36671 Retro LS 650 HP Classic Gold EFI System With Go Fuel In-Tank Regulated Pump 340 LPH Master Kit
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FITECH FUEL INJECTIONPART NUMBER: 546-36671

36671 Retro LS 650 HP Classic Gold EFI System With Go Fuel In-Tank Regulated Pump 340 LPH Master Kit

$2,03499
ShippingShips on 09/23/2026
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Retro LS 650 HP Classic Gold EFI System With Go Fuel In-Tank Regulated Pump 340 LPH Master Kit

FiTech 36671 Features:

The Go Fuel In-Tank Regulated Pump Assembly 340LPH. This pump offers a simplified approach to fuel delivery for fuel injected engines with its single line system. Its adjustable depth of 6 1/2 to 16 inches make it suitable for most EFI ready tanks. The pump also features an AN-6 pressure port, a 4 bar (58 PSI) regulator, and has a low-profile design. With a 3-year limited warranty, you can trust in its reliability.

The ultimate solution for fuel management and delivery – FiTech's Master EFI Kits. Seamlessly integrating an advanced EFI system with a perfectly paired fuel delivery setup, these master kits redefine performance and reliability. Experience enhanced horsepower, optimized fuel efficiency, and effortless startups. With FiTech's cutting-edge technology, this all-inclusive package eliminates the guesswork, offering a comprehensive solution for enthusiasts all in one box. Unleash the power of electronic fuel injection while ensuring a seamless and reliable fuel supply. Elevate your driving experience with FiTech Master EFI Kits – where precision meets power in perfect harmony.FiTech Fuel Injection introduces the Retro LS! Have you been hesitant on switching to EFI because you like the traditional look of a carburetor? Do you have a GM 4L60/80E Transmission in your hotrod? There is no more need to worry! FiTech’s Retro LS EFI 650hp fuel injection systems offer a “golden” opportunity for impressive looks and performance. These classic gold engine-toppers with transmission control are complete throttle body kits, suitable for everything from your junkyard 5.3 to a Stroker 427—and they deliver old-school carburetor looks with EFI technology and reliability. Whether a do-it-yourself hot rodder or professional EFI tuner, the features of the FiTech Retro LS EFI 650hp system are sure to inspire you. Now you can have all of the benefits of EFI yet, maintain the traditional looks of a carburetor. This system is ready to go with the needed wiring harness and sensors to get you on the road easily and faster than any system on the market today. Our system is easy to install, no computer experience required, a tight fit regulator and a hand-held tuner is included.

  • Classic gold finish for that Carburetor look with the drivability of EFI.
  • Innovative Annular discharge design.
  • Flow matched 80 lbs injectors.
  • Semi sequential fuel and full spark control.
  • Fits V8 engines from 250-650 horsepower.
  • Bosch wide band controlled.
  • Trouble-free performance with today’s fuels – put an end to vapor lock and fuel varnish problems!
  • 24x and 58x crank and cam compatible.
  • 4150 style 4BBL mounting flange – Bolts on in place of carburetor.
  • 1 BAR MAP sensor, TPS, and IAC sensor integrated onto the throttle body.
  • Fully self-tuning ECU – No laptop required.
  • Custom cam friendly.
  • Includes full color, touch screen LCD for both basic and advanced tuning options.
  • Knock sensor control.
  • Transmission control suitable for 4L60, 4L65, 4L80 GM transmissions.
  • Connections for Ford, GM TH350, 700R4 and other transmission linkages.
  • Easy plug and play harnesses with minimal connections.
  • Virtually maintenance free – keeps your vehicle reliable and ready to drive.
  • 50018 Depth of 6 1/2? to 15?
  • 4 bar (58PSI) regulator
  • Universal fit
  • 340LPH
  • Fits most EFI ready tanks
  • AN-6 pressure port
  • Low-profile design
  • Single line fuel system

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeFuel Injection System
BrandFITECH FUEL INJECTION
Package Height11.0
Package Width18.0
Package Length24.0
Weight32.0 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number36671
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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