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!

Installation Notes: Port-match the Manifold to the cylinder heads for best performance results.

Features:

• 2 x 4 carburettor top
• Square flange carburettor mounting
• Special D-shaped port runner design
• Large volume plenum
• Power band: 2800-9000 RPM
• Height: Front 9.93", Rear 10.31"
• Port Size: 2.05" height 1.83" width

Product Reviews for WM1993 - WEIAND