Home / Shop / Edelbrock Pro-Flo 4 XT EFI Systems 35993 Fuel Injection System, XT, Self-Learning, Sequential Multi-Port, Black Powdercoated, 550 HP Max, Gen III/IV Rectangle Port, Kit

Edelbrock Pro-Flo 4 XT EFI Systems 35993 Fuel Injection System, XT, Self-Learning, Sequential Multi-Port, Black Powdercoated, 550 HP Max, Gen III/IV Rectangle Port, Kit

SKU: EDE35993

Fuel Injection Systems

Edelbrock

Edelbrock Pro-Flo 4 XT EFI Systems 35993 Fuel Injection System, XT, Self-Learning, Sequential Multi-Port, Black Powdercoated, 550 HP Max, Gen III/IV Rectangle Port, Kit

SKU: EDE35993

Fuel Injection Systems

Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

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Description

The Edelbrock part #35993 Pro-Flo 4 XT Sequential Port EFI System for Chevrolet LS GEN III/IV engines is equipped with the latest in technology and features. The EFI system comes complete with a Pro-Flo XT rectangular port black finish intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure. The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor, a water proof design and measures half the depth of the previous ECU. It also has an upgraded Bluetooth chip that is faster, more reliable and will not drop connection. We've added more features for the advanced tuner giving you control over air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, Rev limiter while retaining the simplicity Pro-Flo is known for. The key to the system is our exclusive E-Tuner 4 app with dyno developed base calibrations. The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU's self-learning capability to continually adjust the calibration to get the maximize performance of your engine. E-Tuner 4 features a simple and easy to use setup wizard to help you get started. Best of all, the E-Tuner 4 app is free and can be downloaded from the Google Play Store, allowing you to use your personal Android based smart phone or tablet. If you don't have a compatible device, then we also offer kits that include a 7" Android tablet with the E-Tuner 4 app pre-installed.Multiple dash displays are included to allow you to monitor engine vitals and performance from your Android smart phone or tablet.Pro-Flo 4 does not require laptop tuning.

Application Summary

Chevrolet:Small-Block Gen IV L76:364 (6.0L)/376 (6.2L);Chevrolet:Small-Block Gen IV L92:364 (6.0L)/376 (6.2L);Chevrolet:Small-Block Gen IV L99:364 (6.0L)/376 (6.2L);Chevrolet:Small-Block Gen IV LS3:364 (6.0L)/376 (6.2L)

Part Type

Fuel Injection System

Data: v4.2 - Upd: 2026-10-23 12:15:53

Features

New ECU Preloaded w/80 Dyno-Tuned Calibrations

Specifications

Product Attributes - Brand: Edelbrock
Product Attributes - Manufacturer's Part Number: 35993
Product Attributes - Part Type: Fuel Injection Systems
Product Attributes - Product Line: Edelbrock Pro-Flo 4 XT EFI Systems
Product Attributes - UPC: 085347359936
Product Attributes - Fuel Injection Style: Multi-port
Product Attributes - Fuel Injection System Type: Multi-port Throttle Body
Product Attributes - Maximum Horsepower with Gas: 550
Product Attributes - Timing Control Compatible: Yes
Product Attributes - ECM Included: Yes
Product Attributes - Self Tuning: Yes
Product Attributes - User Tunable: Yes
Product Attributes - Fuel System Included: None
Product Attributes - Ignition System Included: None
Product Attributes - Power Distribution Included: None
Product Attributes - User Interface Included: Bluetooth
Product Attributes - EGR: No
Product Attributes - Transmission Controller Included: No
Product Attributes - Metering Style: Speed density
Product Attributes - Intake Material: Aluminum
Product Attributes - Intake Color: Black
Product Attributes - Engine Block Deck Height: Standard deck
Product Attributes - Multi-Port Fuel Rails Included: Yes
Product Attributes - Throttle Body Included: Yes
Product Attributes - Venturi Quantity: 1
Product Attributes - Venturi Diameter (mm): 90.00mm
Product Attributes - Airflow Rate (cfm): 1,100 cfm
Product Attributes - Throttle Body Material: Cast aluminum
Product Attributes - Throttle Body Color: Natural
Product Attributes - Injectors Included: Yes
Product Attributes - Injector Size (lbs./hr.): 35 lbs./hr.
Product Attributes - Calibration Module Included: No
Product Attributes - Wiring Harness Included: Yes
Product Attributes - Oxygen Sensor Included: Yes
Product Attributes - Fuel Pressure Regulator Included: No
Product Attributes - MAP Sensor Included: Yes
Product Attributes - IAT Sensor Included: Yes
Product Attributes - TPS Sensor Included: Yes
Product Attributes - IAC Motor Included: Yes
Product Attributes - Quantity: Sold as a kit.
Product Attributes - Notes: Supports up to 550 HP; rectangular port heads. Tuning and set-up app can be downloaded to a Bluetooth capable tablet or smart phone from either the Apple or Google app stores. GEN III 24x applications require coil harness EDL-35713. GEN IV 58x applications require coil harness EDL-35714. Use with boosted applications requires a 2.5-bar MAP sensor.

Reference Information

Brand Name/s	Edelbrock
StreetFX SKU	ede35993
SFX Item ID	4809915
Supplier Item Code	4809915
Manufacturer SKU	35993
Manufacturer UPC	85347359936
Alternative References	EDB35993, EDL-35993