Vertex VTKTC23235B Forged Replica Top End Piston Kit - Standard Bore 75.97mm, 12.8:1 Compression marine-engine-gasket-makers-sealants-removers 1989 Polaris 500

1989 Polaris 500

1989-1991 KTM 125 EXC

Designed with crumple zones to protect the upper structure of todays sleds

1993-1998 Triumph Sprint

1986-1990 Harley Davidson FLST Heritage Softail

Vertex VTKTC23235B Forged Replica Top End Piston Kit - Standard Bore 75.97mm, 12.8:1 Compression marine-engine-gasket-makers-sealants-removers 1989 Polaris 500Bore: 75. 97mm Compression: 12. 8: 1 Compression Sizing: Standard Bore All pistons are heat treated with a T 5 hardening and tempering cycle. All piston skirts are coated with a high tech molybdenum disulphite coating for faster break in time and increased piston life. Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston. Forged pistons are forged from 2618