WARNING: Cancer or Reproductive Harm
www.P65warnings.ca.gov
                                                                                 Not legal for use on Emissions Controlled Vehicles. 
Check with your local DMV, emissions testing facility or applicable State laws before installing. 
Emission Controlled Vehicle Information: 
The cast intake manifold is topped with two EFI throttle bodies
and fits LS1, LS2, LS6, LR4, LM4, LM7, LQ4, LQ9 Heads. 
This EFI is port injected and gives you all of the looks of a
classic dual setup for your modern LS. 
Included with this system are 55lb Injectors (8), Dual O2
Sensors, 3-Bar MAP Sensor, wiring harness, and External
ECU.
E85 Compatible
Boost and nitrous capable
Classic gold or black finish options. 
Sheet metal intake designed to bolt onto an LS
Features three 500 cfm throttle bodies, finished in classic gold 
Self-learning technology provides quick starts, smooth idle and
great throttle response without the overly rich fueling of old-
school carbs.
The harness plugs into the LS cam, crank, and coolant sensors
and is simple to setup with the supplied touch screen monitor.
RETRO-LS
RETRO-LS 3X2
3X2
For builders who want modern LS performance without sacrificing a classic underhood look, FiTech’s Retro LS TBI delivers the
best of both worlds. This system mounts to carb-style LS intakes while providing the drivability, reliability, and self-learning
capability of electronic fuel injection.
RETRO-LS
RETRO-LS 2X4
2X4
52
YES
YES
YES
YES
750 HP
750HP
GOLD
BLACK
70082
70081
Ultimate LS 750 HP Dual Quad Classic Gold EFI System
With Cathedral Port Intake
Ultimate LS 750 HP Dual Quad Matte Black EFI System
With Cathedral Port Intake & Transmission Control
YES
YES
750 HP
GOLD
70080
Ultimate LS 750 HP Tri Power EFI System With Cathedral
Port Intake & Transmission Control

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