WSM-Platinum Series Piston Kit-Yamaha-1300 GP-R-1MM Over

1MM Over 1300 85mm Bore. Fits: Yamaha 1300 GP-R. Made to exact OEM specifications

• Platinum Piston Kits Include: 1 Platinum Piston, 1 Ring Set, 1 Wrist Pin, 1pr Circlips.
• Platinum Series Pistons are made of high strength hardened aluminum designed to prevent skirt and ring groove breakage. The piston walls are treated with a nonabrasive coating which reduces heat and friction for added horsepower and greatly extends piston life
• Fits Yamaha 1300 Models: 1300 GP-R 2003-2008
• **Prior to placing your order please measure your cylinders to determine the appropriate size required. Most pistons come in .25mm increments from stock or standard bore up to 1mm oversize. Refer to your shop service manual for guidance on the procedure or have the cylinders evaluated by a qualified machine shop**