1990 Pontiac Firebird Performance Engines

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

Edge molded rubber water outlet gasket is reusable, great for engines that require regular disassembling for maintenance. Incorporates solid aluminum carrier for strength and rigidity. Can be used with OE replacement or aftermarket chrome water outlets. Requires no gasket sealer.

Product Features:

• Edge Molded Rubber Water Outlet Gasket Is Reusable
• Requires No Gasket Sealer
• Solid Aluminum Carrier For Strength/rigidity
• Reusable – Ideal for Engines That Are Frequently Taken Apart & Reassembled

Product Features:

• For Idle to 5500 RPM Street-Driven Performance
• Dual-Plane Low-Rise Intake w/180 deg. Firing Order
• Patented Runner Design Ensures Broad Torque Curve
• Excellent Throttle Response and Mid-Range Power
• 50-State Street Legal if Correct Carburetor Used

This Mr. Gasket Water Pump Bolt Set includes chrome plated grade 5 hex head fasteners and AN style washers to install the water pump on your small block Chevrolet with the short style water pump. AN washers have no exposed shoulder which offers a professional appearance. Includes one 3/8 inch-16 x 2-1/2 bolt, three 3/8 inch-16 x 1-3/4 inch bolts, and four 3/8 inch AN washers.

Product Features:

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

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 160 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

Reduced Travel OE-Style Hydraulic Roller Lifter for ’87+ SBC, LT/LS and V6

Magnum 1.52 Rocker and HE Pushrod Kit for Chevrolet 262-400 Small Block

Mr. Gasket Steel Shim Cylinder Head Gaskets are for high performance street machines, drag racing and oval track racing. With today’s extreme compression ratios you need stronger more durable gaskets. Mr. Gasket steel shim gaskets are made from .020 inch steel shim stock which is thinner than most composite gaskets increasing engine compression. Stress formed embossments will seal the extreme cylinder pressure.

Product Features:

• Manufactured from .020″ steel shim stock.
• Thinner than composition head gaskets – increases engine compression.
• Stress formed embossments seal extreme cylinder pressures.
• For high performance street, drag race and oval track use.

The COMP Cams 08-300-8 Magnum Hydraulic Roller Camshaft is marketed as a performance upgrade for small block Chevy engines, delivering strong mid-range torque, crisp throttle response, and reliable street/strip versatility.

Magnum 7.200" Long, .080" Wall, 5/16" Diameter Pushrod Set

Raised 1 Piece Guide Plate For Chevrolet Small Block With 5/16" Pushrod 7/16" Stud

This is a high quality bolt set that is made of grade 8 steel and will meet your requirements for a quality bolt set, this set will work on original equipment, high performance street, drag or circle track applications.

Product Features:

• Has A Zinc Dichromate Finish
• Made Of High Quality Grade 8 Steel
• Has A Tall Hex Head To Prevent Wrench Slipping Off
• Extra Thick Parallel Ground Washer
• Washer Provides More Accurate And Uniform Torque

Holeshot 2400 for GM 1998 to 2002 4L60E Camaro and Firebird with an LS1 engine Application: GM 1998 to 2002 4L60E Camaro and Firebird with LS1 A higher than stock stall speed as delivered by the Holeshot converter will provide several advantages and benef

Product Features:

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

The Holeshot Converter is a very good choice for the typical street machine that is looking for better launch capability and more strength. With a furnace brazed turbine, New turbine hub and dual pattern drive lugs on some GM Holeshots.

Product Features:

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

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

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.

Manufactured from cellulose and 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 OE replacement, high performance street, drag race and oval track.

Product Features:

• Made of high temp silicone or nitrile blend rubber
• Torque limiters to prevent over tightening
• One piece molded rubber
• Fits left and right hand dipsticks

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

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

SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy Computer Controlled: Great in throttle body, crossfire or carbureted engine and 305 TPI.

Product Features:

• Cam and lifter kit for Small Block Chevy engines
• CL-Kit includes cam, lifters, assembly lube, instructions and decals
• 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
• Valve spring upgrade required

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.

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.

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.

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.

With a .625″ maximum lift, these Beehive Valve Springs were designed for hydraulic roller cams in LS1, LS2 and LS6 engines. COMP Cams Beehive Valve Springs deliver increased valve train stability and a much lighter valve train. This is achieved with less spring pressure for better valve control and reduced weight of both the spring and retainer. The unique Beehive shape handles valve train stress more efficiently to eliminate damaging harmonics and increases high RPM horsepower and durability. The oval/multi-arc wire shape places the maximum area of the wire at the point of highest stress to handle valve train stress more efficiently and allow better heat dissipation for longer life. Because of the unique Beehive design, the valve train can handle more RPM and more aggressive cam profiles.

Product Features:

• Seat pressure: 125 lbs. at 1.800″, Open Pressure: 367 lbs. at 1.150″
• O.D.: 1.075″ (Top) 1.310″ (Bottom), I.D.: .650″ (Top) .885″ (Bottom)
• Designed for hydraulic roller cams
• .625″ maximum lift, 1.310″ O.D.
• Originally designed for LS engine applications but will work in 5.7L Hemi engines and many others

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

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

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.

Ultra-Seal is Mr. Gasket premium valve cover gasket material. It’s manufactured from a high density cork and rubber blend with a black latex coat applied to the outside to help seal minor flange irregularites and eliminate oil leakage. It creates a positive seal by controlled swelling of the gasket material when exposed to hot oil. For original equipment replacement, high performance street, drag race and oval track use. Sold as a pair, these gaskets are .187 inch thick.

Product Features:

• Manufactured from high-density cork /rubber blend gasket material
• A black latex rubber coating is applied to 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
• .187″ thick
• Handles Ex Flange Pressure
• Forms Leak Proof Seal
• Black Latex Coating

Mr. Gasket Performance Valve Cover Gaskets are high-density cork/rubber blend gaskets that use evenly sized cork particles distributed evenly throughout the rubber binder. The result is a compressible valve cover gasket without leak paths. These gaskets create a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Provides excellent flange sealing and durability. For original equipment replacement, high performance street, drag race and oval track use. These gaskets are .312 inch thick. That’s substantially thicker than stock which can allow for additional valve train clearance. Fits Chevrolet 262,265,267,283,307,327,350,400 Gen I Small Block with Perimeter Bolt Valve Covers.

Product Features:

• Provides Excellent Flange Sealing And Durability
• For High-Performance Street, Drag Race & Oval Track Use