1978 GMC G25 Performance and Racing Products

Essential 1978 GMC G25 Performance and Racing Products

Holley – High Output Mechanical Fuel Pump – 110 GPH Free Flow (Part No.12-327-11)

High Output Mechanical Fuel Pump - 110 GPH Free Flow

from

$144.99
Mechanical fuel pump made from heavy duty construction for continuous high RPM operation. Fuel body casting can be rotated to accommodate various plumbing situations. Fuel pressure regulator is not required.

Product Features:
  • High Output Fuel Flow
  • Flows 110 gph Free Flow
  • Shutoff Pressure Pre-Set From 6.5 To 8 PSI
  • Fuel Pressure Regulator Is Not Required
  • Heavy Duty Construction For Continuous High rpm Operation
  • Fuel Body Casting Can Be Rotated For Plumbing Situations
  • Inlet And Outlet Tapped For 3/8 in. NPT
  • Inlet/Outlet Tapped For 3/8 in. NPT
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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

from

$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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Accel – Super Stock Replacement Coil for Improved Performance, Starting, and Power (Part No.8140)

Super Stock Replacement Coil for Improved Performance, Starting, and Power

from

$42.49
Excellent high performance replacement for import and domestic vehicles with canister type oil filled coil. Re-engineered windings for even higher energy output resulting in quicker starting improved throttle response and more high RPM power. Designed to work with Points style and Breakerless electronic ignition systems. Heavy duty black Alkyd tower provides in flashover in protection to primary terminals. ACCEL Yellow can. 42000 volts effective up to 6500 RPM 1.4 ohms on the primary

Product Features:
  • 42000 Volts
  • Effective To 6500 RPM
  • Quicker Starting
  • Improved Throttle Response
  • Higher RPM Power
  • Can Finished In Yellow
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Mr. Gasket – Timing Cover Gasket Set (Part No.90)

Timing Cover Gasket Set

from

$21.99
Mr. Gasket Performance Timing 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 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.

Product Features:
  • Manufactured from high-density cork/rubber blend gasket material
  • Provides excellent sealing and durability
  • For OE replacement, high performance street, drag race and oval track use
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B & M – Automatic Shifter, Megashifter (Part No.80690)

Automatic Shifter, Megashifter

from

$479.99
The B&M Megashifter has it all, form, function and classic style. This all adds up to bring you a quality shifter that’s been one of the most popular automatic shifters of all time. First off let’s talk function. The Megashifters positive ratcheting funct

Product Features:
  • Universal Floor Mount
  • Base Can Be Trimmed-Custom Fit
  • Cable Operated
  • Quick Installation
  • Accurate Shifting
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MSD Ignition – Rotor; Extreme Output; GM HEI (Part No.84101)

Rotor; Extreme Output; GM HEI

from

$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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Earls Performance Product – Solo Bleed (Part No.280021ERL)

Solo Bleed

from

$32.59


Product Features:
  • Prevents Air Inclusion
  • Direct Replacement
  • For OE Bleeders
  • One Person Bleeds Safely
  • Without The Mess
  • No Chance Of Air Bubbles
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B & M – Aluminum Braided Dip Stick, Fits TH-350 Transmission (Part No.22165)

Aluminum Braided Dip Stick, Fits TH-350 Transmission

from

$108.99
What better way to check you oil level by using one of B&M’s transmission fluid dipsticks? The cap screws into the tube and is O-ring sealed, while the base of the tube has a sealing grommet where it goes into the transmission.

Product Features:
  • Automatic Transmission Dip Stick
  • Mounts to bellhousing
  • Sold as a kit
  • Natural finish
  • Fits TH350 & TH350C
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Mr. Gasket – Lts Throttle Cable Brkt Chev (Part No.9885)

Lts Throttle Cable Brkt Chev

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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Mr. Gasket – Enhancement Products (Part No.2060)

Enhancement Products

from

$10.49
This chrome plated breather, embossed with a Mr. Gasket logo, is perfect for race car vacuum balance systems and OEM use. It fits any 1 1/4 inch diameter hole. It has metal baffle/foam element with 1 inch outer diameter neck and 5/8 inch outer diameter breather tube.

Product Features:
  • Internally battled
  • High-porosity filter
  • Ideal for high performance
  • Includes rubber grommet
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FEL-PRO Performance – Lower Intake Manifold Gasket Set: 5 Piece Set (Part No.1210)

Lower Intake Manifold Gasket Set: 5 Piece Set

from

$44.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Edelbrock – Performer Series Retainer (Qty 16) (Part No.9730)

Performer Series Retainer (Qty 16)

from

$99.99
Product Features:
  • Use W/ Valve Springs Part #5703, 5794
  • Set of 16
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
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Accel – Universal Fit Graphite Suppression; Spark Plug Wire Set (Part No.8026)

Universal Fit Graphite Suppression; Spark Plug Wire Set

from

$128.99
These ACCEL carbon and graphite core wire sets virtually eliminate RFI noise, while providing maximum conductivity for ultimate performance in any race or street application. Double silicon insulation eliminates leakage and misfire.

