Wiseco PK1157 Top-End Rebuild Kit for 1985-87 / 1990-17 Yamaha PW50 - 40.00mm 1978 Kawasaki KX250 Part Number: 50-1101

Part Number: 50-1101

2011 Triumph Scrambler

2011 Suzuki LT-Z90 Quadsport

Part Number: 4848M09400

Fitments 2004 Honda XR250R

Wiseco PK1157 Top-End Rebuild Kit for 1985-87 / 1990-17 Yamaha PW50 - 40.00mm 1978 Kawasaki KX250 Part Number: 50-1101Wiseco Performance Top End Rebuild Kit Part Number: PK1157 Piston Size: 40. 00mm These kits contain everything you need to complete your rebuild the right way, the first time High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power. Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy. All Piston Kits are precision crafted and forged in the USA Wiseco's complete Top