Edelbrock Part # 28456 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. The Edelbrock Victor JR. LS3 intake manifold comes with an MSD #6014 Timing Control Module. 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 that allow for the use of fuel injectors when combined with the #3638 fuel rail kit (sold separately). The LS3, L92 and L76 all use the same cylinder head.