GMC K25/K2500 Suburban Performance and Racing Products

Essential GMC K25/K2500 Suburban Performance and Racing Products

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

$169.99
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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Energy Suspension – Transfer Case Torque Mount (Part No.3.1107G)

Transfer Case Torque Mount

from

$27.99
Product Features:
  • Transfer Case Torque Mount
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Mr. Gasket – Enhancement Products (Part No.2060)

Enhancement Products

from

$12.99
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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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

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$69.99
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 – Intake Manifold Gasket for 1965-1990, Oval port 396-402-454 B/B Chevy (Part No.7203)

Intake Manifold Gasket for 1965-1990, Oval port 396-402-454 B/B Chevy

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$34.99
Product Features:
  • Clean Positive Seal
  • Embossed Silicone Bead Surrounding The Port
  • Matched To Manifolds And Cylinder Heads
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Edelbrock – Pushrod Set for S/B Chevy (Part No.9630)

Pushrod Set for S/B Chevy

from

$199.99


Product Features:
  • Case-Hardened Tubing
  • Welded Ends
  • 5/16 in. Diameter
  • Use with or without Hardened Steel Guideplates
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Mr. Gasket – Intake Manifold Bolt Set – Chevrolet Small Block – Socket Head 3/8"-16 X 1" Bolts & Washers (Part No.956G)

Intake Manifold Bolt Set - Chevrolet Small Block - Socket Head 3/8"-16 X 1" Bolts & Washers

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$20.99
These grade 5 hex head bolts are brite zinc plated for protection and appearance. Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds. Includes twelve (12) 3/8 inch-16 x 1 inch bolts & washers

Product Features:
  • Zinc plated to resist corrosion and provide a clean professional appearance
  • Made from Grade 5 steel for strength and durability
  • Flat washers provide uniform clamp load and prevent galling on aluminum intake manifolds
  • Allen (socket) Head
  • Zinc Plated For Protection
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Mallory – Unilite Ignition Module (Part No.605)

Unilite Ignition Module

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$92.99
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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MSD Ignition – Distributor Cap and Rotor; MSD/GM V8 Points (Part No.8442)

Distributor Cap and Rotor; MSD/GM V8 Points

from

$53.99
The cap and rotor of any ignition system must be considered maintenance items. Just as you change the oil and filter of your car, you should always replace the cap and rotor as a set. To make things easy, we now offer these cap and rotor replacement kits.

Product Features:
  • Fits MSD/GM V8 Distributors
  • Made from high quality materials
  • Brass terminals
  • High dielectric properties
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Mr. Gasket – Timing Cover (Part No.4590BP)

Timing Cover

from

$49.99
This flat black timing cover kit fits small block Chevy applications 1955-1987.

Product Features:
  • Pre-Painted w/ Black Finish
  • Avoids Hassle w/ Painting Stock OEM Steel Timing Cover
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Mr. Gasket – Cylinder Head Dowel Pins (Part No.4375)

Cylinder Head Dowel Pins

from

$17.99
Dowel pins are precision machined and case hardened for accurate head alignment. Two per set. 5/16 inch x 5/8 inch

Product Features:
  • Precision Machined
  • Case Hardened
  • Give Accurate Alignment
  • 2 Per Set
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Edelbrock – Cylinder Head Gasket Set for Chevrolet (Part No.7310)

Cylinder Head Gasket Set for Chevrolet

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$61.99
Product Features:
  • 4.125 in. Cylinder Bore Diameter
  • 0.039 in. Thickness
  • 8.7cc Volume
  • Charcoal Color
  • Two Piece Configuration
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Accel – Adj:Vac Adv GM V8 Point Dist (Part No.31034)

Adj:Vac Adv GM V8 Point Dist

from

$59.99
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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Mr. Gasket – Thermocap Radiator Cap (Part No.2470B)

Thermocap Radiator Cap

from

$54.99
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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B & M – Shift Improver Kit For 68-81 TH-350 Transmission (Part No.30262)

Shift Improver Kit For 68-81 TH-350 Transmission

from

$69.99
HEAVY DUTY-Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. STREET/STRIP-Positive shifts for high performance street use or for competitive events. Hardest, quickest possible shift.

