Namura Top-End Rebuild Kit for 2002-03 Polaris Sportsman / Ranger 700 - 79.96mm - NA-50070-BK1 1977 Yamaha RD400 Piston Standard Bore: 65

Piston Standard Bore: 65

2004 Polaris RMK 800 Vertical Escape w/144" track

Part Number: 40124M07700

2004-06 Arctic Cat King Cat 900 EFI

2007-08 Yamaha YFM80 Grizzly

Namura Top-End Rebuild Kit for 2002-03 Polaris Sportsman / Ranger 700 - 79.96mm - NA-50070-BK1 1977 Yamaha RD400 Piston Standard Bore: 65Namura Technologies Top End Rebuild Kit Part Number: NA 50070 BK1 A Top End rebuild can help to improve the performance of your ride, keeping it running in peak condition. With the Namura complete Top End Rebuild Kit, rebuilding your Top End no longer expensive and painful Namura's Top End Kits include everything you need to get your ride operational again; pistons, a top end gasket kit and wrist pin bearings (where applicable) are all included in