Dirt Bike

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.

2187-2IN and 2188-2E when used as a set provide increased mid-top torque and horsepower. Produces more power than the OE cams from 5000 rpm and up with no loss at lower rpm. Produces more power than the stage 1 set from 7000 rpm and up.

Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation+2mm. Makes 103cc*Must machine cylinder headFor Models:1995 - 1997 Kawasaki KX 100

Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation+2mm strokeMakes 88cc*Must machine cylinder headFor Models:2001 - 2005 Kawasaki KX 85

Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation+2mm strokeMakes 88cc*Must machine cylinder headFor Models:2006 Kawasaki KX 85

Kit contains crankshaft, main bearing/seals and complete gasket set for complete installationFor Models: 2003 - 2004 Honda CR 85R2003 - 2004 Honda CR 85RB

Kit contains crankshaft, main bearing/seals and complete gasket set for complete installationFor Models: 1991 - 1997 Kawasaki KX 80

K&L's MC40 heavy duty front end stand features a pendulum type design which keeps the adapters in place for each useAdapters adjust side-to-side for universal fitRemovable handle

Stage 1: single-cam motorExcellent bottom-end and midrange powerUses stock auto-decompression mechanismUses stock valve springs

MakeHonda®ModelCRF™ 250RYear 2008 to 2009TypeRacing Valve Spring KitsMaterialVariousDescriptionIn-0.350" Valve Lift OK 50# Seat Pressure / 145# at .350" liftEx-0.350" Valve Lift OK 50# Seat Pressure / 145# at .350" lift

This cam is intended to be used as a set with the #2221-2E exhaust cam. This set will provide improved torque at all RPM, much improved peak torque and increased peak horsepower.

The first and only asymmetrical piston for 250cc and 450cc applications!100% fully machined billet pistonDyno proven power gainsExclusive custom lapped top ring and matching precision machined ring groove provide improved ring seal and break-inArmorGlide...