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Increases horsepower and throttle responseInstalls in minutesThird generation technologyNo computer needed to adjust EFIPlug-in technology (Does not interfere with stock ECU map)Integrated faceplate buttons provide easy adjustmentHighly recommended for...

Stage 3: single-cam motorSpecifically designed for Hot Rods big bore/stroker kitNot for stock displacementRequires Hot Cams valve spring kit part number SKYFM660S2Uses stock auto-decompression mechanism

Stage 1: Dual cam engine.Intake and exhaust cams sold separately.No bottom-end loss with strong mid-range to top-end gains.Cam uses stock auto-decompression mechanism.Uses stock valve springs.

Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation+4mm strokeMakes 260cc with stock pistonImportant: Head Chamber area must be machined 2mm deeper to accept longer stroke crankFor 1987 - 1989 Honda TRX...

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...

1999 - 2008 Honda TRX 400EX, 2009 - 2014 Honda TRX 400X

 Stage 2: single-cam motor. More top-end than Stage 1. Requires Hot Cams spring kit part number SKYFM660S2. Uses stock auto-decompression mechanism.

 Stage 1: single-cam motor. Excellent bottom-end and midrange increase. Improved throttle response. Uses stock auto-decompression mechanism. Uses stock valve springs.

 Stage 2: single-cam motor. Excellent midrange and top-end increase. Improved throttle response. Uses stock auto-decompression mechanism. Uses stock valve springs.

Improved peak torque and upper 1/2 RPM horsepower.Same low RPM torque as the stock cam.Stock valve springs are OK.Supplied with decompression mechanism.

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...