Holley HI RAM CHEV LS1 / LS2 / LS6 EFI MANIFOLD BLACK # HO300-122BKHolley HI RAM CHEV LS1 LS2 LS6 EFI MANIFOLD BLACK # HO300 122BK Intake Manifolds, EFI Hi Ram, Cathedral Port Head, Multi port, 92mm Bore, Standard Deck, Aluminum, Black Finish, Chevy, LS, 5. 7L, 6. 0L, Each Cylinder Head Configuration: Cathedral Port LS1 LS2 LS6 Fuel Injection Style: Multi port Basic Operating RPM Range: 3,500 8,000 Intake Section Included: Complete Throttle Body Bore Size: 92mm Engine Block Deck Height: Standard deck Injectors