ApplicationCompatible for Dodge / Compatible for Chrysler / Compatible for Jeep / Compatible for Ram 5.7L 6.1L Non-MDS Roller Lifters 16PCS compatible for Ram 5.7L 2003-2004 compatible for Ram 2500 / 3500 5.7L 2005 - 2008 For Challenger / Compatible for Ram / for SUV VVT with MT 5.7L 2009 - 2014 For Challenger / for Charger / for 300C / for Magnum / Compatible for Jeep SRT-8 Engines with AT or MT 6.1L 2006 - 2010 For Challenger compatible for SRT-8 Engines with MT6.4L 2011 - 2014 For 300C / for Magnum/for Charger/Compatible for Ram 15005.7L 2005 - 2008 For Challenger / for Charger / for 300C / Compatible for Ram 1500 with AT5.7L 2009 - 2014 For Challenger / for Charger / for 300C / Compatible for Jeep SRT-8 with AT 6.4L2011 - 2014SpecificationReference OE/OEM Number:53021720AB 53021572AC Condition: 100% brand new Lifter Bridges Included: YES Lifter Style: Hydraulic roller Quantity:16 lifters (includes 4 composite retainers)Notice- Not for MDS/DOD engines. - They are not the same as the \"MDS\" lifters used in the DOD engines on some of the vehicles. - These roller lifters are aftermarket ones. They will replace the original lifter. - No instruction included; professional installation is suggested. - High performance aftermarket products made in our own lifters factory with more than 10 years experience - A fast and affordable way to easily upgrade your car\'s appearance performance