Edelbrock Manifold Super Victor GM LS3 V8 EFI 4500 Series FlangeEdelbrock part #28215 Super Victor LS3 EFI intake manifold is designed for Gen IV LS engines equipped with LS3 cylinder heads. This new Super Victor intake manifold is ideal for anyone building a 700+ hp 4500 style EFI large displacement racing engine operating between 3,500 7,500 rpm. This Super Victor intake manifold is designed with 24% larger runners than our Victor Jr. #28455 along with a larger 4500 style plenum. The large plenum makes this