Product Features:
  • Provides Crisp Shifts
  • On Any Stock Automatic Transmission
  • Eliminates Soft/Sluggish Shift
  • Eliminates Shift Overlap
  • Eliminate Clutch and Band Wear
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Spectre – Spectre Replacement Air Filter (Part No.HPR0326)

Spectre Replacement Air Filter

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$41.49
Spectre’s High Performance Replacement Air Filters are engineered to outperform ordinary paper filters by providing increased air flow for improved performance. Manufactured using high quality materials including pre-dyed synthetic media, urethane, and steel mesh, this performance air filter is factory pre-oiled and ready to use. Use a Spectre Accucharge cleaning and re-oiling kit, part number HPR4820, to maintain your filter’s condition.

Product Features:
  • Designed to be superior to stock paper filters
  • Comes pre-oiled
  • Designed for an easy installation with OE fit
  • Made with pre-dyed media for lasting color
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Competition Cams – VALVE SEALS, TEFLON 3/8" 1 ST (Part No.505-16)

VALVE SEALS, TEFLON 3/8" 1 ST

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$33.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with .530″ guides and 3/8″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
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Energy Suspension – Shackle Eye Set (Part No.3.2111R)

Shackle Eye Set

from

$19.99
Product Features:
  • Made from HYPER-Flex Polyurethane
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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

$45.99
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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Energy Suspension – Tie Rod Dust Boot (Part No.9.13119G)

Tie Rod Dust Boot

from

$9.99
Repair torn and worn-out boots of suspension tie rod ends – without having to buy the entire and expensive tie rod. Adds durability surpassing most OEM rubber boots. Exclusive 5 point sealing action. Choose from four sizes and round or octagon styles. Made of Energy’s Hyper-Flex performance polyurethane for added performance and durability.

Product Features:
  • Easy to Install
  • Superior Material
  • Saves Your Tie Rods
  • Lasts Longer
  • Looks Great
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FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2912)

Engine Crankshaft Seal Kit

from

$37.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longevity.
  • Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
  • Not intended for use in emission controlled vehicles.
  • Not intended for use in emission controlled vehicles.
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Edelbrock – Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel (Part No.4449)

Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel

from

$56.99
The Edelbrock #4449 Signature Series Valve Covers are designed for Chevrolet 262-400 ’59-86 applications. Engineered for function and styled for great looks, Signature Series valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve holes. Rubber grommets for the breather and PCV valve holes are included. Matching breathers sold separately.

Product Features:
  • Small Block Chevy 262-400 1959-86
  • Short
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
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B & M – Automatic Shifter, Pro Ratchet Shift, Powerglide (Part No.80840)

Automatic Shifter, Pro Ratchet Shift, Powerglide

from

$487.99
The Pro Ratchet shifter is one of our most popular and easiest to operate race shifters. Features include positive ratcheting design that self-centers the handle after each shift giving you maximum clearance behind the shifter, and will not allow you to m

Product Features:
  • Single Hand Operated Reverse Lockout
  • Reverse Lockout Meets NHRA And IHRA Requirements
  • Quick And Easy To Operate
  • Stick Always Returns To Center Position
  • Easiest Unit To Double Shift w/Air/CO2/Electric Mech
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Edelbrock – Performer Big-Block Chevy Oval Port Hydraulic Flat Tappet Cam (Part No.60499)

Performer Big-Block Chevy Oval Port Hydraulic Flat Tappet Cam

from

$1251.99
Product Features:
  • Complete Single For Flat Tappet
  • 100cc Combustion Chamber Volume
  • 290cc Intake/110cc Exhaust Runner Volume
  • 2.19 in. Intake/1.88 in. Exhaust Valve Diameter
  • 0.562 in. Deck Thickness
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Mallory – Mallory Kit: Unil Conv: Delco: V8 (Part No.501)

