Description 100% Brand New Items, Never Used Or Installed This listing is for a brand new Set of 16 Hydraulic Roller Tappet Lifters (This is a FULL set of 16 valve lifters and bridges/guides required for NON MDS V-8 engines - As Pictured Show) For the following applications without the Multi-Displacement System (NON - MDS): Package Includes 1x Full Engine lifter Set As shown in the picture Fitment: For 5.7L Ram - 2003 - 2004 For 5.7L Ram 2500/3500 - 2005 - 2008 , For VVT 5.7L with MT Challenger/Ram/SUV - 2009 - 2014 , For 6.1L SRT-8 Engines with AT or MT Challenger/Charger/300C/Magnum/Jeep SRT-8) - 2006 - 2010, For 6.4L SRT-8 Engines with MT Challenger - 2011 - 2014 , For 5.7L 300C/Magnum/Charger/Ram 1500 - 2005 - 2008 , For 5.7L with AT Challenger/Charger/300C/Ram 1500 - 2009 - 2014 , For 6.4L with AT Challenger/Charger/300C/Jeep SRT-8 - 2011 - 2014 OE Part Number #: 53021720AB 53021572AC Note? Not for MDS engines These lifters are used in all non "DOD/MDS" Dodge/Chrysler/Jeep 5.7,6.1 and 6.4 Hemi engines produced since 2003. They are not the same as the "MDS" lifters used in the DOD engines on some of the vehicles.