Prox Racing Parts (01.2514.050 84.50mm 2-Stroke Piston Kit Fits: Yamaha GP 1200 1997-1999, XL 1200 1997-1999, SUV 1200 1999-2004, GP 760 1996-2000, Wave Blaster 760 '96-00, Wave Raider 760 '96-00, Wave Runner760 '96-00, Wave Venture760 '96-00, XL 760 1996-2000 Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use Uses an OEM style tin coating to assist the break-in process when you first start your machine Notes: 84.50mm bore