Description
Performance Improvement. The Holley EFI Ultra Lo-Ram Intake Manifold Base; Front Feed; Satin is engineered to enhance airflow and boost mid to high RPM power on Ford 5.0 Coyote engines. It is designed for compatibility with stock cylinder heads and supports OEM-style fuel injectors for seamless integration. This manifold base serves as a critical component to optimize engine performance and accommodate various throttle bodies.
Construction and Appearance. The intake manifold base is crafted from durable cast aluminum with an as-cast finish, providing the robustness necessary for both naturally aspirated and boosted applications. Its black or natural finish offers a clean, functional aesthetic suitable for performance engine builds.
Installation. Installation is straightforward and requires no additional drilling; it uses existing bolt patterns for a direct fit. The modular design allows easy access to runners for porting or accessory installation.
Application. Specifically designed to fit 2011-2023 Mustang GT and GT350 engines, ensuring compatibility with factory hood clearances and throttle body configurations for these models.
Holley EFI 300-921
CA Residents: WARNING: Cancer and Reproductive Harm
- Ultra Lo-Ram Intake Base with no top included
- Designed to fit stock bolt pattern OE heads on Ford 5.0 Coyotes and related engines
- Includes fuel rails for OEM type fuel injectors and clips, mounting hardware, and O-ring gaskets
- Runner length of 9.20 inches to improve mid to high RPM powerband
- Provides additional clearance compared to Ford Performance Cobra Jet manifold
- Clears 2015-2023 Mustang factory hoods
- Available in round and oval throttle body configurations
- Oval inlet supports up to 150x66mm single throttle body, round up to 93mm
- Standard mounting provisions for GT350, GT500, and LS 4-bolt throttle bodies
- Optional adapter allows use of 2011-2023 GT throttle bodies
- Modular design allows porting and accessories like intercoolers and nitrous plates
- Fuel rails feature -8AN ports and dual 1/8 NPT accessory ports
- As-cast aluminum construction for durability and weldability
- Refined port design to reduce turbulence without flow loss
- Includes two 1/8 NPT ports and two 3/8 NPT ports, except one model with one 3/8 NPT port
- Single plane design
- Vacuum ports included
- Fits 2011-2023 Mustang GT, GT350
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