Wiseco 4117M08900 Piston Kit - Standard Bore 88.95mm, 10.5:1 Compression exhaust-parts-accessories-replacement-parts O-ring seals out water and

O-ring seals out water and debris from hub between collar and axle

Robust enough for cams

Dimensions: 5 5/16in

NOTE: Compatible with OEM rear fabric panel

Wiseco 4117M08900 Piston Kit - Standard Bore 88.95mm, 10.5:1 Compression exhaust-parts-accessories-replacement-parts O-ring seals out water andBore: 88. 95mm Compression: 10. 5: 1 Compression Sizing: Standard Bore SPECIFICATIONS. Displacement: 497cc. Bore Standard: 89. 00mm. Bore Actual: 89. 00mm. Bore Oversize: STD. Stroke: 80. 00mm. Cylinders: 1. Compression Ratio Actual: 10. 5: 1. ITEM CONTENTS. 3504XC 89. 00 mm Ring Set. CW21 ROUND WIRE PIN LOCKS 21MM (PAIR). S527 PistonPin 21mm x 2. 126in. NonChromed SW All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers