Each ring set is for one piston. Will not work on 2011 and earlier OEM Pistons.This item fits the following vehicle applications:compatible with Kawasaki KRF750 Teryx 4×4 2008-2009compatible with Kawasaki KRF750 Teryx FI 4×4 2009-2013compatible with Kawasaki KRF750 Teryx FI 4×4 LE 2008-2013compatible with Kawasaki KRF750 Teryx FI 4×4 LE Camo 2013compatible with Kawasaki KRF750 Teryx FI 4×4 LE SGE 2011-2012compatible with Kawasaki KRF750 Teryx FI 4×4 LE Sport 2009compatible with Kawasaki KRF750 Teryx FI 4×4 Sport 2009-2013compatible with Kawasaki KRF750 Teryx NRA Outdoors 2008-2009compatible with Kawasaki KRF800 Teryx 2014-2020compatible with Kawasaki KRF800 Teryx Camo 2014-2017compatible with Kawasaki KRF800 Teryx LE 2014-2017compatible with Kawasaki KVF750 Brute Force 4x4i 2005-2020compatible with Kawasaki KVF750 Brute Force 4x4i EPS 2012-2016