Fits: 2003-Up Chrysler 5.7/6.1 Hemi Engines Make your Hemi engine look like it deserves the Hemi name Fits both early and late 5.7 and 6.1 heads Must use 2006-up 5.7 or 6.1 coil packs Each 4 lb. valve cover is CNC machined from a 34 lb. billet aluminum bar The end result is a lightweight, strong cover that has a precision flat surface for superior sealing Covers are designed to work with stock coil packs, gaskets and fasteners Taller for aftermarket valve train assemblies Airtight sealing allows the engine to pull greater vacuum for improved ring seal and power Available in two finishes; raw machined billet finish or black anodized finish with machined ribs