440 HEMI Long Block -------------------------------------------------------------------------------- Upgrade your 6.1L HEMI to our Gen III 440 HEMI. Add your own performance parts such as a ported intake manifold and throttle body to drop extreme and reliable power into your SRT-8 Charger, Chrysler 300C, Dodge Truck, or other LX, LC, truck bodies sporting the 5.7L or 6.1L HEMI. The 440 HEMI is based on a heavily modified 6.1L HEMI Block and then finished off with Arrington Performance upgrades including our HEMI 648 custom ground billet camshaft, and custom ported heads for maximum performance and reliability.