Air and Fuel› Fuel Injection Systems and Components - Electronic

Edelbrock

PRO FLO 4 XT LS3 FUEL INJECTION KIT SEQUENTIAL PORT LS3 GEN IV RECT PORT 550 HP MAX 35 LbHr INJECTORS BLACK

$2,984.55

SKU: E003 35993

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Edelbrock Pro-Flo 4 XT EFI Kit #35993 for Chevrolet LS GEN III/IV engines features a Pro-Flo XT rectangular port black finish intake manifold and 35 Lb/Hr injectors (550 HP with 58 p.s.i. fuel pressure). It includes an all-new ECU with a faster processor, waterproof design, and upgraded Bluetooth chip for reliable wireless connection. The system offers advanced tuning control via the free E-Tuner 4 app (Android/iOS) with self-learning capability for air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, and Rev limiter.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandEdelbrock
Part NumberE003 35993

Videos

Edelbrock Pro-Flo 4 EFI system

Edelbrock Pro-Flo 4 EFI system
Best SBC EFI System? Pro-flow XT (Carburetor lovers check this out!)

Best SBC EFI System? Pro-flow XT (Carburetor lovers check this out!)
My review of the Edelbrock Pro Flo 4 after 4 years of use on a 355 chevy in a 1993 OBS C1500

My review of the Edelbrock Pro Flo 4 after 4 years of use on a 355 chevy in a 1993 OBS C1500
ProFlo 4 tuning options a little more details

ProFlo 4 tuning options a little more details
Switching From Carburetor to Pro-Flo 4 EFI With Street Muscle Magazine

Switching From Carburetor to Pro-Flo 4 EFI With Street Muscle Magazine
Edelbrock LIVE Episode #1: Pro-Flo 4

Edelbrock LIVE Episode #1: Pro-Flo 4
Pro Flo 4 XT First Start!! Trying Out Edelbrock's New Fuel and Intake System!

Pro Flo 4 XT First Start!! Trying Out Edelbrock's New Fuel and Intake System!

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy