Vertex VTKTC23113B Forged Replica Top End Piston Kit - Standard Bore 77.96mm, 13.4:1 High Compression brake-brake-anchor-arms 2008-2010 Polaris Sportsman 500 EFI

2008-2010 Polaris Sportsman 500 EFI Touring

2010 Arctic Cat F8 EFI

Made of high quality

Square bead wires improve casing rigidity

Width 36in

Vertex VTKTC23113B Forged Replica Top End Piston Kit - Standard Bore 77.96mm, 13.4:1 High Compression brake-brake-anchor-arms 2008-2010 Polaris Sportsman 500 EFIBore: 77. 96mm Compression: 13. 4: 1 High 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