This Ultra Lo-Ram plenum lid fits Holley's Coyote intake manifold base, engineered for the stock bolt pattern OE heads found on 2011-2023 Ford 5.0 Coyote and related engine families (Voodoo, Predator). The Ultra Lo-Ram design clears 2015-2023 Mustang factory hoods and offers up to 42.6mm more rear clearance than a Ford Performance Cobra Jet manifold.
Specifications:
- Engine: Ford Coyote (2011-2023 5.0L and related Voodoo/Predator families)
- For use with: Ultra Lo-Ram intake base
- Throttle body configuration: Oval inlet, accommodates up to 150x66mm single throttle body; round inlets accept GT350, GT500, and LS 4-bolt throttle bodies
- Material: Aluminum
- Finish: Natural (as-cast)
- Part Number: 300-923
2011-2023 GT throttle bodies can be used with the optional 717-18 adapter.
FAQ
What manifold base does this lid fit?
Holley's Ultra Lo-Ram Ford Coyote intake base.
What throttle bodies work with this lid?
Round inlets accept GT350, GT500, and LS 4-bolt throttle bodies (up to 93mm); an oval inlet variant accommodates up to a 150x66mm single throttle body. 2011-2023 GT throttle bodies work with the optional 717-18 adapter.
Will this clear my factory Mustang hood?
Yes — the Ultra Lo-Ram design clears 2015-2023 Mustang factory hoods.

