Namura Technologies NA-80002-4K Top End Repair Kit - 1.00mm Oversize to 91.96mm suspension-fork-preload-adjuster 2001-2002 Yamaha YFM400 Big Bear

2001-2002 Yamaha YFM400 Big Bear 4x4

2010 Arctic Cat Z1 1100 EFI LXR

heads come complete with valves and

Manufactured to fit factory air box

Namura Technologies NA-80002-4K Top End Repair Kit - 1.00mm Oversize to 91.96mm suspension-fork-preload-adjuster 2001-2002 Yamaha YFM400 Big BearBore: 91. 96mm Sizing: 1. 00mm Oversize Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit. MOS2 (Teflon Molybdenum) Coated Skirts A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Machined Smooth Heads Reflects combustion heat and reduces carbon buildup, protecting