PK137 Pro-Lite Yamaha RZ350 84-85 Wiseco Top End Kit – 65.50 Mm Bore Proven at every level of

Proven at every level of riding

Clutch pack kits and performance clutch kits available

and other gasket kits for many dirt bike

Piston Ring Set – 83

PK137 Pro-Lite Yamaha RZ350 84-85 Wiseco Top End Kit – 65.50 Mm Bore Proven at every level ofWiseco 2 Stroke Pro Lite Piston Kit, 65. 50 mm Bore Wisecos Pro Lite is the forged 2 stroke piston that started it all! Wiseco Pro Lite forged 2 stroke pistons are the result of decades of experience, incorporating the latest in 2 stroke piston manufacturing and design in a part built for all purpose 2 stroke riding. Designed to offer great value, great reliability, and great performance, Pro Lite is the staple of 2 stoke pistons! Designed for all