GMC S300 Performance and Racing Products

Essential GMC S300 Performance and Racing Products

Mr. Gasket – Alternator Bracket (Part No.9850)

Alternator Bracket

from

$25.99
Hold your alternator securely in place with Mr. Gasket chrome alternator bracket. Chrome plated heavy gauge steel for long lasting good looks. Must be used with #9852.

Product Features:
  • Chrome Plated Steel
  • F-Style
  • Heavy Gauge Steel Construction
  • Fits Small Block Chevy 265-400 CID
  • Must Be Used With Part 9852
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Edelbrock – Cylinder Head Gasket Set for Chevrolet (Part No.7310)

Cylinder Head Gasket Set for Chevrolet

from

$58.99
Product Features:
  • 4.125 in. Cylinder Bore Diameter
  • 0.039 in. Thickness
  • 8.7cc Volume
  • Charcoal Color
  • Two Piece Configuration
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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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Mallory – Mallory Kit: Unil Conv: Delco: V8 (Part No.501)

Mallory Kit: Unil Conv: Delco: V8

from

$134.99
Put an end to high maintenance point ignition systems by installing a proven Mallory Unilite ignition conversion kit. Features at a glance, improves performance and fuel efficiency, easy to install with simple hand tools, reduced maintenance and is available for all popular 12-volt negative ground domestic cars and trucks.

Product Features:
  • Easy Installation
  • Improved Fuel Economy
  • Reduced Maintenance
  • Accurate Timing
  • Improved Performance
  • Provides A Simple Conversion
  • No Moving Parts To Wear Out
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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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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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Mr. Gasket – Chrome Plated Engine Oil Pan (Part No.9781)

Chrome Plated Engine Oil Pan

from

$89.99
This Mr. Gasket Oil Pan comes in chrome plated steel. Complete with drain plug, washer & bolts. Stock depth and capacity. Gasket & chrome-plated dipsticks with tubes sold separately.

Product Features:
  • Chrome plated steel
  • Complete with drain plug, washer and bolts
  • Stock depth and capacity
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Flowtech – Real-Seal; Header Gasket (Part No.99150AFLT)

Real-Seal; Header Gasket

from

$85.39


Product Features:
  • Water/Weather Resistant
  • Re-Useable
  • Will Not Burn Or Blow Out
  • Suitable For Port-Matching
  • Made In USA
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B & M – Automatic Shifter, Light Truck Megashifter (Part No.80680)

Automatic Shifter, Light Truck 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. The light truck Megashifter is better suited for truck and bench seat applications with its overall height of 14.85-inches tall (2.25-inches taller than #80690 Megashifter.) The positive ratcheting action won’t allow you to over-shift and miss a gear at that critical moment, along with the reverse lockout feature meets NHRA/IHRA safety rules for those weekend grudge races at the track, while the look and feel of the T-handle and accordion style shift boot really shows off its racing heritage. Other features include a black console that you can trim to match the contour of your vehicle’s floor, 5-foot long shifter cable, cable brackets, transmission shift levers, chrome plated top plate with lighted gear indicator and everything needed for an easy at home installation. An optional T-handle with a 12-volt button is available separately for actuating a trans-brake, nitrous oxide or other accessories for the hard-core performance enthusiast. This shifter fits most popular Chrysler, Ford and GM 3 and 4-speed automatic transmissions. Note: AOD transmissions require optional kit #40496, GM 4L60E through 4L85E transmissions with PRNDL switch will require optional kit #70499. Overall Dimensions – 14.9L x 6.4W x 14.8H

Product Features:
  • Universal Floor Mount Application
  • Cable Operated
  • Quick Installation
  • Accurate Shifting
  • NHRA/IHRA Reverse Lockout Meets Requirements
  • Use w/Reverse Pattern Valve Body
  • Includes Neutral Safety Switch
  • Includes Backup Light Switch
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Edelbrock – Complete Sure Seat Valve Spring Kit for Chevy 262-400 V8 1957-95 (Part No.5894)

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

from

$147.99
Complete kit includes retainers and locks. Springs made of highest quality spring wire. Springs precision wound to close tolerances. Includes superior quality steel retainers. Includes 7 degree heat-treated valve stem locks. Retainers and locks are black oxide coated. Non-rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:
  • Complete Kit: Includes Retainers And Locks
  • Springs Made of Highest Quality Spring Wire
  • Springs Precision Wound To Close Tolerances
  • Includes Superior Quality Steel Retainers
  • Includes 7 deg. Heat-Treated Valve Stem Locks
  • Retainers and Locks Black Oxide Coated
  • Dyno Tested And Street Proven
  • Great Match to Edelbrock Camshaft Kit
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Edelbrock – Sure Seat Valve Springs for S/B Chevy O.E Cast iron Cylinder Heads (Part No.5703)

Sure Seat Valve Springs for S/B Chevy O.E Cast iron Cylinder Heads

from

$65.99
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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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 – Water Pump (Part No.7011)

Water Pump

from

$279.99
This high flow pump is chrome plated cast iron and will keep your engine cool while looking cool.

