1991 GMC C2500 Performance Engines

Name: Bolt Kit Intake Hex Head
Brand: Spectre
SKU: 4652
Price: 10.99 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1991 GMC C2500 in Top Shape with Quality Performance Engines

Whether you’re repairing or upgrading your Performance Engine, using high-quality parts is key to keeping your 1991 GMC C2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Intake Manifolds, Performance Engine Intake Manifold Gaskets, and Performance Engine Cylinder Head Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Performance Engines from Trusted Brands

Looking for a reliable Performance Engine? We’ve got you covered with options from brands you know and trust like FEL-PRO Performance, Competition Cams, and Spectre. For example, FEL-PRO Performance Performance Engines start at just $42.49 with an average 4.2 star rating. Competition Cams and Spectre offer similar pricing and quality, backed by strong customer feedback. With over 224 reviews and a solid 4 star average, you can shop with confidence knowing other GMC C2500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1991 GMC C2500 Performance Engine at Advance Auto Parts is around $323.71, with a range that starts at $8.99 and goes up to $1,214.00. With 171 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts, Bolt Kit Intake Hex Head, and Lower Intake Manifold Gasket Set: 9 Piece Set start at just $10.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Air Intake Kits and Performance Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1991 GMC C2500 in peak condition, inside and out.

Looking for the perfect Performance Engine for your 1991 GMC C2500? You’re in the right place. Below, you’ll find links to various types of Performance Engines that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Engines, ensuring durability and a precise fit for your GMC C2500. Whether you’re driving a 1991 model or another popular model year like 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, and 2000, we’ve got you covered. Purchasing Performance Engines from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Engines that fit your vehicle.

Essential 1991 GMC C2500 Performance Engines

from

$10.99

Spectre’s Intake Bolt and Washer Set is engineered to provide premium quality hardware for Chevrolet 265-400 and Chrysler 273-440 small block engines. Measuring 3/8 inch-16 by 1 inch, these grade 5 bolts feature a corrosion resistant zinc-plated finish and hex heads to ensure easy installation. This kit includes 12 bolts and washers.

Product Features:

Designed for Chevrolet 265-400 and Chrysler 273-440 small block engines
3/8 inch-16 by 1 inch bolts
Kit includes 12 bolts and washers
Manufactured from high quality steel
Bolts feature hex heads

from

$32.49

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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$199.99

Product Features:

Case-Hardened Tubing
Welded Ends
5/16 in. Diameter
Use with or without Hardened Steel Guideplates

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$44.99

Product Features:

Replacement Gasket Set For PN[4242]

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$57.99

Ultra-Seal intake manifold gaskets 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 OE 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
Creates Tight Leak proof Seal

from

$9.99

This is a high quality gasket that will seal that leaking water neck, and provide you with years of service. This gasket works well in all applications.

Product Features:

Made From Cellulose/Nitrile Composition
Provides Excellent Sealing And Durability
These Gaskets Are Die Cut For a Precision Fit
Fits Small Block Chevy V8 Engines 1955-’90
Fits Big Block Chevy V8 Engines 1965-’90
Fits Small Block Chrysler 318/360 1979-’92
Fits Small Block Chrysler 3.9L/5.2L/5.9L Magnum 1992-’03

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$259.99

HYDRAULIC – Xtreme Energy: Good for street machines, slightly rough idle, stock converter will work but best with 1800+ stall.

Product Features:

HYDRAULIC – Xtreme Energy: Good for street machines, slightly rough idle, stock converter will work but best with 1800+ stall.
268/280 Advertised Duration, 224/230 Duration @ .050″, .515″/.520″ Lift, 110 Lobe Separation
Valve spring upgrade required
Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.

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$28.49

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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$32.49

Secure the harmonic balancer or dampener on your Chevy. Works on original equipment, high performance street, drag or circle track applications. Features a heat treated black oxide coated Grade 8 alloy steel bolt for strength with a tall hex head to prevent wrench from slipping. An extra thick parallel ground washer provides accurate, uniform torque, and a lock washer is also included.

