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Fully wraps the chain to guide it onto the rear sprocket. Stainless steel hardware, anodized aluminum plate, and plastic buffer for low friction. Saves expensive engine cases.

Black hard anodized alloy sprocket. Machined sprockets made from 7075 T651 aluminum reduces distortion and provides optimal thickness, to extend sprocket and chain life.

ProCycle Rev Box increases the rev limit to 10,000 RPM. In addition, this unit offers a re-mapped timing curve which yields a noticeable increase to horsepower and torque over the stock CDI

This CDI box is a direct plug in replacement CDI. Simply locate and remove the stock CDI, and plug the unit directly into the wiring harness, no modification needed. Suitable for stock and modified machines

Complete big bore kit. Bolt it on and ride!

• Includes a pre-bored, big-finned aluminum cylinder for improved cooling
• Cylinder, rings, piston pin, & clips
• BBR exclusive performance camshaft
• Heavy-duty valve springs
• Rockers with tappet adjusters
• Gasket kit

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

• Bolts are CNC-machined from high-quality aluminum
• Embedded magnet helps keep bolt in place
• Pre-drilled holes make for easy installation of safety wires

• Designed to fit in the factory air box exactly like original filter
• The best selling replacement air filter for competition motorcycles and ATVs
• Unique two stage design allows for easy and complete cleaning
• Dual layer of foam, can be serviced separately
• Thin Ultra Seal base is virtually impossible to tear and has a built-in "Grease Groove"