Piston Kit 83.00/Std 8.6:1 Yam

Features:

• All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.
• Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of today’s cylinder bore compositions
• Wiseco’s state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today’s market place.

Fits:
Yamaha_YFM400 Big Bear 2WD [SRA] 2000 to 2004
Yamaha_YFM400FA Kodiak 4WD [SRA] 1993 to 1999
Yamaha_YFM400FB Big Bear 4WD [SRA] 2000 to 2006
Yamaha_YFM400FBI Big Bear 4WD [IRS] 2007 to 2012