Hi-Ram manifolds are intended for drag racing only. Effective from 2500 to 10,000 RPM. Hi-Ram intakes have D-shaped port runners and a large plenum chamber to boost intake flow.
- Engine Block Style:
- Stock/OEM standard deck
- Basic Operating RPM Range:
- 2,800-8,000
- Intake Style:
- Tunnel Ram
- Material:
- Aluminum
- Finish:
- Natural
- Height:
- 10.930 in.
- Carburetor Quantity:
- Two
- Carburetor Mounting:
- 4-barrel square bore
- EGR:
- No
- Has Bosses:
- No
- Bosses Machined:
- No
- Boss Quantity:
- N/A
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1965-1990
- Engine Family:
- Chevy big block Gen V
- Years:
- 1991-1995
- Engine Family:
- Chevy big block Gen VI
- Years:
- 1996-2000
- Engine Sizes:
- 7.4L/454
- Cylinder Head Style:
- Rectangular port
