Weiand 1985 Hi-Ram BBC Intake Manifold, Rectangular Port Heads

Hi-Ram Series: These Big Block Chevy tunnel ram manifolds are used primarily in drag racing, tractor/truck pulls and performance marine applications where high RPM performance is required. The effective RPM range is between 2,800 to 8,000 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, the WEIAND Hi-Ram is the manifold of choice! This manifold is designed to be used with performance oval port heads.

• 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: 2500-7800 RPM
• Height: Front 10.12", Rear 10.93"
• Port Size: 2.34 height 1.55" width
• Carb Flange Center-To Center 9-11/16"

Installation Instructions (PDF)

Installation Instructions (PDF)