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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

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

• Sintered Pads are best for regular riding. Long life, and good performance in all conditions
• Sport Carbon pads are made for fast riding in dry conditions. Not recommended for mud, water, or sand
• Race Sintered are designed for racing use

• Increased air flow over the stock air filter
• Designed to increase horsepower and throttle response
• Designed to fit inside the factory air box
• Larger surface area over foam filters which offers longer service intervals in dusty conditions
• Four layers of premium cotton gauze provides outstanding filtration
• Washable & re-usable, never wears out
• One filter will last the lifetime of your bike

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.