Kit includes: (4) Pistons, Ring Sets, Piston Pins, Retainer Clips, and (1) Spring Steel Head Gasket Cylinder boring only Piston: 4553M07100, Rings: 2795XA, Piston Pins: S537, Retainer Clips: CW18, Spring Steel Head Gasket: W5535 Enigine Size: 771cc Bore Size: 2.795in. or 71.00mm Stroke: 48.70mm Compression: 11.8:1 This Item Fits the Following Applications: 1995 Suzuki GSX-R750 1994 Suzuki GSX-R750 1993 Suzuki GSX-R750 1992 Suzuki GSX-R750