Dirt Bike

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...

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...

4165-2IN and 4166-2E when used as a set provide increased mid-top torque and horsepower. Produces more power than the OE cams from 6000 rpm and up with a slight loss at lower rpm. Produces more power than the stage 1 set from 8000 rpm and up.

2006 - 2013 Kawasaki KX 100, 2006 - 2013 Kawasaki KX 85

1,500 lb capacityLift range 4-1/2in. to 16-1/2in.Tow safety bolts ensure stabilityThree position locking leversNon-slip ribber foot pedalEasy to roll steel swivel casters

The SA-4 head pipe is offered as an option to add to your SA-4 slip on. If you have an existing SA-4 slip on and are looking to add more power and replace your stock head pipe, this is it.TIG welded 304 Stainless steelLarger diameter than stock allowing...

The Big Gun Evo Racing Series was designed to deliver maximum horsepower & torque gains throughout the RPM range. Made from .049 stainless steel tubing & an aluminum muffler canister, the Evo exhaust system is much lighter than stock units...

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

 Stage 2: single-cam motor. Excellent top-end power with great over rev. Uses stock auto-decompression mechanism. Uses stock valve springs.

 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.