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

£5,338.79 Inc. VAT

SKU: FIT30106 Categories: , , Brand:

Description

Part Number: 30106

FiTech 8 Stack EFI LS1 System

Transform your GM LS1 engine with vintage race-inspired individual runner aesthetics and state-of-the-art multi-port fuel injection performance.

Product Overview

The FiTech 8 Stack EFI LS1 System (PN 30106) combines iconic high-rpm velocity stack styling with modern, self-learning electronic fuel injection technology. Engineered specifically for GM LS1 platforms, this multi-port EFI kit replaces standard intake manifolds with eight individual throttle bodies and precision velocity stacks, delivering instantaneous throttle response, optimized air distribution, and show-stopping under-bonnet appearance. Equipped with high-flow 55 lbs/hr injectors, it provides precise fuel metering for high-performance naturally aspirated LS builds.

Key Features & Benefits

  • ☑ Individual Runner Design: Eight individual velocity stack throttle bodies for optimal airflow and ultra-responsive throttle feedback.
  • ☑ High-Flow 55 lb/hr Injectors: Pre-matched multi-port fuel injectors capable of supporting substantial horsepower outputs.
  • ☑ Self-Tuning Technology: Advanced ECU continuously monitors engine feedback to optimize air/fuel ratios on the fly.
  • ☑ Billet Fuel Rails: Heavy-duty high-flow fuel rails designed to withstand high pressure and ensure steady fuel delivery.
  • ☑ Precision Machined Construction: Engineered to fit GM LS1 cylinder heads seamlessly while enhancing engine bay aesthetics.

Technical Specifications


Brand FiTech Fuel Injection
Manufacturer Part Number 30106
Engine Compatibility GM LS1 / LS Series (Cathedral Port)
System Type 8 Stack / Velocity Stack Individual Runner
Injection Style Multi-port Electronic Fuel Injection
Injector Size 55 lbs/hr (55 lb/hr)
Fuel Delivery Type High-Pressure EFI Fuel Rail Assembly

What’s Included in the Box

  • FiTech 8-Stack Individual Runner Intake Manifold Assembly
  • 8 x Precision Aluminum Velocity Stacks
  • 8 x 55 lbs/hr Fuel Injectors
  • High-Flow Billet Aluminum Fuel Rails
  • Main EFI Wiring Harness & Engine Sensors
  • Handheld Touchscreen Setup Controller
  • Gaskets, Mounting Hardware & Vacuum Fittings

Engineered to race-proven standards by FiTech Fuel Injection, this 8 Stack system offers unmatched reliability and visual impact. All FiTech components supplied by JP Racing are backed by expert UK technical support and fast, reliable UK nationwide shipping.

Additional information

Weight 81.59 kg
Dimensions 55.88 × 40.64 × 43.18 cm

Frequently Asked Questions

The FiTech 30106 system is engineered specifically for GM LS1 and cathedral-port LS-series V8 engines. It replaces traditional intake manifolds with an eight-stack individual runner setup tailored to cathedral-port LS cylinder heads.

The FiTech 30106 kit includes high-flow 55 lbs/hr fuel injectors. These injectors provide robust fuel delivery suited for performance-built LS1 engines while maintaining smooth idle quality and crisp throttle response.

As a multi-port fuel injection system, the FiTech 30106 requires a dedicated high-pressure EFI fuel delivery setup (typically 43-58 PSI operating pressure) complete with an EFI-rated fuel pump, inline filter, and fuel pressure regulator.

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