This listing is for a set of (12) cam follower rocker arms and Lifters compatible with 2011-19 Pentastar 3.6L Chrysler Jeep Grand Cherokee, Wrangler, Wrangler JK engines. (NOTE: Except 2016-2017 Dodge Durango with variable valve lift and ESS Engine Start Stop engines.). NOTE: This set of 12 arms and lifters services one cylinder head. NOTE:Engine requires (2) sets. Fitment includes: 2014-2020 JEEP CHEROKEE 3.2L ENGINES 2011-2019 JEEP GRAND CHEROKEE 3.6L ENGINES 2014-2018 JEEP WRANGLER 3.6L ENGINES 2011-2018 DODGE GRAND CARAVAN 2011-2018 DODGE JOURNEY 3.6L ENGINES 2011-2015 DODGE DURANGO 3.6L ENGINES 2011-2020 DODGE CHALLENGER 3.6L ENGINES 2011-2020 DODGE CHARGER 3.6L ENGINES 2011-2014 DODGE AVENGER 3.6L ENGINES 2011-2017 CHRYSLER 200 3.6L ENGINES 2011-2019 CHRYSLER 300 3.6L ENGINES 2011-2016 CHRYSLER TOWN & COUNTRY 3.6L ENGINES 2013-2019 RAM 1500 3.6L ENGINES ONLY 2014-2018 RAM PROMASTER 1500 3.6L ENGINES ONLY 2014-2018 RAM PROMASTER 2500 3.6L ENGINES ONLY 2014-2018 RAM PROMASTER 3500 3.6L ENGINES ONLY