Wiseco 4419M08350 Piston Kit - 0.50mm Oversize to 83.95mm, 10.25:1 Compression

Bore: 83.95mm
Compression: Standard Compression
Sizing: 0.50mm Oversize

SPECIFICATIONS.
Displacement: 353cc.
Bore - Standard: 83.00mm.
Bore - Actual: 83.50mm.
Bore - Oversize: 0.50mm.
Stroke: 64.50mm.
Cylinders: 1.
Compression Ratio - Actual: 10.25:1.
Note: Cylinder boring required.
ITEM CONTENTS.
3287XC - 83.50 mm Ring Set.
CW19 - ROUND WIRE PIN LOCKS 19MM (PAIR).
S376 - PistonPin 19mm x 2.500in. NonChromed SW

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 todays cylinder bore compositions. Wisecos 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 todays market place.

Vehicle Fitment:

2007-2014 Yamaha YFM350 Grizzly 4x4 Auto
2007-2012 Yamaha YFM350 Grizzly Auto
2014 Yamaha YFM350 Grizzly Auto
2007-2012 Yamaha YFM350 Grizzly IRS 4x4 Auto
2004-2013 Yamaha YFM350 Raptor
2006-2009 Yamaha YFM350 Wolverine
1987-1995 Yamaha YFM350ER Moto-4
1995-2005 Yamaha YFM350F Wolverine 4x4
1987-1999 Yamaha YFM350FW Big Bear 4x4
1997-1999 Yamaha YFM350U Big Bear 2x4
1987-2004 Yamaha YFM350X Warrior