If you own a 2001 to 2007 4.6 2 valve car or truck and are ready to make it the performance car or truck you have dreamed of by adding a supercharger, Promar has the engine for you. Inspired by our highly popular 5.4 Lightning Upgraded 2 valve engine, we bring to you a 2 valve 4.6 Long Block that you want in your engine bay.
Our performance 4.6 2 valve engine can safely handle up to 18 lbs of boost. This engine includes performance parts like Seal Power, Forged Icon or Probe pistons , Forged H Beam rods, ARP 8740 rod bolts, MLS Head gaskets, TTY Head and Main Bolts. Optional upgrades are also available. Click here for more details