Chevy GM LS1 Downdraft + FiTech Ultra EFI Fuel Injection System [Black] Speedmaster electric fuel pumps feature

Speedmaster electric fuel pumps feature an improved design for street and strip applications

and mounting hardware

pulling trucks

These cast aluminum manifolds accept square-bore carburetors and are pressure tested to ensure maximum performance

Speedmasterª EFI systems give you everything you need to add powerful and efficient fuel injection to your vehicle

Chevy GM LS1 Downdraft + FiTech Ultra EFI Fuel Injection System [Black] Speedmaster electric fuel pumps featureDiscover the zenith of fuel injection innovation with our enhanced Downdraft 8 Stack EFI Intake Manifold System, now impeccably paired with FiTech's sophisticated computer technology. This upgraded combination elevates the standard in electronic fuel injection, offering an unmatched solution for a wide spectrum of vehicles, from everyday use to high powered performance.