Product Features:
  • Heavy Duty 8.8mm Oversized Silicone Jacket
  • 500 Ohms/ft. Of Resistance
  • 550 Degree Double Silicone Construction
  • Fiberglass Braid
  • Carbon/Graphite Core
  • Magnetic Suppression
  • Fiberglass/Kevlar Core
  • 500 Ohms Resistance
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Competition Cams – Xtreme Energy 250/256 Hydraulic Flat Cam and Lifter Kit Chevrolet Small Block (Part No.CL12-254-3)

Xtreme Energy 250/256 Hydraulic Flat Cam and Lifter Kit Chevrolet Small Block

from

$321.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy: Pro Street/bracket, needs good intake, headers, gear and 3300+ stall.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Xtreme Energy: Pro Street/bracket, needs good intake, headers, gear and 3300+ stall.
  • 294/306 Advertised Duration, 250/256 Duration @ .050″, .519″/.523″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
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Richmond Gear – Differential Mini Spool (Part No.78-1028-1)

Differential Mini Spool

from

$124.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
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Lakewood – Trans Mount: Urethane-Chevy (Part No.24350)

Trans Mount: Urethane-Chevy

from

$84.99
Constructed of durable polyurethane to handle the stress oh high horsepower. Absorbs vibration and lasts longer than rubber Features unique built-in safety lock to keep from separating under high torque loads. Ideal for use on street or strip applications. Complete with grade-8 mounting hardware.

Product Features:
  • Durable Polyurethane
  • Absorbs Vibration
  • Last Longer Than Rubber
  • Built-In Safety Lock
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Edelbrock – Super Victor 4500 for Raised Port 23 Degree Intake Manifold Small-Block Chevy (Part No.2971)

Super Victor 4500 for Raised Port 23 Degree Intake Manifold Small-Block Chevy

from

$494.99
Product Features:
  • 3500-8000 RPM Range
  • Single Plane Type-4500 Style Flange
  • 6.77 in. Front Height, 6.77 in. Center Height, 6.77 in. Rear Height
  • Satin Finish
  • For Raised Port 23 Degree Heads
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Mr. Gasket – Engine Sealing (Part No.6560)

Engine Sealing

from

$499.99
Manufactured from cellulose and 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 OE replacement, high performance street, drag race and oval track.

Product Features:
  • Made of high temp silicone or nitrile blend rubber
  • Torque limiters to prevent over tightening
  • One piece molded rubber
  • Fits left and right hand dipsticks
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Mr. Gasket – Starter Motor Heat Shield (Part No.3678)

Starter Motor Heat Shield

from

$43.99
Fits Chevy small block 265-400 CID, Chevy big block 396-454 CID, & 90 degree Chevy V6. The Starter Motor Heat Shield is built with heat-resistant material sandwiched between two aluminum plates. The shield protects the starter from heat buildup from the exhaust system, especially important when using headers.

Product Features:
  • Designed to prevent starter overheat due to extreme exhaust temperature
  • Heat resistant material sandwiched between 2 aluminum plates
  • Protects Starter From High Temperatures
  • Made Of 2 Sheets Of Aluminum Heat Resistant Center
  • Natural Finish
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Mr. Gasket – Water Neck (Part No.9142G)

Water Neck

from

$64.99
Chrome water neck with a swivel top allows you to place your coolant hose where you want it to be, not just where the neck allows. Precision die cast for better fitment, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.

Product Features:
  • Chrome plated Aluminum
  • O-Ring Style To Prevent Leaks (o-ring included)
  • Swivels for Hard to Fit Applications
  • Comes With Allen Head Bolts
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Mr. Gasket – Distributor Hold-Down Clamp (Part No.1009)

Distributor Hold-Down Clamp

from

$9.99
Add sparkle to your engine with this chromed hold-down clamp. With bolt and gasket. Serrations on the bottom prevent distributor and magneto rotation for accurate timing.

Product Features:
  • Rolled Edges For Strength
  • Ideal For Magnetos
  • Ideal For Ignition Distributor
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Accel – Adj:Vac Adv GM V8 Hei Dist (Part No.31035)

Adj:Vac Adv GM V8 Hei Dist

from

$48.49
This unit permits a seamless wide range of adjustment to both amount and rate of ignition advance. This unit helps increase horsepower and throttle response. It provides maximum spark advance while preventing detonation or “pinging”. This kit includes an allen wrench for easy adjustment along with instructions.

