Dirt Bike

 Stage 1: Dual cam engine. Intake and exhaust cams sold separately. Increases bottom and midrange power for improved snap. Comes with adjustable sprocket. Uses stock valve springs.

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

 Stage 1: Dual cam engine. Intake and exhaust cams sold separately. Increases bottom and midrange power for improved snap. Cam includes auto-decompressor mechanism. Uses stock valve springs.

 Stage 3: single-cam motor. Significantly more top-end power and great over rev. Uses stock auto decompression mechanism. Uses stock valve springs

Stage 1: single-cam motor. Stage 1 has improved power at all RPMs over OEM. Performs well with stock air box lid and exhaust. Uses stock valve springs and rockers. Uses stock auto-decompression mechanism.

Hot Rods Bottom End kits include everything needed to complete crankshaft installation:Hot Rods main bearings and seals kit (Main seals included when applicable)Complete engine gasket set includes all gaskets and seals for complete engine rebuild (Does...

Complete gasket sets are OEM replacements, including all necessary engine gaskets, O-rings and valve guide seals to rebuild a complete engine

Complete gasket sets are OEM replacements, including all necessary engine gaskets, O-rings and valve guide seals to rebuild a complete engine

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...

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...

All new assembly sold complete with Hot Rods connecting rodFactory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performanceReady for installationCrankshaft is completely rebuildable with genuine Hot Rods...

All new assembly sold complete with Hot Rods connecting rodFactory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performanceReady for installationCrankshaft is completely rebuildable with genuine Hot Rods...