FiTech 36109 Ultra Ram 800 HP Chevy BB Rectangle Port EFI System

The FiTech 36109 Ultra Ram 800 HP Chevy Big Block Rectangle Port EFI System is a premium master kit engineered for big block Chevy engines with rectangle port heads. It combines an aggressive matte black sheet metal intake manifold, remote-mounted self-learning ECU, 102mm throttle body, and a Go Fuel in-tank 1000 HP fuel pump module with tight-fit regulator-delivering effortless plug-and-play installation, automatic fuel and timing optimization, on-the-fly adjustments, crisp throttle response, smooth idle, superior drivability, and reliable high-horsepower performance up to 800 HP (with power adder compatibility) for street, strip, boosted, or forced-induction BBC builds.

• Matte black sheet metal intake manifold for modern, aggressive styling and optimized port fuel distribution on BBC rectangle port heads
• Self-tuning ECU with remote mounting automatically adjusts fuel maps, ignition timing, and supports power adders-no laptop needed
• Go Fuel in-tank 1000 HP fuel pump module with tight-fit regulator ensures consistent high-pressure delivery and clean tank integration
• Supports up to 800 horsepower with smooth idle, explosive acceleration, enhanced fuel efficiency, and timing control for boosted applications
• Complete master kit includes ECM, high-flow injectors and fuel rails, 102mm throttle body, LS-specific sensors (adapted for BBC), pre-terminated harness, fuel components, hardware, and all parts for straightforward bolt-on BBC conversions