Wiseco 4798M04050 Piston Kit - 1.50mm Oversize to 41.96mm, 11:1 Compression engine-engine-covers-water-pump-covers Easy to install - Direct

Easy to install - Direct bolt on replacement

1978-1982 Kawasaki KL250

2007-2008 Yamaha YFM450 Grizzly 4x4 Auto

Comfort liner and quick release cheek pads are made of

2010-2011 KTM 450 EXC-R

Wiseco 4798M04050 Piston Kit - 1.50mm Oversize to 41.96mm, 11:1 Compression engine-engine-covers-water-pump-covers Easy to install - DirectBore: 41. 96mm Compression: 11: 1 Compression Sizing: 1. 50mm Oversize SPECIFICATIONS. Displacement: 53. 3cc. Bore Standard: 39. 00mm. Bore Actual: 40. 50mm. Bore Oversize: 1. 50. Stroke: 41. 40mm. Compression Ratio Actual: 11: 1. Note: Cylinder boring required. ITEM CONTENTS. 4050XZ 40. 50 mm Ring Set . 8 X . 8 X 2. 0mm. CW13 ROUND WIRE PIN LOCKS 13MM (PAIR). S671 PistonPin 13 x 29. 75mm NonChromed TW All Wiseco Pistons are forged from high silicon,