Vertex VTKTC22951B-1 Forged Replica Top End Piston Kit - Standard Bore 89.97mm, 11.3:1 Compression engine-flywheels Heat treated to ensure uniform

Heat treated to ensure uniform strength

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Vertex VTKTC22951B-1 Forged Replica Top End Piston Kit - Standard Bore 89.97mm, 11.3:1 Compression engine-flywheels Heat treated to ensure uniformBore: 89. 97mm Compression: 11. 3: 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