Wiseco 40127M07700 Piston Kit - Standard Bore 76.96mm, 14:1 Compression control-levers-perches Forged Replica pistons are forged

Forged Replica pistons are forged from 2618 aluminum for superior strength and durability

1998-2001 Yamaha YZ250

Shaft by WSM

2017-2018 KTM 250 SX

H-D#21920-83

Wiseco 40127M07700 Piston Kit - Standard Bore 76.96mm, 14:1 Compression control-levers-perches Forged Replica pistons are forgedBore: 76. 96mm Compression: 14: 1 Compression Sizing: Standard Bore SPECIFICATIONS. Bore Standard: 77. 00mm. Bore Actual: 77. 00mm. Bore Oversize: STD. Compression Ratio Actual: 14: 1. Skirt Coating: ArmorGlide. ITEM CONTENTS. 7700YC 77. 00 mm Ring Set . 8 x 1. 5mm. CW16 ROUND WIRE PIN LOCKS 16MM (PAIR). Ring Set. S677 PistonPin 16 x 40mm NonChromed TW All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior