Vertex VTK23004B Cast Replica Top End Piston Kit - Standard Bore 53.96mm, Standard Compression tools-oil-filters including late afternoon and night

including late afternoon and night riding

1991-1993 Kawasaki ZR750C Zephyr

2007-2009 Yamaha PZ50GT Phazer GT

Replaces Polaris AGL

Silk screened logo

Vertex VTK23004B Cast Replica Top End Piston Kit - Standard Bore 53.96mm, Standard Compression tools-oil-filters including late afternoon and nightBore: 53. 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