Product Summary

Multi-port Injection Style, 55 lb/hr Injector Size

  • Retro Dual-Quad Appearance — Cast aluminum manifold with gold-finished dual throttle bodies for an authentic classic dual-quad or Tri-Power hot rod style on modern LS engines
  • Cathedral Port Compatibility — Precision-matched ports for LS1, LS2, LS6, and similar cathedral port heads, ensuring excellent airflow and performance
  • Up to 750 HP Capability — Supports naturally aspirated, boosted, or nitrous applications with advanced external ECU for precise tuning and control
  • Transmission Control Included — Built-in trans control for compatible automatic transmissions, simplifying wiring and integration in swaps or upgrades
  • Complete EFI Package — Includes dual throttle bodies, wideband sensors, 3-bar MAP, fuel rails, full wiring harness, and all components for a plug-and-play high-horsepower install
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Key Specs

MFG. Part #70084
Injection StyleMulti-port
Injector Size55 lb/hr
Max Horsepower Rating750
ECM IncludedYes
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FiTech 70084 Details

FiTech 70084: Dual Quad Retro Cast LS Port Injection Gold w/ Trans Control FiTech's 70084 is a complete retro-style dual-quad port injection EFI system for LS engines with cathedral port heads (LS1/LS2/LS6 and similar). It combines classic dual-quad carburetor aesthetics with modern EFI performance, featuring a cast aluminum intake manifold, dual gold-finished throttle bodies, an external ECU with transmission control, wideband O2 sensors, and full support for boost, nitrous, and timing control. Rated for up to 750 HP, it's ideal for high-performance restomods, street rods, or boosted LS builds seeking vintage looks with contemporary drivability and tuning.

Key Features

  • Retro Dual-Quad Appearance - Cast aluminum manifold with gold-finished dual throttle bodies for an authentic classic dual-quad or Tri-Power hot rod style on modern LS engines
  • Cathedral Port Compatibility - Precision-matched ports for LS1, LS2, LS6, and similar cathedral port heads, ensuring excellent airflow and performance
  • Up to 750 HP Capability - Supports naturally aspirated, boosted, or nitrous applications with advanced external ECU for precise tuning and control
  • Transmission Control Included - Built-in trans control for compatible automatic transmissions, simplifying wiring and integration in swaps or upgrades
  • Complete EFI Package - Includes dual throttle bodies, wideband sensors, 3-bar MAP, fuel rails, full wiring harness, and all components for a plug-and-play high-horsepower install

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

FiTech 70084 Specifications

KEY SPECS
MFG. Part #70084
BrandFiTech
Injection StyleMulti-port
Injector Size55 lb/hr
Max Horsepower Rating750
ECM IncludedYes
GENERAL
Fuel Injection System TypeMulti-Point Injection (MPI)
Injectors IncludedYes
Intake Manifold IncludedYes
Intake MaterialAluminum
Intake FinishMatte Black
Fuel Rails IncludedYes
Wiring Harness IncludedYes
MAP Sensor IncludedYes
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