Check the listing for details. Piston Gasket Top End Rebuild Kit Yamaha GP 1200R XL XLT 1200 XR1800 PV Std Bore. Condition: New. Listed at 477.79 USD. Platinum Series Top End Kit: 010-829-10P_STD 79.90MM Bore. Fits: Yamaha 1200R PV. Made to exact OEM specifications. Platinum Top End Kits Include: Platinum Pistons, Rings, Wrist Pins, Circlips, Top End Bearings, Head, Base, Common Intake and Exhaust Gaskets required for rebuilding the top end of the motor. 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 1200 PowerValve Models: GP 1200R; XL1200 Limited; XLT 1200; XR1800; . **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.Platinum Series Top End Kit: 010-829-10P_STD 79.90MM Bore. Fits: Yamaha 1200R PV. Made to exact OEM specifications. Platinum Top End Kits Include: Platinum Pistons, Rings, Wrist Pins, Circlips, Top End Bearings, Head, Base, Common Intake and Exhaust Gaskets required for rebuilding the top end of the motor. 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 1200 PowerValve Models: GP 1200R; XL1200 Limited; XLT 1200; XR1800; . **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.