Product Features:

Heat treated black oxide coated Grade 8 alloy steel
Tall hex head bolt to prevent wrench from slipping
Extra thick parallel ground washer provides accurate, uniform torque
Washers Provides More Accurate And Uniform Torque
Grade 8 Alloy Steel

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$1332.99

For 3500 to 7500 PRM. Use where low-end torque is not a prime factor. Great for engines with slightly modified heads. HEI ignition will not clear manifold. Street machines, street rods, pro-street and marine.

Product Features:

Street Tunnel Ram; Intake Manifold Top

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$1059.99

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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$83.99

COMP Cams Hi-Tech Roller Race Timing Sets include cast iron camshafts gears, induction hardened billet steel crank sprockets, and pre-stretched, heat-treated double roller chains with heavy-duty large pin design. They feature 3 keyway crank sprockets for

Product Features:

Cast iron camshaft gear and induction hardened billet steel crank sprocket
Pre-stretched, heat-treated true double roller chain with heavy-duty large pin design; chain available separately
Ideal for all street performance and race applications
Features 3 keyway crank sprocket for 4-degree incremental adjustability, 4-degree maximum advance/retard
Dynamically balanced and quality checked for run-out tolerances

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$144.99

Includes: 2 short chrome valve covers 2 valve cover gaskets 1 chrome push-on breather 1 chrome dipstick & tube 1 chrome timing chain cover 1 chrome timing tab 1 rubber grommet for valve cover PCV hole 1 breather grommet.

Product Features:

Chrome Plated Steel
Comes W/valve Cover Gaskets

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$921.99

HoleShot 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: HoleShot 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot c

Product Features:

Furnace Brazed Impeller
Steel Alloy Pump Drive Tube
Heavy Duty Needle Bearing
Between Stator and Turbine
Furnace Brazed Turbine

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$42.99

These are high quality gaskets that works well on those hard to seal applications. The low density fiber & rubber blend gasket material seals those minor head imperfections with a low clamp force. At .187 inch, the extra thickness can also offer slightly more clearance for roller rockers. Ideal for all those high performance applications where you take the valve covers off and on a lot, and sticking is a problem.brbrFits all 1965-2000 Chevy Big Blocks: 366,396,402,427,454 including GM (General Motors) Gen VI Crate Engines like the 502 and 572.

Product Features:

Manufactured from high-density cork/rubber blend gasket material
A black latex rubber coating is applied to the outside of gasket to help seal minor flange irregularities and eliminate the possibility of oil leakage
Creates a positive seal by controlled swelling of the gasket material when exposed to hot engine oil.
For OE replacement, high performance street, drag race and oval track use.
.187″ thick for additonal valve train clearance
Handles Ex Flange Pressure
Forms Leak Proof Seal
Black Latex Coating

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$457.99

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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$342.99

BIG BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy: Strong torque. Excellent response, heavy towing in 454 with 4.10 gear.

Product Features:

Cam and lifter kit for Big Block Chevy engines
CL-Kit includes cam, lifters, assembly lube, instructions and decals
HYDRAULIC – Xtreme Energy: Strong torque. Excellent response, heavy towing in 454 with 4.10 gear.
262/270 Advertised Duration, 218/224 Duration @ .050″, .504″/.510″ Lift, 110 Lobe Separation
Valve spring upgrade required

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$223.99

VALVE SEALS, O-RING 11/32″ 1 ST

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$101.99

Mr. Gasket competition screw-in rocker arm studs are manufactured from heat treated black oxide coated Grade 8 steel. Ideal for high performance street and race applications.

Product Features:

Black Oxide Coated Grade 8 Steel
Kit Contains 16 Studs
Easy To Install
Heat Treated Steel
Prevents Stud Flexing
Black Plated Finish

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$77.99

Mr. Gasket screw-in rocker arm studs are manufactured from heat treated black oxide coated Grade 8 steel. Ideal for high performance street applications. OE style press in rocker studs can actually pull out of the cylinder head when using high lift camshafts. Includes sixteen studs 3/8-24 x 1.47 inch long top x 7/16-14 bottom.

