FiTech Ultimate LS Self-Tuning Intake Kit with Transmission Control 750HP LS1/LS2/LS6



  • Tall Intake Manifold
  • Fits Cathedral Port Heads
  • Billet Fuel Rails
  • On The Fly Tuning

FiTech Ultimate 750HP LS Self-Tuning Intake Kit with Transmission Control for LS1, LS2 and LS6 engines.

FiTech’s Ultimate EFI Kit (70009) is a complete induction solution for the top of your LS. Whether your engine is coming out of a crate, or out of the junkyard – this kit has what you need. With a tall intake manifold and a 102mm throttle body, this kit is good for engines outputting up to 750HP. This kit is equipped for your N/A or FI motor.

Features and Benefits:
- Intake manifold will fit Cathedral Port LS1/LS2/LS6 heads
- Transmission control feature is suitable for 4L60, 4L65, 4L80 or 4L85 GM transmissions
- Small Block V8 GEN. III/IV LS-based Chevrolet street and performance engines
- Intake manifold is 6.5 inches tall
- Throttle body will clear any stock truck accessories depending on the type of water pump
- Billet Fuel rails with AN fittings and fuel crossover
- Self-learning ECU with touch screen controller for easy setup and configuration
- Sequential fuel and spark control with individual cylinder trim
- Dual Bosch wide band with dual trim control (Self-learning)
- 3 BAR MAP sensor automatically detects up to 30 psi boost
- Stainless O2 Sensor bung (clamp or weld on)
- 24X and 58X crank and cam compatible
- Two programmable fan control outputs
- TPS - IAC Sensor
- Tach output driver for most tachometers (5V)
- Output driver for most speedometers
- Compatible with car and truck coils
- On the fly programmable target AFR and timing (if desired)
- 55 lb/hr flow-matched injectors
- Fuel pump relay output
- Custom wire harness (uses factory coil pack sub harness)
- Knock sensor control

This intake manifold Kit comes with electronic transmission control. This option is used when operating a GM electronically controlled automatic transmission. The Ultimate LS ECU has the ability to control the shift point, shift firmness, when to downshift properly, and all other features involved when controlling the transmission. This feature is suitable for 4L60, 4L65, 4L80 or 4L85 GM transmissions. If using transmission control connect the two sides of the trans connector to the sub-harness and connect this to the connector on the transmission. Once connected to the transmission you are ready. If not using transmission control leave the connectors untouched.

Please Note:
- Coil packs and a Supported Fuel System (ie. part number FI50004 or other comparable fuel systems) are required but not included.
-If there is truck water pump accessory clearance interference, you will need to get a new water pump bracket.

Vehicle Fitment:
1960-1987 C10

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following Bronco years:

This product will fit the following C10 years:

This product will fit the following F-100 years:

  • 1948,
  • 1949,
  • 1950,
  • 1951,
  • 1952,
  • 1953,
  • 1954,
  • 1955,
  • 1956,
  • 1957,
  • 1958,
  • 1959,
  • 1960,
  • 1961,
  • 1962,
  • 1963,
  • 1964,
  • 1965,
  • 1966,
  • 1967,
  • 1968,
  • 1969,
  • 1970,
  • 1971,
  • 1972,
  • 1973,
  • 1974,
  • 1975,
  • 1976,
  • 1977,
  • 1978,
  • 1979,

This product will fit the following Mustang years:

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