Wiseco 4117M08900 Piston Kit - Standard Bore 88.95mm, 10.5:1 Compression electrical-computers-meters-computer-dashboards reducing the overall rpm in

reducing the overall rpm in 6th gear by 400-500rpm depending on the application

2013-2015 Arctic Cat TRV 550 LTD

2001-2021 Yamaha YZ250F

spacers are required in the rear if you are running factory 900 Ranger steel wheels

2022-2023 Can-Am Defender HD10 X mr

Wiseco 4117M08900 Piston Kit - Standard Bore 88.95mm, 10.5:1 Compression electrical-computers-meters-computer-dashboards reducing the overall rpm inBore: 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