LT Non Superchrgered Heads to LT4 Port Injection Add On Plates

LT1 head to LT4 Supercharger Gen V - Port Fuel Injection Add On Sandwich Plates Compatible with 5.3L and 6.2L LT Gen V cylinder heads (the 6.2L has .070 lower floor (aka bigger port) than 5.3L). These are designed to bolt to LT1 style heads and allows you to bolt on an LT4 supercharger to these adapters. These plates are recommended any time more fuel is needed for your direct injected engine. These plates allow greater choices of injector sizes, fuel pump, and also allows for race fuel to be used to lower temps. For use with LS3 length fuel injectors Aluminum parts are all made in Wichita, Kansas from 6061-T6, USA produced, billet (except Holley fuel rails) Includes: Injection plates, fuel rails, rail brackets, and mounting hardware * Requires modification of factory valve covers to remove coil mounting towers or aftermarket valve covers to provide clearance for port injection add on plates. * LT4 supercharger to cylinder head dowels need to be cut .2" shorter before installation