Weiand MANIFOLD - BBC, RECT 4500

WEIAND Weiand
SKU #WND-7623
Weiand MANIFOLD - BBC, RECT 4500The Weiand MANIFOLD - BBC, RECT 4500 is a high-performance single-plane intake manifold designed to provide ultimate airflow and power for Big Block Chevy engines. Engineered for drag racing and high-displacement builds, this manifold features an open plenum design to maximize horsepower and torque in the 3,500-8,000 RPM range.
SKU WND-7623
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Weiand MANIFOLD - BBC, RECT 4500

The Weiand MANIFOLD - BBC, RECT 4500 is a high-performance single-plane intake manifold designed to provide ultimate airflow and power for Big Block Chevy engines. Engineered for drag racing and high-displacement builds, this manifold features an open plenum design to maximize horsepower and torque in the 3,500-8,000 RPM range.

Key Features

  • Single-plane open plenum design for maximum high-RPM performance
  • Computer engineered for superior cylinder-to-cylinder distribution
  • Precision CNC-machined aluminum construction for optimal surface finish
  • Isolated plenum design to keep air/fuel mixture cooler

Specifications

  • Power Band: 3,500 - 8,000 RPM
  • Carburetor Flange: 4500 Dominator Style
  • Port Dimensions: 2.28" High x 1.48" Wide (Rectangle Port)
  • Manifold Height: Front 5.96", Rear 5.96"

Fitment

  • Big Block Chevrolet (Mark IV-VI) 396-502 CID Engines
  • Fits Standard Deck Height Blocks
  • Requires Rectangle Port Cylinder Heads

Note: This manifold is intended for competition use and may require hood modifications or carburetor re-jetting for optimal performance; verify clearance before installation.

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