Dirt Bike

Forged from high-silicon aluminum alloy for maximum strength and dependability.Innovative forging design and piston skirt provide maximum horsepower and torque.Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless...

Cylinder (10001) by Cylinder Works®. Sold individually. 12.9:1 compression. Bore Style: Standard. Bore Size: 78 mm. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...

All pistons are heat treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeCast piston kits are gravity cast aluminum alloy (not...

Kit contains crankshaft, main bearing/seals and complete gasket set for complete installationFor Models: 1998 - 2000 Kawasaki KX 80

Kit contains crankshaft, main bearing/seals and complete gasket set for complete installationFor Models: 1985 - 2003 Kawasaki KX 602003 Suzuki RM 60

Kit contains crankshaft, main bearing/seals and complete gasket set for complete installationFor Models: 2003 Honda CR 125R

2002 - 2007 Honda CR 250R

1995 - 2005 Kawasaki KX 100, 1991 - 2000 Kawasaki KX 80, 2001 - 2005 Kawasaki KX 85, 2003 Suzuki RM 100

Stage 2: Dual cam engine. Intake and exhaust cams sold separately. Excellent top-end power increase and good over rev. Cam includes auto-decompression mechanism. Uses stock valve springs.

Stage 1: single-cam motor.Stage 1 has improved power at all RPMs over OEM. Performs well with stock air box lid and exhaust.Uses stock valve springs and rockers. Uses 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.

LIGHTWEIGHT RACING VALVE SPRING KITSKibblewhite uses only the highest quality materials for the valve springs and are precisely machined for the best possible fit and durability for your motorcycle or ATV.Kibblewhite valve springs come complete with...