Wiseco PK1645 Top End Kit - Standard Bore 99.20mm, 12.5:1 High Compression miscellaneous-dealer-items 1999-2000 Arctic Cat ZR 500

1999-2000 Arctic Cat ZR 500 EFI

2002-2022 Yamaha YZ250F

Includes M4 (20)

Zipper closure with 2 belt straps

roots and desert terrains

Wiseco PK1645 Top End Kit - Standard Bore 99.20mm, 12.5:1 High Compression miscellaneous-dealer-items 1999-2000 Arctic Cat ZR 500Bore: 99. 20mm Compression: 12. 5: 1 High Compression Sizing: Standard Bore SPECIFICATIONS. Displacement: 499cc. Bore Standard: 99. 2mm. Bore Actual: 99. 20mm. Bore Oversize: STD. Stroke: 64. 6mm. Cylinders: 1. Compression Ratio Actual: 12. 5: 1. Dome Volume: +4. 5cc. ITEM CONTENTS. 3905XK 3. 905 Ring Set. 4807M09920 Polaris 500 Predator03 07 12. 5: 1 3905XK. S626 Pin 23mm x 2. 5in. x 4. 0mm wall unchromed. W5860 23MM ROUND WIRE PIN LOCKS (PAIR).