Vertex VTKTC23510B Forged Replica Top End Piston Kit - Standard Bore 76.77mm, 13.2:1 Compression tires-wheels-spokes-rear-spoke-sets 2001-2010 Polaris Sportsman 90

2001-2010 Polaris Sportsman 90

Designed for the performance oriented customer

2010 Arctic Cat M8 Sno Pro 153

Easy installation

Conformak Coated PCB

Vertex VTKTC23510B Forged Replica Top End Piston Kit - Standard Bore 76.77mm, 13.2:1 Compression tires-wheels-spokes-rear-spoke-sets 2001-2010 Polaris Sportsman 90Bore: 76. 77mm Compression: 13. 2: 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