Wiseco 40123M08300 Piston Kit - Standard Bore 82.95, 12:1 Compression

Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!Bore: 82.95mm Compression: 12:1 Compression Sizing: Standard BoreSPECIFICATIONS. Displacement: 357cc. Bore - Standard: 83.00mm. Bore - Actual: 83.00mm. Bore - Oversize: STD. Stroke: 64.50mm. Cylinders: 1. Compression Ratio - Actual: 12:1 CR. Skirt Coating: ArmorGlide. Note: Cylinder boring required. ITEM CONTENTS. 3268XC - 83.00 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.2007-2014 Yamaha YFM350 Grizzly 4x4 Auto 2007-2012 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