This bolt-down 105mm plenum top is designed to fit EFI Hi-Ram manifolds, giving builders a high-flow top for custom lower intake manifold combinations. Finished in natural as-cast aluminum.
Specifications:
- Throttle bore: 105mm
- Design: Bolt-down through-design, top only
- Material: Cast aluminum
- Finish: Natural, as-cast
- Basic operating RPM range: 1500-7000
- Fuel system type: EFI
- Throttle body gasket: Not included
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 300-246
The front and rear height specs reference overall height with the top plate installed; see the product images for additional dimensions.
Compliance: This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).
FAQ
What size throttle body does this plenum top use?
It's built for a 105mm throttle bore opening.
Does this include the lower manifold?
No, this is the top only, designed for use on custom lower Hi-Ram intake manifolds.
What finish does it come in?
It's finished in natural, as-cast aluminum.
Is this legal for street use?
This part is legal for sale and use on Racing Use Only vehicles and cannot legally be installed on emissions-controlled street vehicles.
