from

$32.09

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

Product Features:

Features 12-point Smaller-than-standard Bolt Head
Thick Flat Washers Distribute Optimum Clamp Load
Ideal Use Where Space Is Minimal On Race Manifolds
Bolts And Washers Zinc Plated For Protection
Zinc Plated For Protection

from

$463.99

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

from

$25.99

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 sixteen (16) 3/8 inch-16 x 1-1/4 inch bolts & washers

Product Features:

Zinc plated Grade 5 steel
Flat washers provide uniform clamp load and prevent galling on aluminum intake manifolds
Ideal For Minimal Space
12-Point Head And Flange
Zinc Plated For Protection

from

$42.99

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

Product Features:

Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longivity.
Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
Not intended for use in emission controlled vehicles.

from

$21.49

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

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for repair applications
Unsurpassed quality you can trust
Validated for fit, form, and function

from

$27.49

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

$23.49

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

$369.99

HoleShot 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) Application: HoleShot 2000 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

from

$766.99

Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers.

Product Features:

2800-3200 RPM
Small And Big Blocks
Serious Performance
Furnace Brazed
Fully Balanced

from

$665.99

Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers.

Product Features:

3400-3800 RPM
Small And Big Blocks
Serious Performance
Furnace Brazed
Fully Balanced

from

$376.99

An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts. Ideal for use with higher compression ratio engines that

Product Features:

Best with aftermarket torque converters and 9.5:1 compression.
Great high RPM power.
Easy on valve train parts.
Can be used with mild ratio rocker arms and traditional performance valve springs.

from

$323.99

Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications. Offering

Product Features:

Good blend of efficiency and performance.
Perfect choice for performance street rebuilds.
Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.

from

$321.99

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

Product Features:

Cam and lifter kit for Small Block Chevy engines
CL-Kit includes cam, lifters, assembly lube, instructions and decals
HYDRAULIC – Xtreme Energy: Pro Street/bracket, needs good intake, headers, gear and 3300+ stall.
294/306 Advertised Duration, 250/256 Duration @ .050″, .519″/.523″ Lift, 110 Lobe Separation
Valve spring upgrade required

from

$72.99

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

$62.99

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

$52.99

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

$26.49

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.

from

$64.99

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

Product Features:

Rigid core, molded silicone rubber gaskets utilize the one-piece molded rubber technology for a perfect fit, ease of installation and include compression limiters to prevent overtightening.
Not intended for use in emission controlled vehicles.

from

$27.49

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.

from

$27.49

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

from

$44.99

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

Product Features:

DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted

from

$27.99

Edelbrock part #7209 Intake Gaskets for 1985-1995, Chevy V6 200-229-262 (3.8 and 4.3L) allow for optimum flow and performance. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. The new MP-

Product Features:

1.28″x2.10″
Stock Port Style
.060″ Thick
Multi Piece Configuration
Composite Material

from

$20.29

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

Product Features:

Steel core gasket construction
Exclusive design permits significantly faster gasket installation while eliminating potential sealing leak paths.
Not intended for use in emission controlled vehicles.

from

$247.99

An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts. Ideal for use with higher compression ratio engines that

Product Features:

Best with aftermarket torque converters and 9.5:1 compression.
Great high RPM power.
Easy on valve train parts.
Can be used with mild ratio rocker arms and traditional performance valve springs.

from

$518.99

Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications. Offering

Product Features:

Good blend of efficiency and performance.
Perfect choice for performance street rebuilds.
Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.

from

$537.99

Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications. Offering

Product Features:

Good blend of efficiency and performance.
Perfect choice for performance street rebuilds.
Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.

from

$276.99

Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts, the Xtreme Energy grind family offers gains in torque and horsepower while still delivering adequate vacuum for power brakes and other vacuum dependent accessories. Xtreme Energy camshafts work great in carbureted applications, but offer the best performance with aftermarket intake manifolds, lower gear ratios, headers and free flowing exhaust.

Product Features:

HYDRAULIC – Xtreme Energy Computer Controlled: Great in throttle body, crossfire or carbureted engine and 305 TPI.
249/260 Advertised Duration, 206/212 Duration @ .050″, .434″/.444″ Lift, 112 Lobe Separation
Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.

from

$587.99

Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series’ early i

Product Features:

Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
Best with aftermarket converters and more rear gear.
Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.

1985 GMC P3500 Performance Engines

More 1985 GMC P3500 Performance Engines

Essential 1985 GMC P3500 Performance Engines

Mr. Gasket – Intake Manifold Bolts (Part No.6091)

Holley – Manifold; SBC Late DP TBI EGR (Part No.300-66)

Mr. Gasket – Intake Manifold Bolts (Part No.957G)

FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2918)

FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2900)

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

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

B & M – Holeshot 2000 (Part No.20416)

B & M – Torque Converter, Nitrous Holeshot 3000 (Part No.20481)

B & M – Torque Converter, Nitrous Holeshot 3600 (Part No.20482)

Competition Cams – Magnum 253/253 Hydraulic Flat Cam and Lifter Kit for Chevrolet Big Block 396-454 (Part No.CL11-214-4)

Competition Cams – CAM & LIFTER KIT, SBC 260H HIGH ENERGY HYD 1 KT (Part No.CL12-206-2)

Competition Cams – Xtreme Energy 250/256 Hydraulic Flat Cam and Lifter Kit Chevrolet Small Block (Part No.CL12-254-3)

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1047)

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.1004)

FEL-PRO Performance – Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set (Part No.1803)

FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1884 R)

FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1818)

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

FEL-PRO Performance – Lower Intake Manifold Gasket Set: 5 Piece Set (Part No.1210)

Edelbrock – Intake Manifold Gasket for 1985-1995, Chevy V6 200-229-262 (Part No.7209)

FEL-PRO Performance – Engine Timing Cover Gasket (Part No.2335)

Competition Cams – CAMSHAFT, BBC 280 MAGNUM HYD 1 EA (Part No.11-208-3)

Competition Cams – CAMSHAFT, SBC 252 HIGH ENERGY HYDRAULIC 1 EA (Part No.12-205-2)

Competition Cams – CAMSHAFT, SBC 268 HIGH ENERGY HYDRAULIC 1 EA (Part No.12-210-2)

Competition Cams – CAMSHAFT, SBC 249 XTREME ENERGY COMPUTER CONTROLLED HYDRAULIC 1 EA (Part No.12-249-4)

Competition Cams – THUMPR CAMSHAFT, SBC 1 EA (Part No.12-600-4)

Popular 1985 GMC P3500 Performance Engines Categories

1985 GMC P3500 Performance Engines

Performance Engines Brands To Make Your 1985 GMC P3500 Last

Popular B & M Performance Engines

Top 1985 GMC P3500 Performance Engines from FEL-PRO Performance

FAQs for 1985 GMC P3500 Performance Engines

What are the most purchased Performance Engines for the 1985 GMC P3500?

What are the top-rated 1985 GMC P3500 Performance Engines?

More Popular Parts for All Makes