Vertex VTK22991B Cast Replica Top End Piston Kit - Standard Bore 51.96mm, Standard Compression helmets-half-helmets-street 1993-1999 Harley Davidson FXDL Dyna

1993-1999 Harley Davidson FXDL Dyna Low Rider

2009-2013 KTM 690 Enduro R

1990 Honda NS50F

hex Includes 5

2022-2024 Husqvarna FX350

Vertex VTK22991B Cast Replica Top End Piston Kit - Standard Bore 51.96mm, Standard Compression helmets-half-helmets-street 1993-1999 Harley Davidson FXDL DynaBore: 51. 96mm 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