Weiand BBC 396-502 HI-RAM Tunnel Ram Intake Manifold Oval Port, The effective RPM range is between 2,500 to 7,800 RPM. The WEIAND Hi-Ram, with it's patented D-shaped port runners and large plenum chamber, provides optimum velocity of the air/fuel mixture to the cylinder head intake ports. For maximum performance in a naturally aspirated competition application.
- 2 x 4 carburetor top
- Square flange carburetor mounting
- 2500-7800 RPM power band
- Special D-shaped port runner design
- Large volume plenum
- Power band: 2800-8000 RPM
- Height: Front 10.12", Rear 10.93"
- Port Size: 1.82” height 1.60" width
- Carb Flange Center-To Center 9-11/16"
- Weiand Nostalgia Series Intake Manifol
- Hi-Ram
- Dual Square Bore
- Tunnel Ram
- Oval Port
- Aluminum
- Natural
- 396-502 CID
- Big Block Chevy
- Standard 9.8 Deck
- Each
GM HEI will not clear, Use Side-by-Side 2 x 4 Tunnel Ram Carburetor Linkage Kit # 4022. When using carburetors with vaccum operated secondaries, use Diaphragm Housing Covers # 20-28, for more even and balanced secondary operation.Will fit tall blocks with use of Weiand P/N 8206 manifold spacer plate kit.