Edelbrock Manifold Victor Jr GM Gen IV* L92 EFIEdelbrock part #28455 Victor JR. LS3 intake manifold is designed for Gen IV LS engines equipped with LS3, L92 and L76 cylinder heads. This manifold is for EFI racing applications operating between 3500 7500 rpm. This manifold uses a standard square bore throttle body flange that is compatible with both Edelbrock EFI intake elbows with single bore 90mm throttle body or four barrel #4150 throttle bodies. This intake has additional bosses and machining