Hi-Ram Intake Manifold 396ci-502ci with Performance Rectangular Port Heads

Part Number: 1985WND

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. marine applications where high RPM performance is required. The effective RPM range is between Weiand Nostalgia series intakes are proudly cast and machined in the USA. This manifold is part of the Weiand Nostalgia Series of intake manifolds. Weiand Nostalgia Series intake manifolds are made using the original tooling, and may have minor appearance imperfections that do not affect the functionality of the part. These minor blemishes are a natural part of the casting process when using the original sand casting tooling. We support all areas of the vintage, show, and nostalgia car hobby, and want to continue to produce these lower volume manifolds using the original tools. There is no need to search for that vintage intake at swap meets or on the internet when you can buy the real deal new from Weiand! HI-RAM SERIES: These tunnel ram manifolds are used primarily in drag racing, tractor/truck pulls and performance If you are not satisfied with a Nostalgia Series intake, we will gladly exchange it or refund your money. Our tech service representatives can be reached at 1-866-464-6553.

Features and Benefits

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

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.