JP Racing; Store » Air & Fuel Delivery » FiTech Fuel Delivery » Fuel Injection Master Kit » FITECH Retro LS 650 HP/ Classic Gold/ EFI System/ Go Fuel 255 LPH In Tank/ Go Fuel Regulator/ AN-6 Fittings/ 0-100 PSI Gauge/ Master Kit
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FITECH Retro LS 650 HP/ Classic Gold/ EFI System/ Go Fuel 255 LPH In Tank/ Go Fuel Regulator/ AN-6 Fittings/ 0-100 PSI Gauge/ Master Kit

£2,300.83 Inc. VAT

SKU: FIT36171 Categories: , , Tag: Brand:

Description

Part Number: 36171

FiTech Retro LS 650 HP Classic Gold EFI System Master Kit

Retrofit vintage carburetor aesthetics with modern LS performance using FiTech’s complete self-tuning throttle body EFI master kit.

Key Features

  • ☑ Classic Gold Finish: Retains authentic 4-barrel carburetor appearance while delivering precise fuel injection.
  • ☑ Complete Master Kit: Includes Go Fuel 255 LPH in-tank pump module and 4-bar (58 PSI) tight-fit pressure regulator.
  • ☑ Broad LS Engine Support: Compatible with 24x and 58x crank/cam signals for naturally aspirated LS engines up to 650 HP.
  • ☑ Electronic Transmission Control: Integrated control capabilities for GM 4L60E, 4L65E, and 4L80E automatic transmissions.
  • ☑ Self-Tuning Technology: Intelligent ECU constantly learns and optimizes fuel mapping without needing a laptop.
  • ☑ Touchscreen Interface: High-resolution handheld controller provides straightforward initial setup and real-time gauge monitoring.

Technical Specifications

Brand FiTech Fuel Injection
Manufacturer Part Number (MPN) 36171
Product Series Retro LS 650 HP Classic Gold EFI Master Kit
Maximum Horsepower 650 HP
Throttle Body Finish Classic Gold
Flange Type 4150 Square Bore 4BBL Flange
Engine Compatibility GM LS Series V8 (24x and 58x Reluctor)
Transmission Control GM 4L60E, 4L65E, 4L80E
Fuel Pump Module Go Fuel 255 LPH In-Tank Pump (6.5″ – 15″ Adjustable Depth)
Fuel Pressure Regulator 4-Bar (58 PSI) Tight Fit Regulator
Injectors 80 lb/hr Flow-Matched Injectors
Oxygen Sensor Bosch LSU 4.2 Wideband O2 Sensor

What’s Included in the Box

  • FiTech Classic Gold LS Throttle Body with Onboard Sensors & Injectors
  • Go Fuel 255 LPH In-Tank Fuel Pump Assembly
  • Go Fuel 4-Bar (58 PSI) Fuel Pressure Regulator
  • Full-Color Touchscreen Handheld Controller & Cable
  • Bosch Wideband O2 Sensor & Stainless Clamp-On Exhaust Flange
  • Complete Plug-and-Play Wiring Harness with Transmission Lead
  • Coolant Temperature Sensor & Gasket Kit

At JP Racing, we supply official FiTech performance fuel injection products backed by expert technical advice and prompt UK dispatch. Enhance your LS conversion with modern reliability, cold-start efficiency, and classic street muscle style.

Additional information

Weight 70.56 kg
Dimensions 60.96 × 45.72 × 27.94 cm

Frequently Asked Questions

The FiTech 36171 Retro LS system is designed for naturally aspirated GM LS V8 engines up to 650 HP, supporting both 24x and 58x crank and cam signals. Additionally, it features built-in electronic transmission control for GM 4L60E, 4L65E, and 4L80E automatic gearboxes.

This Master Kit package includes the Go Fuel 255 LPH in-tank fuel pump assembly with an adjustable depth range of 6.5" to 15" to suit EFI-ready fuel tanks, along with a 4-bar (58 PSI) tight-fit regulator and AN-6 fittings for a clean single-line fuel setup.

No laptop is required. The system incorporates self-tuning ECU software that automatically adjusts air/fuel ratios based on driving conditions. Setup and fine-tuning adjustments are easily managed using the included color touchscreen handheld unit.

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