Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Features, Description, Q&A, Specs & Installation
Compact Intake Geometry With Track-Proven Efficiency. The Holley EFI Ultra Lo-Ram Base is engineered to support high-powered EFI engines in space-limited engine bays. With a front-feed plenum design, it promotes smooth airflow under pressure, making it ideal for turbo or supercharged setups. Its modular design allows top and throttle body swaps depending on airflow requirements and build configuration.
Built for Strength, Versatility, and Performance. Machined from cast aluminum and finished in durable black powder coat, this intake provides the rigidity needed for boosted applications. The compact design lowers plenum height without restricting performance, supporting over 1,000 horsepower with proper tuning and components.
Installation. This product installs to the lower intake manifold using standard hardware; throttle body and fuel rail fitment must be verified.
Application. This Holley EFI Ultra Lo-Ram Intake Manifold Base; Front Feed; Black fits 2011–2023 Mustang GT and GT350 models.
Holley EFI 300-921BK
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
What's in the Box