114KB,Grizzly Performance 58V FICM for 2003 to 2007 6.0L Powerstroke,Trick Flow Specialties TFS-6161T783-C01 Trick Flow® PowerPort® 270 Cylinder Heads for Big Block Mopar | Trick Flow Specialties,363-Inch Small-Block Ford Makes 541 HP With Port EFI and a Throttle Body!,355-Inch Stroker Ford Y-Block Makes Over 600 HP on the Dyno!