance Exhaust Gasket Set for Enhanced Sealing and Durability
“Put new headers on motor”
40 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound
from $99.99
(13)
40 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound
“Can’t beat a 40 series 2-chamber for true muscle car sound..”