Wiseco 7700YC Piston Ring Set for Yamaha YZ250F / YZ250FX / WR250F - 77.00mm 2002 Yamaha YFM350FX Wolverine 4x4 2009 Honda Rubicon 500 4x4

2009 Honda Rubicon 500 4x4 Auto

A four-inch diameter

2016 Arctic Cat ZR 9000 RR

unlike the stock unit which only regulates 2 phases

Stroke: 66

Wiseco 7700YC Piston Ring Set for Yamaha YZ250F / YZ250FX / WR250F - 77.00mm 2002 Yamaha YFM350FX Wolverine 4x4 2009 Honda Rubicon 500 4x4Wiseco Performance Piston Rings Performance Piston Rings Titanium Nitride coated for increased durability. These rings resist wear from the exhaust bridge and are designed for extreme racing conditions. These rings maintain their size and geometry for exceptional ring seal providing sustained peak performance in race applications. Compatible with Wiseco branded pistons ONLY!!!! Manufacturer in the USA Note: Ring Sets come "Per Piston" and may be only