Due to supplier demand, sales for individual spring kits (not in a cam kit) has been paused. Please try again After June 1st. Gen 3 Hemi Valve Springs, hardware and accessories 5.7 VVT Applications: PAC 1275X requires .060 shims PSI 1515ML requires .060 shims 6.4/6.2 Applications: PAC 1232X no hardware required PAC 1276X require locators and shims (Included in Kits) PSI 1511ML Backordered PSI 1516ML require locators and shims (Included in Kits) 5.7/6.1 NON VVT (03-08): PAC 1276X kits include valve spring seats and shims. PSI 1516ML kits include valve spring seats and shims. Retainers: Titanium Valve Spring Retainers Light Weight Steel Retainers Inventory and availability changes constantly, please call or email [email protected] for Spring Availability If you are looking for our cams, or complete cam/cam kit packages, check out our VVT offerings here . Our Non-VVT offerings can be found here