Description
Part Number: 70085
FiTech Retro LS Dual-Quad EFI System (Black)
Classic dual-quad intake aesthetic combined with modern sequential multi-port electronic fuel injection for GM LS series engines.
Key Features
- ☑ Twin 4-barrel cast aluminum throttle bodies in a sleek black powder coat finish
- ☑ High-flow multi-port fuel injection configuration equipped with 55 lb/hr injectors
- ☑ Self-tuning ECU with handheld touchscreen controller for effortless setup
- ☑ Integrated ignition timing control capabilities and dual Bosch wideband O2 sensor support
- ☑ Complete plug-and-play wiring harness and high-flow anodized aluminum fuel rails
Technical Specifications
| Brand | FiTech Fuel Injection |
|---|---|
| Manufacturer Part Number | 70085 |
| Engine Fitment | GM LS Series (Cathedral Port Heads) |
| Injection Style | Sequential Multi-Port / Dual Quad Throttle Body |
| Intake & Throttle Body Finish | Black Powder Coat |
| Fuel Injector Rating | 55 lbs/hr (8 Included) |
| Horsepower Capacity | Up to 750 HP |
| Tuning Control | Self-Tuning with Color Touchscreen Controller |
| Timing Control Compatible | Yes |
What’s Included in the Box
- FiTech Cast Aluminum Dual-Quad Intake Manifold (Black)
- Twin Cast Aluminum 4-Barrel Throttle Bodies
- Self-Tuning ECU & Color Touchscreen Handheld Tuning Unit
- 8 x 55 lb/hr High-Impedance Fuel Injectors
- Black Anodized High-Flow Fuel Rails
- Dual Wideband Oxygen Sensors with Weld-In Bungs
- Complete Engine Wiring Harness & Sensor Package (MAP, TPS, IAC, IAT)
- Gaskets & Mounting Hardware
Engineered to deliver unmatched muscle car visual appeal alongside flawless cold starts, sharp throttle response, and robust horsepower support, the FiTech 70085 retro kit represents the ultimate LS EFI upgrade. As an official UK distributor, JP Racing supplies verified FiTech performance components backed by expert technical advice and fast UK nationwide delivery.




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