Product Features:
  • Adjustable Vacuum Advance
  • Increases Horsepower And Throttle Response
  • Includes Allen Wrench For Adjustments
  • Instantly Increase Horsepower
  • Maximum Possible Spark Advance
  • Not Legal For Sale/Use In CA
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Competition Cams – CAMSHAFT, SBC 268 HIGH ENERGY HYDRAULIC 1 EA (Part No.12-210-2)

CAMSHAFT, SBC 268 HIGH ENERGY HYDRAULIC 1 EA

from

$537.99
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 – Thermocap Radiator Cap (Part No.2470R)

Thermocap Radiator Cap

from

$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 – Chevrolet Small Block V8 Harmonic Balancer Bolt Kit (Part No.4699)

Chevrolet Small Block V8 Harmonic Balancer Bolt Kit

from

$7.99
Spectre’s Harmonic Balancer Bolt Kit is designed to fit Chevrolet Small Block 265-400 V8 engines. This grade 8 bolt is 2-1/2 inches long, and features a plated finish for corrosion resistance. This kit also includes a security lock washer.

Product Features:
  • Fits Chevrolet Small Block 265-400 V8 engines
  • Features a corrosion resistant plated finish
  • Gold iridite finish
  • Grade 8 bolt, 7/16 inch-20 by 2-1/2 inches
  • Includes security lock washer
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MSD Ignition – Distributor; Street Fire; Chevrolet V8 GM HEI with 4-Pin Module (Part No.8362)

Distributor; Street Fire; Chevrolet V8 GM HEI with 4-Pin Module

from

$259.99
Introducing the Street Fire value-line brand of MSD Ignition. Street Fire components offer a quality designed alternative to the bottom bargain parts that are springing up all over. We’re so assured with the quality of our new Street Fire HEI distributor that we provide a one year warranty with it! We know the importance of a centrifugal advance in a distributor so our engineers made sure that the Street Fire receive an advance assembly with coated weights and welded weight pins (Not just pressed in like other models). Another area that you cannot afford to scrimp on is with a distributor gear. The Street Fire is fit with the same gear that is used on our Pro-Billet models. The metallurgy of this gear has been refined for years to perform through the harshest conditions. Inside, the ignition module and coil work together to produce a stout spark to light the fuel mixture for great performance.

Product Features:
  • Included 4-Pin Module
  • The only value priced HEI with a full one year warranty
  • Heavy duty distributor gear for durability
  • Welded weight pins and heavy duty construction
  • Adjustable vacuum advance helps tune it to each engine
  • 21° of mechanical advance
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Mr. Gasket – Intake Manifold Bolts (Part No.6091)

Intake Manifold Bolts

from

$32.09
These special Grade 8 intake manifold bolts feature a 12-point smaller-than-standard head and flange, and include special extra thick flat washers for optimum clamping pressures. They’re ideal for use where space is minimal, typical on larger runner race manifolds. These bolts and washers are bright zinc plated for protection and good looks.

Product Features:
  • Features 12-point Smaller-than-standard Bolt Head
  • Thick Flat Washers Distribute Optimum Clamp Load
  • Ideal Use Where Space Is Minimal On Race Manifolds
  • Bolts And Washers Zinc Plated For Protection
  • Zinc Plated For Protection
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Richmond Gear – Differential Ring And Pinion (Part No.69-0057-1)

Differential Ring And Pinion

from

$379.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
See More

Popular 1978 GMC G25 Performance and Racing Products Categories

1978 GMC G25 Performance and Racing Products

You count on your 1978 GMC G25 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 204 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 GMC G25.

Brands matter. If you want to shop a specific Performance and Racing Products brand, we stock 20 different brands like Mr. Gasket, Edelbrock, and FEL-PRO Performance. 1978 GMC G25 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 992 extensive product reviews on 1978 GMC G25 Performance and Racing Products. Some of the top-rated Performance and Racing Products products we carry are High Output Mechanical Fuel Pump – 110 GPH Free Flow with 3.8 stars and High Performance Spin-on Oil Filter: Ideal for Racing Oil with 4.9 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 GMC G25 below to get started!

Top-Rated Performance and Racing Products Brands For Your 1978 GMC G25

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 GMC G25 running right for years to come. In our inventory you’ll find brands like Mr. Gasket, Edelbrock, FEL-PRO Performance, 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 GMC G25 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 GMC G25, 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 GMC G25 Performance and Racing Products

What are the most purchased Performance and Racing Products for the 1978 GMC G25?

Out of 204 Performance and Racing Products for the 1978 GMC G25, 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
Performance Exhaust Gasket Set for Enhanced Sealing and Durability
from $20.99
(14)
Performance Exhaust Gasket Set for Enhanced Sealing and Durability
Performance Exhaust Manifold Gaskets

What are the top-rated 1978 GMC G25 Performance and Racing Products?

Top-rated Performance and Racing Products for your 1978 GMC G25 based on customer reviews/ratings are:
High Output Mechanical Fuel Pump - 110 GPH Free Flow
from $144.99
(12)
High Output Mechanical Fuel Pump – 110 GPH Free Flow
“Used it in my 1930 hot rod.”
High Performance Spin-on Oil Filter: Ideal for Racing Oil
from $16.99
(9)
High Performance Spin-on Oil Filter: Ideal for Racing Oil
“Worked as it should”
High Energy Ignition Coil for GM HEI - 1973-1991
from $100.99
(8)
High Energy Ignition Coil for GM HEI – 1973-1991
“GREAT ITEM WORKS WELL”