Weiand Sb Chev 2 X 4Bl Tunnel Ram 280 8000 Rpm Takes Sq.Bore Carbs 1984
(Prior to Dispatch)
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HI-RAM SERIES: Thesetunnel ram Manifolds are usedprimarily in drag racing,tractor/truck pulls andperformance marineapplications where high RPMperformance is required. Theeffective RPM range isbetween 2,800 to 8,000 RPM.The Weiand Hi-Ram, with it'spatented D-shaped portrunners and large plenumchamber, provides optimumvelocity of the air/fuelmixture to the cylinder headintake ports. For maximumperformance in a naturallyaspirated competitionapplication, the WeiandHi-Ram is the Manifold ofchoice!
InstallationNotes: GM HEI will notclear, Use Side-by-Side 2 x 4Tunnel Ram CarburettorLinkage Kit # 4021. Whenusing Carburettors withvacuum operated secondaries,use Diaphragm Housing Covers# 20-28, for more even andbalanced secondary operation.
Features:
- 2 x 4carburettor top
- Square flange carburettorunting
- 2800-8000 RPMpower band
- SpecialD-shaped port runner design
- Large volume plenum
- Power band:2800-8000 RPM
- Height:Front 9.06", Rear 9.50"
- Port Size: 1.89" height1.18" width