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All pistons are heat treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeCast piston kits are gravity cast aluminum alloy (not...

 Stage 1: Dual cam engine. Intake and exhaust cams sold separately. Good midrange and top-end increase. Cam uses stock auto-decompression mechanism. Uses stock valve springs.

 Stage 1: Dual cam engine. Intake and exhaust cams sold seperately. Improved mid range gain with great top end gain and over rev. Uses stock valve springs. OE fuel mapping is acceptable, but could be fine tuned

OEM-style statorsDirect plug-in stators complete with all rubbers and OEM-style plug end (unless noted)

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jacketsIncludes Forged piston, rings, clips and pinAthena top-end gasket set includes required seals and hardwareEasy-to-follow step-by-step installation...

Includes crankshaft, main bearings, complete bottom end gasket set, including all seals and gaskets needed for the jobThe crank pin bearings are manufactured from the highest quality hot rolled steel. Case hardened to 58-62CThe caged needle roller...

Affordable premium quality replacement connecting rodsHigh-tech crank and wrist bearingsAISI carburized crank pinSilver-coated crank pin bearingA.E. recommended phosphor bronze thrust washersForged from 8620 AISI steel, hardness-tested to insure strength...

This cam is intended to be used as a set with the #2220-2IN intake cam. This set will provide improved torque at all RPM, much improved peak torque and increased peak horsepower.

The leader in innovation, design and developmentDesigned to provide dependable, efficient operationMade tough to work for you for billions of miles to come Camshaft (4327-2E) by Hot Cams®. Stage 2. Dual-Cam Engine. Intake and exhaust cams sold...

Stage 2: Dual cam engine. Intake and exhaust cams sold separately. Excellent top-end power. Great over rev. Cam uses stock auto-decompression mechanism. Uses stock valve springs.

Stage 1 ITR: Dual cam engineIntake and exhaust cams sold separatelyExcellent low end to midrange gainsUses stock valve springs

Stage 1 ITR: Dual cam engineIntake and exhaust cams sold separatelyExcellent low end to midrange gainsUses stock valve springs