Product Features:

Black Oxide Coated Grade 8 Steel
Kit Contains 16 Studs
Easy To Install
Heat Treated Steel
Grade 8 Steel

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$266.99

Product Features:

Non-Rotator
1.500 in. Outside Diameter
1.082 in. Inside Diameter
1.340 in. Coil Blind
Set of 16

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$159.99

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
Non-Rotator Style: Dyno Tested and Street Proven
Great Match to Edelbrock Camshaft Kit

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$44.99

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

Product Features:

Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
Raises combustion sealing force to roughly three times that of standard head gaskets.
Steel wire rings for the greatest combustion seal strength.
Not intended for use in emission controlled vehicles.

from

$42.49

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

Product Features:

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

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$31.49

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

Product Features:

Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
With steel core to provide ultimate excellent blowout resistance.
Not intended for use in emission controlled vehicles.

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$42.99

Manufactured from cellulose/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 original equipment replacement, high performance street, drag race and oval track.

Product Features:

Manufactured from cellulose/nitrile rubber composition gasket material
Provides excellent sealing and durability
Complete with molded rubber front/rear oil pan end seals where applicable
For OE replacement, high performance street, drag race and oval track use
Graphite Non-Wicking Rubber
No Cork Particles
Easy Removal For Disassembly

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$10.99

10 Degree Superlock Steel Retainer for 1.250" OD Valve Spring

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$135.99

Product Features:

Use W/ Valve Springs Part #5762, 5795
Use W/ Locks Part #9612
1.50 in. Outside Diameter
Steel Material
Black Oxide Finish

Popular 1991 GMC C2500 Performance Engines Categories

Performance Engine Coolant Thermostats

Performance Intake Manifolds

Performance Water Outlet Gaskets

Performance Engine Dress-Up Kits

Performance Engine Water Pumps

Performance Engine Cylinder Head Gaskets

Performance Engine Camshaft and Lifter Kits

Performance Engine Harmonic Balancers

Performance Engine Intake Manifold Gaskets

Performance Engine Timing Sets and Components

Performance Engine Valve Springs

Performance Engine Valve Cover Gasket Sets

Performance Engine Rocker Arms

Performance Engine Camshafts

Performance Engine Oil Pan Gaskets

Performance Intake Manifold Hardware

Performance Engine Valve Lifters

Performance Engine Main Bearing Gasket Sets

Performance Engine Push Rod Guideplates

Performance Engine Timing Cover Gasket Sets

Performance Engine Push Rods

Performance Engine Valve Spring Retainer

Performance Torque Converters

Performance Engine Cylinder Heads

Performance Engine Valve Stem Seal Sets

Most Popular Performance Intake Manifolds for 1991 GMC C2500s

Enhance your 1991 GMC C2500 with one of the 7 Performance Intake Manifolds we have in stock, starting at just $18.29.

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from

$18.29

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

Product Features:

Grade 5 socket head bolts are zinc plated for protection and appearance
Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds
Washers Included

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$519.99

Product Features:

For Idle to 5500 RPM Street-Driven Performance
All Factory Connections Used
Patented Runner Design Ensures Broad Torque Curve
Excellent Throttle Response and Mid-Range Power
50-State Street Legal with OEM Throttle Body
For OE and Small Bore TBI Injectors Only
No Chip Changes/Computer Modifications Required
5.7L Power Package Provides Free Computer Chip

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$449.99

Utilizes late model alternator and A/C bracket mounting provisions. Has vacuum taps off Manifold runners. Uses cable bracket P/N 20-101 for GM 700R4 transmission. Extra installation hardware included.

