Wiseco 1850XE Piston Ring Set for Yamaha YFM80 / TT-R90E / Honda CRF70F - 47.00mm 2015 Polaris RZR 900S 2017 Yamaha YZ250FX

2017 Yamaha YZ250FX

2009 KTM 105 XC

Backrest model features a driver backrest and receiver for an optional passenger backrest

Fits: 1974-76 Honda CB550K

Pipes are designed to deliver optimal torque and power while increasing the stock bike’s rideability right in the sweet spot of the torque curve

Wiseco 1850XE Piston Ring Set for Yamaha YFM80 / TT-R90E / Honda CRF70F - 47.00mm 2015 Polaris RZR 900S 2017 Yamaha YZ250FXWiseco 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