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Suggested Retail: $435.95
Your Price: $391.95

Chevrolet Small Block Manifolds

Hi-Ram Intake Manifold

PART #: 3984

UPC #: 032474398406

Emission Control Number 3

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 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!
Hi–Ram Intake Manifold 1957–1986 262ci–400ci, 1987–later with Aluminum Heads

  • 1 x 4 carburetor top
  • Square flange carburetor mounting
  • 2800-8000 RPM power band
  • Special D-shaped port runner design
  • Large volume plenum
  • Power band: 2800-8000 RPM
  • Height: Front 9.62", Rear 10.06"
  • Port Size: 1.89” height 1.18" width

Parts & Kits for 3984
1932 Replacement Manifold Top Only
8984 Manifold top gasket

Shipping Dimensions
L 24.000 in. x W 10.000 in. x H 10.000 in.
Weight 10.000 lb.

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