Product Features:

High Rise Dual Plane Design
Holley Pro-Jection Tbi Mounting Flange
Erg Provisions

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$819.99

Product Features:

Great For Street Machines/Street Rods/Muscle Cars
Two Piece Design
Individual D-Shaped Runners
Optimized For Broad Power Range/Large Plenum Area
Can Be Used For Blow-Through Superchargers
Fully CNC Machined For A Perfect Fit
No Exhaust Crossover

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$595.99

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
Computer Chip Available – Return Card in Packaging
Accepts All Factory Accessories
Not for Vehicles with Flash Memory Computer
Gains 6/10s of a Second in 10 to 70 MPH
Stock Throttle Body Remains in Stock Position

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$435.99

Product Features:

High Rise/Dual Plane Design For Maximum Torque
Fully CNC Machined For A Perfect Fit
Square Bore Carburetor Flange
Exhaust Crossover For Improved Street Drivability
Permanent Mold Casting Process
Lighter/Smoother/Better Looking
More Consistent Castings

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$286.99

Product Features:

2000-6500 RPM Power Band
Single Plane/Open Plenum Design
No Provision For Divorced Or Hot Air Choke
Square Flange Carburetor Mounting

Best-Selling 1991 GMC C2500 Performance Engine Intake Manifold Gaskets

Upgrade your C2500 with one of our 5 best-selling Performance Engine Intake Manifold Gaskets.

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from

$27.99

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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$47.49

Mr. Gasket Performance Intake Gaskets are manufactured from cellulose/nitrile composition gasket material. They provide excellent sealing and durability. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track.

Product Features:

Manufactured from cellulose/nitrile composition gasket material.
Provides excellent sealing and durability.
Can be trimmed if necessary for modified port applications.
Complete with manifold end seals and distributor gasket.
For OE replacement, high performance street, drag race and oval track use.

from

$60.99

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
Creates Tight Leak proof Seal

from

$49.99

Mr. Gasket Performance Intake Gaskets are manufactured from cellulose/nitrile composition gasket material. This is a low density material that conforms well to irregular surfaces and has very good crush resistance at high flange pressures. They provide excellent sealing and durability as the material is designed for sealing gasoline, oils, water and coolant in applications up to 350 degrees Fahrenheit. While die-cut for an excellent fit, they can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track.

Product Features:

Manufactured from cellulose/nitrile composition gasket material
Provides excellent sealing and durability
Die-cut for an excellent fit
Can be trimmed if necessary for modified port applications
For OE replacement, high performance street, drag race and oval track use

from

$28.99

Product Features:

Clean Positive Seal
Embossed Silicone Bead Surrounding The Port
Matched To Manifolds And Cylinder Heads

Top-Quality Performance Engine Cylinder Head Gaskets for 1991 GMC C2500s

Choose a high-quality OEM or aftermarket Performance Engine Cylinder Head Gasket for GMC C2500s and enjoy top-notch performance from $42.49.

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from

$42.49

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

Product Features:

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

from

$44.99

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

Product Features:

Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
Raises combustion sealing force to roughly three times that of standard head gaskets.
Steel wire rings for the greatest combustion seal strength.
Not intended for use in emission controlled vehicles.

from

$64.99

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

Product Features:

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

from

$51.99

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

Product Features:

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

from

$53.99

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:

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
SUPERIOR SEAL – Precise embossed Printo seal sealing beads at all vital areas to eliminate leak paths
STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

from

$81.99

Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.brbrGasket Bore 4.130 inch, Compressed thickness 0.055 inch

Product Features:

Five layer (graphite core/perforated steel outer layers) composite construction
Graphite core is excellent transfering heat away from hot spots in head preventing gasket burn-out.
Provides excellent stability, compressibility and high temperature endurance
Coated with high temperature silicone to ensure sealing of engine fluids
Will not brinell (indent) aluminum cylinder heads
For high performance street, drag race and oval track use
Compatible w/High Octane Fuel
Compatible With Exotic Fuel

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$139.99

Product Features:

Head: 4.370″ Bore/0.039″ Thick/9.70cc Vol.
Intake: 1.82″x2.54″ Port/.060″ Thick
Exhaust: 1.940″ Round Port
5/16″ Valve Cover
Multi Piece Configuration

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$113.99

Edelbrock part No. 7375 head gasket is intended for late model Gen V and VI Big Block Chevrolet engines. This gasket comes in a set.

