This Hi-Ram intake manifold base is designed for Ford 351W engines with a 9.5" deck height, built for use with aftermarket or, with some modification, OE cylinder heads. The redesigned water crossover passage adds clearance for distributor phasing.
Specifications:
- Manifold Type: Hi-Ram (EFI Base)
- Engine: Ford 351W, 9.5" Deck Height
- Material: Cast Aluminum
- Plenum Finish: Natural
- Port Size: 2.00" x 1.190"
- Fuel System Type: EFI
- Manifold Width: 11.32"
- Basic Operating RPM Range: 1,500-7,000
- Plenum Top Gasket Type: 3/32" Round O-ring Cord
- Part Number: 300-244
Requires the use of Holley EFI Dual Sync Distributor 565-111. This base is compatible with either the 95mm or 105mm GM LS throttle body top. Note: many Ford models use a heater core flow restrictor in the factory intake or heater hose fitting — verify your application needs one when replacing hoses or fittings, or risk heater core damage.
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 engines is the 300-244 designed for?
Ford 351W engines with a 9.5" deck height.
Does it include a manifold top?
No, this is the EFI base manifold only — 95mm and 105mm LS throttle body tops are available separately.
What distributor does it require?
The Holley EFI Dual Sync Distributor, part number 565-111.
Is this part legal for street use?
No. It's legal for sale and use only on Racing Use Only vehicles that are not registered or operated on the street.
