Vertex VTK22809B Cast Replica Top End Piston Kit - Standard Bore 66.35mm, Standard Compression luggage-luggage-accessories-case-liners 2003 Polaris Predator 90

2003 Polaris Predator 90

2006 Arctic Cat DVX 50

1977 Yamaha GS340

2003-2017 Yamaha YZ450F

Vertex VTK22809B Cast Replica Top End Piston Kit - Standard Bore 66.35mm, Standard Compression luggage-luggage-accessories-case-liners 2003 Polaris Predator 90Bore: 66. 35mm Compression: Standard 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