HI-RAM SERIES: These 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 3,200 to 9,000 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!
2 x 4 carburetor top.
Square flange carburetor mounting.
Special D-shaped port runner design.
Large volume plenum.
Power band: 3200-9000 RPM.
Height: Front 8.81", Rear 9.18".
Port Size: 2.36” height 1.63" width.
Carb Flange Center-To Center 8-3/4".
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