JP Racing; Store » Air & Fuel Delivery » FiTech Fuel Delivery » Fuel Injection » FITECH LS1/ 8 Stack/ Polished Cathedral Intake/ Fits LS1, LS2, LS6, LR4, LM4, LM7, LQ4, LQ9 Heads/ Transmission Control/ Dual O2 Sensors/ Self Learning/ 55lb Injectors
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FITECH LS1/ 8 Stack/ Polished Cathedral Intake/ Fits LS1, LS2, LS6, LR4, LM4, LM7, LQ4, LQ9 Heads/ Transmission Control/ Dual O2 Sensors/ Self Learning/ 55lb Injectors

£5,447.99 Inc. VAT

SKU: FIT30107 Categories: , , Brand:

Description

Part Number: 30107

FiTech 8 Stack Self-Tuning EFI System – GM LS1 Cathedral Port (Polished Finish)

Combine nostalgic 1960s downdraft multi-stack styling with cutting-edge self-tuning electronic fuel injection for your GM LS1 cathedral port engine.

Key Features & Performance Benefits

  • ☑ Classic 8-stack downdraft aesthetics with high-grade polished aluminum finish
  • ☑ Designed specifically for GM LS1, LS2, and LS6 cathedral port intake manifolds
  • ☑ Eight individual 55mm throttle body venturis providing crisp throttle response
  • ☑ High-flow multi-port fuel rails equipped with eight 55 lbs/hr fuel injectors
  • ☑ Self-learning ECU algorithm eliminates complex dyno tuning and cold start issues
  • ☑ Integrated electronic transmission control compatible with 4L60E and 4L80E automatics
  • ☑ Combined MAP and IAT sensor design simplifies wiring and engine bay layout
  • ☑ Handheld color touchscreen controller included for effortless setup and live monitoring

Technical Specifications

Brand FiTech Fuel Injection
Manufacturer Part Number 30107
Engine Compatibility GM LS1 / LS2 / LS6 (Cathedral Port)
System Style 8 Stack Downdraft Multi-Port EFI
Finish Polished Aluminum
Venturi Diameter 55.00mm (8 Throttle Bodies)
Injector Size 55 lbs/hr (8 Injectors Included)
Engine Management Self-Tuning ECU with Handheld Touchscreen Controller
Transmission Control Integrated (Supports GM 4L60E / 4L80E)
Sensors Combined MAP/IAT Sensor, Wideband O2 Sensor Setup

What’s Included in the Box

  • FiTech 30107 Polished 8-Stack Cathedral Port Intake Assembly
  • 8 x 55mm Throttle Bodies with Individual Velocity Stacks
  • 8 x 55 lbs/hr Fuel Injectors & Aluminium Fuel Rails
  • FiTech Self-Tuning Engine & Transmission Control Module (ECU)
  • Color Touchscreen Handheld Tuning Unit & Cable
  • Plug-and-Play Wiring Harness & Integrated MAP/IAT Sensor

Engineered to deliver stunning race-inspired aesthetics and seamless driveability, the FiTech 30107 8 Stack EFI Kit represents the pinnacle of modern retrofit fuel injection. As an authorized UK supplier, JP Racing provides genuine FiTech components backed by fast UK dispatch, comprehensive technical advice, and dedicated customer support for your performance engine build.

Additional information

Weight 81.59 kg
Dimensions 55.88 × 40.64 × 43.18 cm

Frequently Asked Questions

The FiTech 30107 8 Stack EFI system is designed specifically for General Motors LS-series engines featuring cathedral port cylinder head intake flange patterns, such as standard LS1, LS2, and LS6 applications.

Yes, this 8-stack system comes complete with FiTech's advanced ECU capable of controlling electronically managed GM automatic transmissions, including the 4L60E, 4L65E, 4L70E, and 4L80E series without requiring a standalone transmission controller.

Upon initial setup using the handheld touchscreen controller, you input basic engine parameters. As you drive, the ECU continuously reads air-fuel ratio data from the wideband oxygen sensor and automatically adjusts fuel mapping in real-time, eliminating the need for laptop tuning or chassis dyno sessions.

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