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FiTech Retro LS TBI 650 HP System In-Tank Pump Fuel Injection Master Kits 36371
Part Number: FIF-36371
FiTech Retro LS TBI 650 HP System In-Tank Pump Fuel Injection Master Kits
Retro LS 650 HP Classic Gold EFI System With Go Fuel 340 LPH In-Tank Master Kit
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Estimated Ship Date: Oct 20, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
36371
Part Type:
Product Line:
Summit Racing Part Number:
FIF-36371
UPC:
812061039376
Fuel Injection Style:
Throttle body
Fuel Injection System Type:
Single 4-Barrel Throttle Body (4150 Flange)
Maximum Horsepower with Gas:
650
Timing Control Compatible:
Yes
ECM Included:
Yes
Self Tuning:
Yes
User Tunable:
Yes
Fuel System Included:
In-tank fuel pump module, returnless
Ignition System Included:
None
Power Distribution Included:
None
User Interface Included:
4.5 in. display
EGR:
No
Transmission Controller Included:
No
Metering Style:
Speed density
Multi-Port Fuel Rails Included:
No
Throttle Body Included:
Yes
Throttle Body Mounting Flange:
4-barrel square bore
Venturi Quantity:
4
Venturi Diameter (mm):
44.00mm
Airflow Rate (cfm):
950 cfm
Throttle Body Material:
Cast aluminum
Throttle Body Color:
Gold
Injectors Included:
Yes
Injector Size (lbs./hr.):
80 lbs./hr.
Calibration Module Included:
Yes
Wiring Harness Included:
Yes
Oxygen Sensor Included:
Yes
Fuel Pressure Regulator Included:
Yes
MAP Sensor Included:
Yes
IAT Sensor Included:
Yes
TPS Sensor Included:
Yes
IAC Motor Included:
Yes
Quantity:
Sold as a kit.
Notes:
Fuel injection system includes: in tank fuel pump returnless module with 2 inch fill.
FiTech Retro LS TBI 650 HP System In-Tank Pump Fuel Injection Master Kits
FiTech Retro LS TBI 650 hp system in-tank pump fuel injection master kits deliver old school looks and modern EFI performance for your hot rod.
These kits feature a FiTech classic carburetor-gold throttle body with transmission control and a pre-terminated wiring harness with specific LS engine sensors, including the factory knock sensors to complement the built-in timing control. The remote ECU can control the transmission shift points and characteristics of the popular 4L60/65/80E transmissions. No laptop is required, and the system will work on 24x or 58x cam sensors. Also supplied with the Retro LS TBI is a handheld touch screen controller, cable and windshield mount, WBO2 sensor, bung kit, gaskets, mini USB cable, instructions, and warranty info.
For fuel delivery, these FiTech Retro LS master kits pair the TBI with a Go Fuel single fuel cell pump module—an ideal solution to your high-pressure fuel needs. It features a billet top assembly machined with a 2 in. filler assembly, as well as an internal regulator to maintain 58 psi. No return line is needed and the module is machined to fit fuel cells with a 12-bolt flange or can be installed on any tank with the supplied hardware.
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