Our Top Pick for a 1991 GMC C2500 Performance Water Outlet Gasket

Invest in a durable Performance Water Outlet Gasket for your 1991 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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from

$9.99

This is a high quality gasket that will seal that leaking water neck, and provide you with years of service. This gasket works well in all applications.

Product Features:

Made From Cellulose/Nitrile Composition
Provides Excellent Sealing And Durability
These Gaskets Are Die Cut For a Precision Fit
Fits Small Block Chevy V8 Engines 1955-’90
Fits Big Block Chevy V8 Engines 1965-’90
Fits Small Block Chrysler 318/360 1979-’92
Fits Small Block Chrysler 3.9L/5.2L/5.9L Magnum 1992-’03

Top-Rated Performance Engine Valve Cover Gasket Sets for 1991 GMC C2500s

Make a smart move for your 1991 GMC C2500 with products all priced from $23.99 to $51.99.

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from

$31.99

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

Product Features:

Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
Not intended for use in emission controlled vehicles.

from

$51.99

These are high quality gaskets that works well on those hard to seal applications. The low density fiber & rubber blend gasket material seals those minor head imperfections with a low clamp force. At .312 inch, the extra thickness can also offer slightly more clearance for roller rockers. Ideal for all those high performance applications where you take the valve covers off and on a lot, and sticking is a problem.brbrFits all 1965-2000 Chevy Big Blocks: 366,396,402,427,454 including GM (General Motors) Gen VI Crate Engines like the 502 and 572.

Product Features:

These Are A Cork Rubber Blend
Extra Thick 5/16 In Creates Positive Seal
Also Available In Standard Thickness
For OE Replacement And High Performance Apps

from

$33.99

Spectre’s Valve Cover Gasket is designed using extra thick rubber and a steel reinforced core. Engineered for optimum fit and function, this valve cover gasket provides superior sealing and stops leaks.

Product Features:

Extra thick rubber
Steel core reinforced
Superior sealing
Stops leaks

from

$23.99

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

Product Features:

Die cut silicone rubber gaskets conform to out-of-flat covers
Great for on-again/off-again situations
Not intended for use in emission controlled vehicles.

from

$42.99

Manufactured from high-density cork/rubber blend gasket material
A black latex rubber coating is applied to the outside of gasket to help seal minor flange irregularities and eliminate the possibility of oil leakage
Creates a positive seal by controlled swelling of the gasket material when exposed to hot engine oil.
For OE replacement, high performance street, drag race and oval track use.
.187″ thick for additonal valve train clearance
Handles Ex Flange Pressure
Forms Leak Proof Seal
Black Latex Coating

from

$25.99

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

Product Features:

Die cut silicone rubber gaskets conform to out-of-flat covers
Great for on-again/off-again situations
Not intended for use in emission controlled vehicles.

from

$24.99

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

Product Features:

Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
Not intended for use in emission controlled vehicles.

Top-Rated Performance Engine Brands For Your 1991 GMC C2500

When it comes to finding the perfect Performance Engine for your 1991 GMC C2500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Performance Engine brands including FEL-PRO Performance, Spectre, and Competition Cams, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $33.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1991 GMC C2500, providing peace of mind with parts that meet or exceed OEM standards.

