Athena P400485100099 Big Bore Hyper Race Cylinder Kit (70cc) - 47.66mm Bore exhaust-headers 2010-2013 E-TON Viper 90 Silver

2010-2013 E-TON Viper 90 Silver Series

End Rise 4in

2009-2014 Harley Davidson XL883N Iron 883

2019-2022 KTM 690 Enduro R

Pressure gauge

Athena P400485100099 Big Bore Hyper Race Cylinder Kit (70cc) - 47.66mm Bore exhaust-headers 2010-2013 E-TON Viper 90 SilverUse stock reeds for Yamaha Vino. The race version of the popular Athena 70cc big bore kit, available in one part number. All parts are available separately for custom builds. Cylinder kits include cylinder, head, piston assembly, reeds, and gaskets. Shaped, domed cylinder head, state of the art cylinder with special porting, lighter flat top piston assembly (all of which are designed for higher compression and improved combustion efficiency. Vehicle