Product Summary

Universal Fit, Throttle Body Injection Style, Anodized

  • Intake manifold is made from a O.E. replacement quality reinforced plastic composite material
  • The new design gives your engine bay the factory O.E. look while giving you all the great features of our self-learning ECU
  • Engineered to offer maximum tunability and is very easy to install
  • Allows you to swap and LS into practically anything you want
  • Throttle body is made from billet aluminum with a black anodized finish for added protection

Key Specs

MFG. Part #70020

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FiTech Fuel Injection is introducing the all new Ultimate LS Torque Plus Cathedral Port Composite 600HP kit with GM 4L60/80E trans control. Intake manifold is O.E. replacement quality reinforced plastic composite material combined with our top of the line Ultimate LS kits. This new design gives your engine bay the factory O.E. look while giving you all the great features of our self-learning ECU, maximum tunability, and ease of installation. It’s never been easier to swap a LS into practically anything you want with our stand-alone Ultimate LS kits.

Some customers have noted that water pump may need to be clearanced.

Ultimate LS System Instruction Manual (PDF)

Ultimate LSInduction Systems Product Brochure (PDF)



Induction System Includes:

  • Manifold
  • Fuel Rails
  • Injectors
  • 92mm Throttle Body
  • Tight Fit Regulator
  • Gauge
  • ECU
  • Harness
  • GM 4L60/80E Transmission Control Harness
  • Handheld Programmer
  • MAP Sensor
  • MAP Sensor Adaptor
  • IAT Sensor
  • TPS
  • IAC Motor
  • Oxygen Sensor
  • Hardware to install manifold to your block.

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.


MFG. Part #70020
Injection StyleThrottle Body
Self TuningYes
Injectors IncludedYes
Intake Manifold IncludedYes
Intake Section IncludedComplete
Metering StyleSpeed Density and Speed Throttle
Throttle Body IncludedYes
Throttle Body MaterialBillet Aluminum
Throttle Body FinishAnodized
Intake MaterialPolymer
Venturi Quantity1
Fuel Pump IncludedNo
Fuel Rails IncludedYes
Calibration Module IncludedYes
ECM IncludedYes
Wiring Harness IncludedYes
Fuel Pressure Regulator IncludedNo
Distributor IncludedNo
MAP Sensor IncludedYes
IAC Motor IncludedYes
IAT Sensor IncludedYes
TPS Sensor IncludedYes
Venturi Diameter92.00mm
Throttle Body StyleThrottle Body Injection (TBI)
GTIN Code852192008582
Sold in QuantityKit