JP Racing; Store » Air & Fuel Delivery » FiTech Fuel Delivery » Fuel Injection » FITECH LS3/ 8 Stack/ Polished Cathedral Intake/ Fits LS3,L92,L76,L99,LSA, LS9 Heads/ Dual O2 Sensors/ Self Learning/ 55lb Injectors
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FITECH LS3/ 8 Stack/ Polished Cathedral Intake/ Fits LS3,L92,L76,L99,LSA, LS9 Heads/ Dual O2 Sensors/ Self Learning/ 55lb Injectors

£5,338.79 Inc. VAT

SKU: FIT30109 Categories: , , Brand:

Description

Part Number: 30109

FiTech LS3 8-Stack Self-Tuning EFI System (Polished)

Combines classic 1960s individual throttle body (ITB) aesthetics with modern self-learning EFI technology for GM LS-series V8 engines.

Key Features

  • ☑ Classic 8-Stack velocity stack individual throttle body design with brilliant polished finish
  • ☑ High-flow 55 lb/hr fuel injectors for precise fuel atomisation across all RPM ranges
  • ☑ Advanced self-tuning ECU continuously adjusts air/fuel ratios on the fly without requiring a laptop
  • ☑ Dual wideband oxygen sensor setup provides accurate closed-loop fuelling feedback
  • ☑ Integrated MAP and IAT sensor system simplifies engine bay plumbing and wiring
  • ☑ Includes handheld touchscreen controller for quick initial setup and live data monitoring

Technical Specifications

Brand FiTech Fuel Injection
Manufacturer Part Number (MPN) 30109
System Style 8-Stack Individual Throttle Body (ITB) EFI System
Intake Finish Polished Aluminum
Injector Rating 55 lb/hr (8 x 55 lb/hr Fuel Injectors)
Cylinder Head Compatibility GM LS3 / L92 / L76 / L99 / LSA / LS9 Cylinder Heads
Sensor Integration Combined MAP/IAT Sensor, Dual Wideband O2 Sensors
Control Method Self-Learning ECU with Touchscreen Handheld Controller

What’s Included in the Box

  • 1x FiTech Polished 8-Stack Intake Manifold & Throttle Body Assembly
  • 8x 55 lb/hr High-Flow Fuel Injectors
  • Aluminum Fuel Rail Assemblies with AN Fittings
  • Self-Learning ECU & Main Wiring Harness
  • 2x Wideband Oxygen Sensors with Weld-In Bungs
  • Integrated MAP / IAT Sensor Unit
  • Handheld Touchscreen Setup Controller & Extension Cable
  • Complete Mounting Hardware & Intake Gaskets

Engineered by FiTech, a global pioneer in self-tuning electronic fuel injection, the 30109 8-stack system delivers head-turning retro motorsport styling alongside smooth, modern engine driveability. JP Racing stocks genuine FiTech performance injection kits directly in the UK, supported by technical expertise and fast nationwide delivery.

Additional information

Weight 81.59 kg
Dimensions 55.88 × 40.64 × 43.18 cm

Frequently Asked Questions

The FiTech 30109 8-Stack EFI system is designed to bolt onto GM LS engines equipped with rectangular port cylinder heads, including LS3, L92, L76, L99, LSA, and LS9 port configurations. Always verify your intake port type prior to installation.

No laptop is required. The system utilizes FiTech's self-learning ECU software combined with an included color touchscreen handheld tuner. After answering a few simple engine parameters during initial setup, the ECU self-tunes and optimizes air/fuel ratios automatically as you drive.

The 55 lb/hr injectors in the 30109 system require a high-pressure EFI fuel delivery setup regulated to 58 PSI (4 bar). An appropriate high-flow EFI fuel pump and fuel regulator setup are recommended to maintain consistent fuel volume under load.

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