Wiseco 40019M07700 Piston Kit - Standard Bore 76.96mm, 13.5:1 Compression snow-accessories Penetrates deep into chain rollers

Penetrates deep into chain rollers to loosen stiff links and extend chain and sprocket life

2018 Kawasaki ZX636 Ninja ZX-6R KRT Edition

Heavy-duty design for use on large exhaust and kickstand springs

2019-2021 Polaris Sportsman 570 6x6

Wiseco 40019M07700 Piston Kit - Standard Bore 76.96mm, 13.5:1 Compression snow-accessories Penetrates deep into chain rollersBore: 76. 96mm Compression: 13. 5: 1 Compression Sizing: Standard Bore SPECIFICATIONS. Displacement: 249cc. Bore Standard: 77. 00mm. Bore Actual: 77. 00mm. Bore Oversize: STD. Stroke: 53. 60mm. Cylinders: 1. Compression Ratio Actual: 13. 5: 1. Skirt Coating: Moly. ITEM CONTENTS. 7700YC 77. 00 mm Ring Set . 8 x 1. 5mm. S677 PistonPin 16 x 40mm NonChromed TW. W6883 Round Wire Retainer 16mm x . 049in. (pair) All Wiseco Pistons are forged from high