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Pro-Flo 4 EFI Kit for Pontiac 326-455 C.I.D. Engines up to 550 HP, NO Tablet EDL-35970

Fuel Injection System, Pro-Flo 4, Self-Learning, Multi-Port, Satin, 550 HP Max, NO Tablet, Pontiac 326-455, Kit (not recommended with E85)
Pricing: $2,467.95

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The Edelbrock part # 35970 Pro-Flo 4 EFI System for Pontiac 326-455 C.I. engines is equipped with the latest in technology and features. The EFI system comes complete with a traditional 4150-Style satin finish single plane intake manifold and 29 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure. Also included is a plug and play single connection distributor designed to work specifically with Pro-Flo 4 and a made in the USA fully terminated high-quality harness with clearly labeled connections to ensure a hassle-free installation. 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 maximum performance. 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. Multiple dash displays are included to allow you to monitor engine vitals with an Android smart phone or tablet. Pro-Flo 4 does not require laptop tuning.

This kit will require a high pressure EFI fuel delivery system. Fuel delivery systems are available and sold separately. 359700 manifold height: 6.60". Throttle body height: 2.25"

Self Tuning: Yes
User Tunable: Yes
Maximum Horsepower with Gas: 450
Timing Control Compatible: Yes
Transmission Controller Included: No
Injection Style: Multi-port
Metering Style: Speed density
Power Adder Compatible: No
Intake Manifold Included: Yes
Intake Section Included: Complete
Intake Material: Aluminum
Intake Finish: Natural
Engine Block Deck Height: Standard deck
Fuel Rails Included: Yes
Throttle Body Included: Yes
Throttle Body Mounting Flange: 4-barrel square bore
Venturi Quantity: 4
Venturi Diameter (mm): 44.45mm
Airflow Rate (cfm): 1,000 cfm
Throttle Body Material: Aluminum
Throttle Body Finish: Natural
Injectors Included: Yes
Injector Size (lbs/hr): 29 lbs./hr.
Calibration Module Included: Yes
ECM Included: Yes
Wiring Harness Included: Yes
Oxygen Sensor Included: Yes
Fuel Pump Included: No
Fuel Pressure Regulator Included: No
Distributor Included: Yes
MAP Sensor Included: Yes
IAT Sensor Included: Yes
TPS Sensor Included: Yes
IAC Motor Included: Yes
Gear size: .500"


The Pro Flo 4 EFI system has an internal coil driver capable of direct firing an inductive ignition coil. An inductive coil alone will support most applications without the need of a CDI box. The following is a list of alternative coils that have been validated by Edelbrock to work well with the Pro Flo 4 system:

MSD Blaster 2 #8202
MSD Blaster 3 #8223
MSD Street Fire #5524
Pertronix Flame-Thrower #40111
Edelbrock #22746


  • EDL-35970
  • EDL-35970
  • Edelbrock
  • New


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