Engineered for maximum performance in high-RPM applications like drag racing, tractor pulls, and performance marine use, the Weiand Hi-Ram intake manifold is your key to unlocking serious power. Its effective RPM range spans from 2,800 to 8,000 RPM, making it ideal for competition.
The Hi-Ram features a patented D-shaped port runner design and a large plenum chamber. This advanced design optimizes the velocity of the air/fuel mixture as it travels to the cylinder head intake ports, ensuring efficient combustion and increased horsepower.
For naturally aspirated competition builds demanding the absolute best, the Weiand Hi-Ram stands as the premier choice. This manifold is specifically designed for use with performance oval port heads and accommodates a dual 4-barrel carburetor setup with square flange mounting.
Key specifications include a broad 2500-7800 RPM power band, a substantial plenum volume, and a height of 10.12 inches at the front and 10.93 inches at the rear. The ports measure 2.34 inches high by 1.55 inches wide, with a carb flange center-to-center measurement of 9-11/16 inches.
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