Wiseco Top-End Rebuild Kit for Honda TRX400X / TRX400EX / XR400 - 10:1 - 85.00mm - PK1031 1990 Yamaha YFS200 Blaster - Lower Part Number: 456M05000

Part Number: 456M05000

2004 Kawasaki KSF400

1990 Polaris Indy Trail Deluxe

2003-04 Yamaha WR450F

Wiseco Top-End Rebuild Kit for Honda TRX400X / TRX400EX / XR400 - 10:1 - 85.00mm - PK1031 1990 Yamaha YFS200 Blaster - Lower Part Number: 456M05000Wiseco Performance Top End Rebuild Kit Part Number: PK1031 Piston Size: 85. 00mm Displacement: 397cc Piston Standard Bore: 85. 00mm Oversize Bore: 0. 00mm Stroke: 70. 00mm Compression Ratio: 10: 1 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