Wiseco 802M06640 Piston Kit (Single Ring) - Standard Bore 66.36mm shop-pit-boards Dynamometer comparisons show gains of

Dynamometer comparisons show gains of 4 horsepower over chain drive camshafts

1995 Kawasaki KAF620 Mule 2510 4x4

2000-2002 Buell S3T Thunderbolt

1981-1983 Yamaha XJ550R Seca

2010-2011 Arctic Cat Prowler XT 550

Wiseco 802M06640 Piston Kit (Single Ring) - Standard Bore 66.36mm shop-pit-boards Dynamometer comparisons show gains ofBore: 66. 36mm Compression: Standard Compression Sizing: Standard Bore SPECIFICATIONS. Displacement: 249. 3cc. Bore Standard: 64. 40mm. Bore Actual: 66. 40mm. Bore Oversize: STD. Stroke: 72. 00mm. Note: Racers Choice. Note: Single Ring. ITEM CONTENTS. 2614CS 66. 40 mm Ring. CW18 ROUND WIRE PIN LOCKS 18MM (PAIR). S508 PistonPin 18mm x 2. 106in. NonChromed TW All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior