Name: Valve Cover Gasket Set
Brand: Mr. Gasket
SKU: 585G
Price: 29.49 USD

from

$29.49

Molded rubber gaskets are reusable, great for engines that require valve lash maintenance. These gaskets feature Nitrile material for long life, solid steel carrier for strength and rigidity. Incorporates compression limiters to prevent fastener over-tightening.

Product Features:

Features Nitrile Rubber Material For Long Life
Molded Rubber Gaskets Are Reusable
Ideal For Engine Requiring Valve Lash Maintenance

from

$32.99

Product Features:

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

from

$26.99

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 180 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

from

$73.99

These grade 8 alloy steel, longer length bolts are designed to compensate for thread length lost when using head bolt washers. This allows increased torque and clamping. Set of 16 does one cylinder head.

Product Features:

Cylinder Head Bolts
Longer-Than-Stock
High Quality Grade 8 Alloy
Increase Torque Settings
Higher Clamp Loads On Gasket

from

$189.99

Product Features:

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

from

$95.99

Valve spring retainers for use OE cast iron heads. Superior quality heat-treated steel. Machined for strength with black oxide finish. Finish ensures rust and corrosion protection.

Product Features:

Valve Spring Retainers for Use OE Cast Iron Heads
Superior Quality Heat-Treated Steel
Machined for Strength with Black Oxide Finish
Finish Ensures Rust and Corrosion Protection

from

$58.99

Chrome water neck with a swivel top allows you to place your coolant hose where you want it to be, not just where the neck allows. Precision die cast for better fitment, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.

Product Features:

Chrome Plated Aluminum
O-ring To Prevent Leaks
Swivels For Hard To Fit Applications
Comes With Allen Head Bolts

from

$39.49

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

$213.99

These Magnum Roller Rocker Arms for Chevy V8 265-400 and V6 200-262 applications are the ultimate street rocker. With a 3/8″ stud diameter and 1.52 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed

Product Features:

Roller tip reduces friction while stiff design and superior ratio accuracy yield more effective valve lift
For applications with less than 350 lbs. of open spring pressure
Constructed from 8620 chromemoly steel, a superior material that will not flex and ensures maximum lift
Ultimate street roller rocker arm designed for serious performance enthusiasts

from

$1014.99

Product Features:

50-State Street Legal Aluminum Cylinder Head
Out-of-the-Box Bolt-On Performance
70cc Combustion Chambers Improve Performance
Retain Stock Compression Ratio

from

$75.99

Finish your custom engine job with these show quality grade 5 chromed 12-point bolts, includes AN washers which have no exposed shoulder for a professional appearance. Includes (12) 3/8-16 x 1 inch bolts with (12) 3/8 inch AN washers.

Product Features:

Chrome plated
Grade 8
12-point head
AN washers with no exposed shoulder for a professional appearance

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

$17.79

Big Block Chevrolet tubular head dowel, .638/.639 inch o.d. (outer diameter) by 1/2 inch. Packaged two per set. These hard to find dowel pins are precision machined then case hardened for accurate alignment in engine assembly.

Product Features:

Precision Machined
Case Hardened
Give Accurate Alignment
2 Per Set

from

$80.99

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 black oxide coated. 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

from

$17.99

Replacement gasket for top to bottom. See PN(7110) complete. PN(7067) bottom. PN(7032) top. Includes base and top for intake manifold PN(7110).

Product Features:

Replacement Gasket for Top to Bottom
See PN[7110]Complete; PN[7067]Bottom; PN[7032] Top

from

$29.99

Product Features:

Timing Chain Only

from

$1322.99

BIG BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Big Mutha’ Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.

Product Features:

Cam and lifter kit for Big Block Chevy engines
CL-Kit includes cam, lifters, assembly lube, instructions and decals
HYDRAULIC – Big Mutha’ Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
295/312 Advertised Duration, 243/257 Duration @ .050″, .522″/.507″ Lift, 107 Lobe Separation
Valve spring upgrade required

from

$334.99

Product Features:

Designed for Optimum Torque and Acceleration
Maximum Performance From Idle through Mid-Range
Matched to Edelbrock Performer Intakes
Includes Hydraulic Lifters and Assembly Lube
Major Improvement in Throttle Response and Torque
Use For Daily Drivers/Trucks/Vans/RVs/4x4s
Take The Guesswork Out Of Camshaft Selection

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

$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.

from

$215.99

Weiand’s light weight, performance aluminum mechanical Action-Plus water pumps give a weight saving of 30 percent to 50 percent over stock cast-iron pumps. These pumps feature a premium quality bearing and seal that have twice the load capacity of stock pumps. Weiand’s exclusive housing counter bore keeps the bearing form walking out. All pumps are designed with the necessary bracket bosses and water connections to fit popular street applications.

