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Edelbrock Upper Plenums for Fuel Injected Intake Manifolds
Open a New Dimension to Fuel Injection Possibilities

TORRANCE, CA - Edelbrock has been on the cutting edge of fuel injection in the performance aftermarket for more than 15 years. Recent advancements in stand alone fuel injection systems, like the Edelbrock Pro-Tuner, offer unlimited potential to the fuel injection consumer---from the street performance cruiser to the competition racer. To compliment their popular line of fuel injection intake manifolds and EFI systems hardware, Edelbrock has released a line of upper intake plenums to accommodate virtually any intake and throttle body combination.

Engineered in Pro-E 3D modeling software and put through the rigors of Computation Fluid Dynamic (CFD) analysis, Edelbrock's upper intake plenums for EFI applications are designed to fit and function. By testing in (CFD) Edelbrock engineers were able to tune the upper plenums to more effectively distribute airflow into the intake plenum. Five applications are being offered in various heights and styles, all of which are designed to adapt a front-mount, round throttle body to a 4150-style square-bore intake mounting pad. Edelbrock also offers a line of throttle bodies in popular 75mm, 80mm and 90mm sizes.

Description Cast Finish Black Coated Finish
Ultra-low profile 3847 38473
Low Profile 3848 38483
Tall Profile 3849 38493
Box Style, low profile forward mount 3850 38503
Box Style, low profile sideways mount 3851 38513

    Features Include:
  • Precision engineered in Pro-E 3D software
  • CFD tested for accurate and equal air distribution
  • Variety of profiles, low-to-tall, to accommodate any custom EFI application
  • Available with standard cast and black powder coated finishes
  • 3847, 3848 & 3849 can be mounted and clocked four different ways on the intake mounting flange
  • Throttle-body flange accommodates round GM, Ford and universal throttle bodies from 75mm-90mm

For more information please visit us at


Founded in 1938, Torrance-based Edelbrock, LLC is recognized as one of the nation's premier designers, manufacturers and distributors of performance replacement parts for the automotive and motorcycle after markets. For more information please visit us at

Edelbrock, LLC opened its first green sand foundry in 1990 in order to fully control the quality of the castings. A brand new robotically-controlled permanent mold facility was opened in 2007. The Edelbrock Foundries are ISO 9001 registered, delivering modern production solutions for aluminum casting and Made in the USA quality.

Edelbrock, LLC. .:. 2700 California St. Torrance CA. 90503