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Chevrolet Big Block Manifolds

Hi-Ram Intake Manifold

PART #: 1985

UPC #: 032474198501

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! This Manifold is designed to be used with performance oval port heads.
Hi–Ram Intake Manifold 396ci–502ci with Performance Rectangular Port Heads

Installation Notes
GM HEI will not clear, Use Side-by-Side 2 x 4 Tunnel Ram Carburetor Linkage Kit # 4022. When using Carburetors with vaccum operated secondaries, use Diaphragm Housing Covers # 20-28, for more even and balanced secondary operation.Will fit tall blocks with use of Weiand P/N 8204 Manifold spacer plate kit.


Features
  • 2 x 4 carburetor top
  • Square flange carburetor mounting
  • 2500-7800 RPM power band
  • Special D-shaped port runner design
  • Large volume plenum
  • Power band: 2500-7800 RPM
  • Height: Front 10.12", Rear 10.93"
  • Port Size: 2.34” height 1.55" width
  • Carb Flange Center-To Center 9-11/16"



Shipping Dimensions
L 24.000 in. x W 12.000 in. x H 12.000 in.
Weight 29.160 lb.
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