Product Features:

Twisted Snout Water Pump Design For Updated Style
Street Performance
Heavy Duty Shaft w/5/8 in. Pilot
Six-Blade Stamped Steel
Anti-Cavitation Impeller
100 Percent Leak Tested

from

$32.99

This Mr. Gasket Water Pump Bolt Set includes chrome plated grade 5 hex head fasteners to install the water pump on your small or big block Chevrolet with the long style water pump. Includes four 3/8 inch-16 x 2 inch bolts with four 3/8 inch AN washers. AN washers have no exposed shoulder which offers a professional appearance.

Product Features:

Chrome Plated
Grade 5
AN washers with no exposed shoulder for a professional appearance

from

$31.99

Edelbrock part #6998 Front Timing Cover Gasket set for Big-Block Chevy. Includes front cover gasket and front seal.

Product Features:

Includes replacement timing cover and water pump gaskets and the crank oil seal for big block Chevrolet engines
Features a tough, scuff-resistant silicone rubber coating
Helps in sealing without the engine warming up
Reduces fluid migration through the gasket
Resists fatigue

from

$30.19

If you are changing your camshaft or replacing the timing set, make sure to replace this seal at the same time! Made from Nitrile rubber.

Product Features:

Nitrile Rubber And High Density Cork
Will Not Shrink Or Stick

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

$23.99

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

from

$258.99

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,

Product Features:

Excellent performance in street carbureted applications.
More vacuum allows an increase in duration for improved performance and assists power brakes.
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

$522.99

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.

1975 GMC G25 Performance Engines

More 1975 GMC G25 Performance Engines

Essential 1975 GMC G25 Performance Engines

Mr. Gasket – Valve Cover Gasket Set (Part No.585G)

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

Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

Mr. Gasket – Ultra Seal: Cylinder Head Bolts (Part No.941G)

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

Edelbrock – Performer Series Retainer (Qty 16) (Part No.9721)

Mr. Gasket – Water Neck (Part No.9141G)

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

Competition Cams – MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST (Part No.1412-16)

Edelbrock – RPM Small-Block Chevy Cylinder Head SBC 70cc Hydraulic Flat Tappet Cam (Part No.60759)

Mr. Gasket – Intake Bolt Kit (Part No.5003)

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

Mr. Gasket – Cylinder Head Dowel Pins (Part No.4377)

Edelbrock – Sure Seat Valve Springs for Big-Block Chevy 396-402-427-454 V8 (Part No.5862)

Edelbrock – Intake Manifold replacement base to top gasket (Part No.6999)

Edelbrock – TIMING CHAIN (Part No.7844)

Competition Cams – Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Chevrolet Big Block 396-454 (Part No.CL11-602-4)

Edelbrock – Performer-Plus Camshaft Kit for 1957-86 Small-Block Chevrolet (Part No.2103)

FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1804)

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

Weiand – Action Plus Water Pumps (Part No.9208P)

Mr. Gasket – Bolt Water Pump (Part No.4998)

Edelbrock – Front Timing Cover Gasket Set #6998 For Big-Block Chevy, With Front Seal (Part No.6998)

Mr. Gasket – Timing Cover Seal (Part No.17)

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

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

Competition Cams – CAMSHAFT, SBC 284 XTREME ENERGY HYDRAULIC 1 EA (Part No.12-250-3)

Competition Cams – CAMSHAFT, SBC 291 MUTHA THUMPR HYDRAULIC ROLLER 1 EA (Part No.12-601-8)

Popular 1975 GMC G25 Performance Engines Categories

1975 GMC G25 Performance Engines

Performance Engines Brands To Make Your 1975 GMC G25 Last

Popular B & M Performance Engines

Top 1975 GMC G25 Performance Engines from Mr. Gasket

FAQs for 1975 GMC G25 Performance Engines

What are the most purchased Performance Engines for the 1975 GMC G25?

What are the top-rated 1975 GMC G25 Performance Engines?

More Popular Parts for All Makes