Vertex VTKTC23623A Cast Replica Top End Piston Kit - Standard Bore 101.95mm, 9.2:1 Compression implements-sprayers 2020-2025 Polaris Sportsman 850 Premium

2020-2025 Polaris Sportsman 850 Premium

2007-2010 Harley Davidson XL883L Sportster 883 Low

2017-2018 Sherco 125 ST

Safe for paint

Vertex VTKTC23623A Cast Replica Top End Piston Kit - Standard Bore 101.95mm, 9.2:1 Compression implements-sprayers 2020-2025 Polaris Sportsman 850 PremiumBore: 101. 95mm Compression: 9. 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