Popular FEL-PRO Performance 1991 GMC C2500 Performance Engines

If you’re looking for a top-quality Performance Engine for your 1991 GMC C2500, Advance Auto Parts has exactly what you need with our selection of FEL-PRO Performance Performance Engines. We have 3 FEL-PRO Performance Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $42.49 and an average cost of $50.82, you’ll find the perfect Performance Engine for your needs and budget. FEL-PRO Performance Performance Engines for the 1991 GMC C2500 come highly rated, with over 3 customer reviews and an impressive average rating of 4.2 stars. Choosing a FEL-PRO Performance Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $64.99

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Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

“Have not had a chance to install, but have used FelPro in the past with good results.”

from $44.99

(1)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

“Racing application”

from $42.49

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Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

“Real good products”

Top-Quality Spectre 1991 GMC C2500 Performance Engines

For those in search of a high-quality Performance Engine for their 1991 GMC C2500, Advance Auto Parts offers a great selection of Spectre Performance Engines. With 1 Spectre Performance Engines in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Performance Engines start at just $33.99, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.2 stars, Spectre Performance Engines provide both reliability and excellent performance. Choosing a Spectre Performance Engine from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $33.99

(1)

Valve Cover Gasket Steel/Rubber Bbc

“I really like the rubber/steel design of the gasket.”

FAQs for 1991 GMC C2500 Performance Engines

What are the best-selling Performance Engines for 1991 GMC C2500s?

Out of 171 Performance Engines that fit 1991 GMC C2500s, the following parts are the top sellers:

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (5189543) – $42.49
Bolt Kit Intake Hex Head (22905656) – $10.99
Lower Intake Manifold Gasket Set: 9 Piece Set (19781770) – $27.99

What’s the price range for 1991 GMC C2500 Performance Engines?

The prices of Performance Engines for the 1991 GMC C2500 range from $8.99 up to $1,214.00 for the most premium parts.

What is the average price of a Performance Engine for a 1991 GMC C2500?

The average price for Performance Engines for the 1991 GMC C2500 is $323.71. Keep in mind the variety of part types within our Performance Engine category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Performance Engines for other GMC C2500 model years?

Yes, we carry Performance Engines for 19 model years of GMC C2500s between 1979 and 2000. The following model years are the most popular for Performance Engine purchases: 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, and 1992.

What are the cheapest Performance Engines for my 1991 GMC C2500?

The cheapest 1991 GMC C2500 Performance Engines we carry are:

High Energy 8.684" Long, 3/8" Diameter Pushrod (50289273) – $8.99
Water Outlet Gasket (6120954) – $9.99
Engine Valve Spring (50286657) – $9.99
Bolt Kit Intake Hex Head (22905656) – $10.99
10 Degree Steel Retainer for 26120 Beehive Spring (50289146) – $10.99

Does Advance Auto Parts sell Performance Engines for any other 1991 GMC models?

Yes. We stock Performance Engines for 19 other popular 1991 GMC models. Some of the most popular are 1991 Jimmy Performance Engines, 1991 K2500 Performance Engines, 1991 K1500 Performance Engines, 1991 C1500 Performance Engines, and 1991 Sonoma Performance Engines.

What are the top-rated Performance Engines that fit the 1991 GMC C2500?

The one 1991 GMC C2500 Performance Engine we have in stock is the High Energy 8.684" Long, 3/8" Diameter Pushrod. It costs $8.99.

What types of Performance Engines do you sell for my 1991 GMC C2500?

As of 3/1/26, these are some of the most in-demand types of Performance Engines for a 1991 GMC C2500:

Can I get help with 1991 GMC C2500 Performance Engine orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Performance Engines and more.

What is your return policy for GMC C2500 Performance Engines?

