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Heavy-duty springs help prevent clutch slip in high-performance motors.

• Custom wound from chrome-silicon wire
• Preset for long life
• Higher spring seat pressure to resist clutch slip

These valve springs are required when using the BBR High Performance camshaft for the CRF150/230F.

• Built from the highest quality chrome-silicon wire
• Fully shot-peened and preset for long life

• Allows precise valve lash adjustment without disturbing the setting when the lock nut is fastened
• Knurled knob on adjuster drivers ensure a precise and secure grip
• Integrated repositionable wrench handle holds the lock nut while the drivers are used to loosen or tighten the valve adjustment screw

Set includes:

• (1) 10mm steel socket wrench
• (1) 3mm square tappet adjuster

A 'wrench style' tool to turn the 'square top' tappet screws. The wrench does a better job of holding the adjuster screw still while tightening the locknut. Slim and flat, this tool is easy to carry in a tool pack.

High performance camshaft for the CRF150F 03'-05' and CRF230F. Higher lift and duration than stock.

• Adds 1+ HP to fully modified motor
• Makes more aggressive race-style of power
• Bike still starts easily and idles smooth

CRF230F 240cc Kit:

• 67mm piston, pin, clips, and rings
• New (not reground) high-performance camshaft
• Includes heavy-duty valve springs
• Includes head and base gaskets
• Requires boring of your stock cylinder to fit the new piston