1987-2006 for Yamaha Banshee 350 4x2 WISECO Piston Kit with Gaskets PK146 Gravity cast aluminum alloy with

Gravity cast aluminum alloy with 18% silicon to increase resistance to wear and decrease thermal distortion

MPN: PSIMX2402

Includes 3M™ self adhesive backing for easy installation

Includes clear and RST Purple ICON Optics™ shield

1987-2006 for Yamaha Banshee 350 4x2 WISECO Piston Kit with Gaskets PK146 Gravity cast aluminum alloy withManufacturer: Wiseco MPN: PK146 Title: High Performance Complete Top End Kits Size: 66. 25mm Option: Color: Premium materials produce the best sealing technology available exceeding O. E. M. standards. 2 Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength weight ratio utilizing Aerospace alloy; Race proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal cam shape and profile for peak HP and service