Holley Hi-Ram EFI intake manifolds are now available for 1965 & later 396-502+ Mkiv-Mkvi Big Block Chevy engines with standard intake flange rectangle-port cylinder heads. Traditional Big Block Chevy engines can now also be fitted with the Holley Brand Hi-Ram type EFI intake manifolds that have so well served Gm Ls & Lt, Gen 3 Hemi, Sbf Ford, and Ford Coyote engine platforms.
The iconic Chevy Sbc & Bbc platforms are primed for 21st century induction systems, Holley EFI engine management, and Holley fuel systems.
Features and Benefits:
- 2.40 inch tall x 1.60 inch wide port flange openings, uses Mr
- Gasket intake manifold gasket #5817 Designed for 1965 & later 396-502+ Mkiv-Mkvi standard 9.80 inch deck height Big Block Chevy engines with standard intake flange rectangle-port cylinder heads
- Requires the use of early type Gm or small cap Msd or Holley Distributors
- Not compatible with Hei distributors Cast 356-T6 Aluminum Construction, Natural, Satin As-Cast Aluminum Finish Power Band: 1500-8000 RPM The coolant outlet is a standard Chevy thermostat housing flange
- and (2) 1/2 NPT and (1) 3/8 NPT coolant ports are provided
- Map sensor port is for a Gm Gen Iv Ls Map sensor, manifold also has provisions for (1) 1/8 NPT, (1) 1/4 NPT, (1) 3/8 NPT fittings to the plenum Black anodized EFI fuel rails are machined for -10AN O-ring fittings and come included with these EFI Hi-Ram kits.
Details:
- Basic Operating RPM Range: 1500-8000 RPM
- Cnc Ported: No
- Carburetor Studs Included: No
- Color: Natural
- Construction: Cast
- Cylinder Head Port Shape: Rectangle
- Deck Height: 9.8 Inch
- Egr Port: No
- Engine: Chevy Big Block V8
- Fuel Injectors Included: No
- Fuel Rail(s) Included: Yes
- Fuel System Type: EFI
- Gasket Or Seal Included: Yes
- Grade Type: Performance
- Intake Port Gasket(s) Included: No
- Manifold Type: Hi-Ram
- Material: Aluminum
- Nitrous Bung(s) Included: No
- Plenum Finish: Natural
- Removable Runners: No
- Removable Top/Lid: Yes
- Single Or Dual Plane Type: Single Plane
- Throttle Body Gasket Included: No
- Throttle Body Included: No
- Type of Component: Lower Manifold
- Vacuum Ports: Yes
- Warranty: Manufacturer's Limited 90 Day Warranty
Holley Hi-Ram Base, Big Block Chevy Hi-Ram EFI Base for 1965 & Later 396-502+ MKIV-MKVI Big Block Chevy Engines with Standard Intake Flange Rectangle-Port Cylinder Heads Holley 300-961
Specifications:
| Country of Origin | USA |
| Sold As | Each |
| UPC | 90127963449 |
| Availability | Available |
| Universal | Yes |