Advance Auto Parts keeps returns simple. For new GMC C2500 Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1991 GMC C2500 Performance Engines

Spectre – Bolt Kit Intake Hex Head (Part No.4652)

Mr. Gasket – High Performance Thermostat (Part No.4365)

Edelbrock – Pushrod Set for S/B Chevy (Part No.9630)

Edelbrock – Replacement Timing Cover Gasket #4243 For SB Chevy, Fits 2-Piece Part #4242 (Part No.4243)

Mr. Gasket – Ultra Seal: Intake Gasket (Part No.5818)

Mr. Gasket – Water Outlet Gasket (Part No.740C)

Competition Cams – Xtreme Energy 224/230 Hydraulic Flat Cam (Part No.11-242-3)

Mr. Gasket – Rear Main Seal Gasket (Part No.1960)

Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.7845)

Edelbrock – Small Block Chevy Street Tunnel Ram Polished (Part No.71101)

Edelbrock – Performer Small-Block Chevy Cylinder Head 64cc Hydraulic Flat Tappet (Part No.60909)

Competition Cams – TIMING SET, HIGH TECH SMALL BLOCK CHEVY 1 EA (Part No.3100)

Mr. Gasket – Chrome Dress-Up Kit (Part No.9834)

B & M – Holeshot 3000 (Part No.20413)

Mr. Gasket – Ultra Seal: Valve Cover Gasket Set (Part No.5862)

Edelbrock – Water Pump Cartridge for Small-Block Chevy (Race Style) (Part No.8827)

Competition Cams – XE 218/224 Hydraulic Flat Cam/Lifter Kit (Part No.CL11-238-3)

Competition Cams – Valve Seals, O-Ring 11/32" 1 St (Part No.501-16)

Mr. Gasket – Ultra Seal: Competition Screw-In Rocker Arm Studs (Part No.1074)

Mr. Gasket – Ultra Seal: Screw-In Rocker Arm Studs (Part No.1076)

Edelbrock – Complete Sure Seat Valve Spring Kit for Chevy 396-402-427-454 V8 (Part No.5895)

Edelbrock – Complete Sure Seat Valve Spring Kit for Chevy 262-400 V8 1957-95 (Part No.5794)

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)

FEL-PRO Performance – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.1003)

FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1819)

Mr. Gasket – Ultra Seal: Oil Pan Gasket (Part No.5884)

Competition Cams – 10 Degree Superlock Steel Retainer for 1.250" OD Valve Spring (Part No.750-1)

Edelbrock – Performer Series Retainer (Qty 16) (Part No.9731)

Mr. Gasket – Intake Manifold Bolts (Part No.955G)

Edelbrock – Performer T.B.I. Intake Manifold Small-Block Chevy (Part No.3704)

Holley – Manifold; SBC Early DP TBI EGR (Part No.300-49)

Weiand – Stealth Ram; Intake Manifold (Part No.7540)

Edelbrock – Performer Small-Block Chevy 4.3L T.B.I. V6 Intake Manifold (Part No.3713)

Weiand – Stealth; Intake Manifold (Part No.8018)

Weiand – X-CELerator; Intake Manifold (Part No.7547-1)

FEL-PRO Performance – Lower Intake Manifold Gasket Set: 9 Piece Set (Part No.1212)

Mr. Gasket – Intake Gasket (Part No.116)

Mr. Gasket – Gskt Intake (Part No.5812)

Mr. Gasket – Intake Gasket (Part No.143)

Edelbrock – Intake Manifold Gasket for 1991 & Later Rectangular port 454 B/B Chevy (Part No.7202)

FEL-PRO Performance – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.1003)

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1037)

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1010)

FEL-PRO Performance – Stainless steel core laminate Engine Cylinder Head Gasket (Part No.1047)

Mr. Gasket – Ultra Seal: Head Gasket (Part No.5799G)

Edelbrock – Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for Chevrolet (Part No.7362)

Edelbrock – Cylinder Head Gasket Set for Chevrolet (Part No.7375)

Mr. Gasket – Water Outlet Gasket (Part No.740C)

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1603)

Mr. Gasket – Ultra Seal: Valve Cover Gasket Set (Part No.5863)

Spectre – Valve Cover Gasket Steel/Rubber Bbc (Part No.586)

FEL-PRO Performance – PERFORMANCE VALVE COVER GASKET SET (Part No.1602)

Mr. Gasket – Ultra Seal: Valve Cover Gasket Set (Part No.5862)

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1605)

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1606)