Wiseco 4676M08350 83.50mm 8.6:1 Compression ATV Piston Kit
Forged from high-silicon aluminum alloy for maximum strength and dependability
Durability, longevity and increased horsepower
Innovative forging design and piston skirt provide maximum horsepower and torque
All Wiseco High-Performance Motorcycle Pistons are priced with rings and circlips
This Item Fits the Following Applications:
2001-2004 Yamaha YFM400 Big Bear 2x4
2000-2005 Yamaha YFM400 Big Bear 4x4
1993-1999 Yamaha YFM400F Kodiak 4x4