Vertex VTK22806B Cast Replica Top End Piston Kit - Standard Bore 53.94mm, Standard Compression tires-wheels-wheel-weights 1998-2008 Yamaha YZF-R1

1998-2008 Yamaha YZF-R1

1994-1996 Dodge Ram 2500 5

2013-2016 KTM 300 XC

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Vertex VTK22806B Cast Replica Top End Piston Kit - Standard Bore 53.94mm, Standard Compression tires-wheels-wheel-weights 1998-2008 Yamaha YZF-R1Bore: 53. 94mm 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