Wiseco 519M05500 Piston Kit - 1.00mm Oversize to 55.95mm chemical-engine-oil-0w70 OEM #11188

OEM #11188

Without the 20S main module

2004 E-TON Viper 50

2017-2021 Yamaha YXZ1000R SS SE

EXO-COM Included

Wiseco 519M05500 Piston Kit - 1.00mm Oversize to 55.95mm chemical-engine-oil-0w70 OEM #11188Bore: 55. 95mm Compression: Standard Compression Sizing: 1. 00mm Oversize SPECIFICATIONS. Displacement: 128cc. Bore Standard: 54. 00mm. Bore Actual: 55. 00mm. Bore Oversize: 1. 00. Stroke: 54. 00mm. ITEM CONTENTS. 2165CD 55. 00 mm Ring Set. CW14 ROUND WIRE PIN LOCKS 14MM (PAIR). S485 PistonPin 14mm x 1. 782in. NonChromed SW All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved