Namura Top-End Rebuild Kit for 1999-01 Yamaha YZ250 - 66.35mm - NX-40025K Piston Size_67.37mm 1998-2000 Arctic Cat 400/400 4x4

1998-2000 Arctic Cat 400/400  4x4

2003 Harley-Davidson Dyna Wide Glide - FXDWG

2011 Polaris Sportsman 850 X2

2005 Suzuki DR650S

1993 KTM 300 EXC

Namura Top-End Rebuild Kit for 1999-01 Yamaha YZ250 - 66.35mm - NX-40025K Piston Size_67.37mm 1998-2000 Arctic Cat 400/400 4x4Namura Technologies Top End Rebuild Kit Part Number: NX 40025K Piston Size: 66. 35mm 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