GMC 300 Performance and Racing Products

Essential GMC 300 Performance and Racing Products

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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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 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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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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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 – 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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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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B & M – Flexplate, SFI 29.1 Approved, Fits 168-Tooth, 2-Piece Rear Main Seal, Chevy V8 (Part No.20230)

Flexplate, SFI 29.1 Approved, Fits 168-Tooth, 2-Piece Rear Main Seal, Chevy V8

from

$154.99
As performance levels increase, an O.E. style flexplate just won’t cut it and a stronger option is a necessity to prevent transmission and/or converter failure. B&M has you covered with our high performance flexplate designed for 1955-85 GM small block (internally balanced) V8 engines along with 4.3L V6 engines. Also fits 1990 and earlier GM big block (internally balanced) V8 engines with two piece rear main seal. Features include high tensile strength steel construction to resist elongation and cracking, dual bolt pattern 10.75 or 11.5 inch converter mounting locations, 168 tooth ring gear with double-sided welds for added strength and comes with SFI 29.1 safety certification insuring the ultimate in safety and performance. The assembly is then Zinc plated and treated with a Chromate Conversion Coating for added corrosion resistance and durability. B&M SFI approved flexplates are ideal for extreme duty race applications as well as street cars, tow vehicles or other vehicles needing the added protection and toughness that B&M has been delivering since 1953. Compatible with Powerglide, TH350, TH400 and TH700R4 automatic transmissions.

Product Features:
  • NHRA/IHRA Legal For All Classes
  • Includes SFI Certification Sticker
  • Ideal For Street Applications
  • To Extreme Duty Racing
  • To High RPM Use
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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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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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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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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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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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Mallory – Unilite Ignition Module (Part No.605)

Unilite Ignition Module

from

$85.29
Mallory’s UNILITE (R), and magnetic breaker less ignition modules are self contained module assemblies which have no moving parts to wear out. Using Mallory’s time tested breaker less ignition circuit, combined with modern surface mount thermal-clad construction, these ignition modules can drive both OEM and high performance ignition coils. For best results always use a Mallory PROMASTER coil or a Mallory chrome electronic ignition coil. These are also an excellent choice for triggering one of the Mallory HyFire series of electronic ignition controls. Hookup is as easy as a three wire connection.

Product Features:
  • Service Part
  • No Moving Parts To Wear Out
  • Self Contained Unit
  • Can Drive OEM
  • Can Drive High Performance Ignition Coils
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Helping You Find the Right Performance and Racing Products for Your GMC 300

You love your 300. So we’ve made it easier than ever to help you find GMC 300 Performance and Racing Products in our online catalog. Our inventory holds 21 aftermarket and OEM Performance and Racing Products for your GMC 300, ranging from $14.99 to $504.99.

We offer parts from 6 brands trusted to make quality Performance and Racing Products for your GMC 300. Before you buy, take some time to read through customer reviews. We currently have 204 reviews of GMC 300 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 300 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 300 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 300

Our inventory holds Performance and Racing Products for your GMC 300 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 300 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 300 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 300 Performance and Racing Products

What are the most purchased Performance and Racing Products for the GMC 300?

Out of 21 Performance and Racing Products for the GMC 300, 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 300 Performance and Racing Products?

Top-rated Performance and Racing Products for your GMC 300 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 ”