Mallory Kit: Unil Conv: Delco: V8

from

$149.99
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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GMC K25/K2500 Suburban Performance and Racing Products Categories

Helping You Find the Right Performance and Racing Products for Your GMC K25/K2500 Suburban

You love your K25/K2500 Suburban. So we’ve made it easier than ever to help you find GMC K25/K2500 Suburban Performance and Racing Products in our online catalog. Our inventory holds 394 aftermarket and OEM Performance and Racing Products for your GMC K25/K2500 Suburban, ranging from $7.99 to $1,645.99.

We offer parts from 21 brands trusted to make quality Performance and Racing Products for your GMC K25/K2500 Suburban. Before you buy, take some time to read through customer reviews. We currently have 17,036 reviews of GMC K25/K2500 Suburban Performance and Racing Products from previous customers. Some of the top rated parts include Street Carburetor: 600 CFM, Electric Choke, 4 Barrel, Square Bore, Single Inlet, Shiny with 4.7 stars and Dist:Chev V8 Hei Vac W/Coil with 3.8 stars.

Find your K25/K2500 Suburban 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 K25/K2500 Suburban 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 K25/K2500 Suburban

Our inventory holds Performance and Racing Products for your GMC K25/K2500 Suburban from 21 trusted brands. You’ll find OEM and aftermarket parts from brands like Mr. Gasket, K&N, and Accel, all of which can keep that GMC happy.
We have Fram parts available for your GMC K25/K2500 Suburban in categories like Performance Oil Filters. Some of the top-rated Fram parts in these categories are:
Engine Oil Filter: Full-Flow Lube Spin-On
from $16.99
(9)
Engine Oil Filter: Full-Flow Lube Spin-On
Performance Oil Filters

Top-Rated Mr. Gasket Performance and Racing Products

Leading Mr. Gasket Performance and Racing Products

We carry Mr. Gasket brand parts for your GMC K25/K2500 Suburban across several catalog categories, including Performance Engines. Some of our most reviewed Mr. Gasket parts include:
High Performance 180 Degree Thermostat for Increased Flow
from $29.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats
High Performance Thermostat - 160 Degree Brass & Copper
from $29.49
(12)
High Performance Thermostat – 160 Degree Brass & Copper
Performance Engine Coolant Thermostats
Ultra Seal: Harmonic Balancer Bolt/Washer Kit
from $15.99
(12)
Ultra Seal: Harmonic Balancer Bolt/Washer Kit
Performance Engine Harmonic Balancers

FAQs for GMC K25/K2500 Suburban Performance and Racing Products

What are the most purchased Performance and Racing Products for the GMC K25/K2500 Suburban?

Out of 394 Performance and Racing Products for the GMC K25/K2500 Suburban, the most popular in our inventory are:

What are the top-rated GMC K25/K2500 Suburban Performance and Racing Products?

Top-rated Performance and Racing Products for your GMC K25/K2500 Suburban based on customer reviews/ratings are:
Street Carburetor: 600 CFM, Electric Choke, 4 Barrel, Square Bore, Single Inlet, Shiny
from $499.99
(45)
Street Carburetor: 600 CFM, Electric Choke, 4 Barrel, Square Bore, Single Inlet, Shiny
“very easy to install…replaced older carb this one is fresh and runs smooth … needed to do minor ajustment .. but nothing anyone couldn’t do …”
Dist:Chev V8 Hei Vac W/Coil
from $228.99
(19)
Dist:Chev V8 Hei Vac W/Coil
“This woke my 350 up like crazy. Great throttle response and finally made my truck fun to drive again. Installed in minutes, wires clicked right in pla”
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit
from $914.99
(13)
Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit
“Worked prefect. Gave me the Hi speed blower back”