Product Features:
  • Chrome Plated Cast Iron
  • Heavy Duty Shaft & Bearings
  • Dual Pulley Bolt Pattern
  • Small Block Chevy – Short Style
  • Tested for reliability
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Edelbrock – Performer RPM Series fuel pump for SBC and W Series Chevy (Part No.1721)

Performer RPM Series fuel pump for SBC and W Series Chevy

from

$168.99


Product Features:
  • Unique Valve Design
  • Improves Flow Quantity/Quality
  • Supports Engines Up To 550 HP
  • Hi-Vol 0.375 in. NPT Inlet/Outlet
  • Produces 6 psi
  • Gasoline Or Mixed Fuels Only
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Edelbrock – Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, Polished Finish (Part No.27011)

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

from

$504.99


Product Features:
  • Polished Version Of Edelbrock PN[2701]
  • Polish is Hand-Buffed for Brilliant Shine
  • Maximizes Performance with Edelbrock Carburetors
  • Maximizes Peak Torque Around 3500 RPM
  • Excellent Throttle Response and Mid-Range Power
  • Prod. +5 HP and +9 ft/lbs. of Torque Over PN[2101]
  • For Idle to 5500 RPM Street-Driven Performance
  • Dual-Plane Low-Rise Intake w/180 deg. Firing Order
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Edelbrock – C-357-B Triple-Deuce Manifold for S/B Chevy 4-Bolt Carb Pattern (Part No.5419)

C-357-B Triple-Deuce Manifold for S/B Chevy 4-Bolt Carb Pattern

from

$473.99
Product Features:
  • Designed for Idle to 5500 RPM
  • Manifold has a Balanced 180+ Firing Order
  • Contains Exhaust Gas Heat Riser
  • Offers Excellent Performance Potential
  • Front Oil Filler Tube Boss Included
  • Carburetor Center-to-Center Dimensions = 5-1/2 in
  • Also Available Polished PN[5419] But Not Fit HEI
  • Use Rochester 2GC (small 1-7/16 in bore)
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Edelbrock – Performer RPM AIR-Gap Small Block Chevy Dual-Quad Intake Manifold (Part No.7525)

Performer RPM AIR-Gap Small Block Chevy Dual-Quad Intake Manifold

from

$484.99
Air gap cooler and denser mixture for more power. Street and high performance compatible. Available in cast, polished and endurashine finish.

Product Features:
  • Based on C26 Low Profile with Unique Air Gap
  • Air Gap Cooler and Denser Mixture for More Power
  • 1.625 in. Taller Than Low-Profile PN[5425]
  • Also Available In EnduraShine Finish PN[75254]
  • Also Available As Complete Kit PN[2025/20254]
  • Best When Matched with Edelbrock 500cfm Carburetor
  • Use Fuel Line Kit PN[8088/8091]
  • Use Progressive Throttle Linkage Kit PN[7094]
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Edelbrock – Performer EPS Intake Manifold for 1955-86 Small-Block Chevy (Part No.2701)

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

from

$195.99


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]
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Edelbrock – Performer Small-Block Chevy Intake Manifold for Street Performance (Part No.3701)

Performer Small-Block Chevy Intake Manifold for Street Performance

from

$339.99


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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Helping You Find the Right Performance and Racing Products for Your GMC S300

You love your S300. So we’ve made it easier than ever to help you find GMC S300 Performance and Racing Products in our online catalog. Our inventory holds 20 aftermarket and OEM Performance and Racing Products for your GMC S300, ranging from $14.99 to $504.99.

We offer parts from 6 brands trusted to make quality Performance and Racing Products for your GMC S300. Before you buy, take some time to read through customer reviews. We currently have 134 reviews of GMC S300 Performance and Racing Products from previous customers. Some of the top rated parts include Unilite Ignition Module with 5.0 stars and Mallory Kit: Unil Conv: Delco: V8 with 5.0 stars.

Find your S300 Performance and Racing Products here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your GMC S300 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Performance and Racing Products Brands for Your GMC S300

Our inventory holds Performance and Racing Products for your GMC S300 from 6 trusted brands. You’ll find OEM and aftermarket parts from brands like Edelbrock, Mr. Gasket, and Earls Performance Product, all of which can keep that GMC happy.
We have Flowtech parts available for your GMC S300 in categories like Performance Exhaust Products. Some of the top-rated Flowtech parts 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

Leading Edelbrock Performance and Racing Products

We carry Edelbrock brand parts for your GMC S300 across several catalog categories, including Performance Engines and Performance Fuel Systems. 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
Performer RPM Series fuel pump for SBC and W Series Chevy
from $168.99
(5)
Performer RPM Series fuel pump for SBC and W Series Chevy
Performance Fuel Pumps

FAQs for GMC S300 Performance and Racing Products

What are the most purchased Performance and Racing Products for the GMC S300?

Out of 20 Performance and Racing Products for the GMC S300, the most popular in our inventory are:
Alternator Bracket
from $25.99
(2)
Alternator Bracket
Performance Exhaust Header Hardware
Chrome Plated Engine Oil Pan
from $89.99
This product is not rated
Chrome Plated Engine Oil Pan
Performance Oil Pans
Solo Bleed
from $32.59
This product is not rated
Solo Bleed
Performance Brake Bleeders

What are the top-rated GMC S300 Performance and Racing Products?

Top-rated Performance and Racing Products for your GMC S300 based on customer reviews/ratings are:
Unilite Ignition Module
from $85.29
(3)
Unilite Ignition Module
“I like the Unilite product because it is so small and compact compared to the HEI stuff I normally use. If you are restricted on space Its a great pro”
Mallory Kit: Unil Conv: Delco: V8
from $134.99
(1)
Mallory Kit: Unil Conv: Delco: V8
“I had my 66 LeMans 326 engine rebuilt. After the install, which was easy to do, and following the instructions the engine fired right up. Now I won’t ”