JEGS 555-513009 Small Block Chevy Dual Plane Intake Manifold Features:

• Improve engine performance and horsepower with this higher flowing intake manifold compared to a stock cast iron intake
• Designed to fit with popular aftermarket spread bore and square bore 4150 carburetors including Edelbrock, Holley, Quickfuel, Proform, Rochester Quadrajet, and more
• Fits Chevrolet cylinder heads from 1955 through 1986
• Idle to 5500 rpm power band for street or mild race applications
• Fabricated from cast aluminum for weight savings and improved performance
• Port exit dimensions: 1.130 in. x 1.900 in.
• Recommended Intake Gasket For Applications without Heat cross-over use JEGS p/n 555-210002
  
• Recommended Intake Gasket For Applications with Heat cross-over use JEGS p/n 555-210004
• Intake gasket port matching is recommended for optimum performance
• Estimated runner length - Shortest: 5.00 in.
• Estimated runner length - Longest: 6.50 in.
• Manifold height: (A) 3.750 in., (B) 4.750 in.
• Click here to determine the carburetor pad height.
• Also Fits 1987-Up stock aluminum heads (does not fit 1987-Up cast iron or Chevrolet Bow Tie heads)
• Accepts late-model choke, water neck, AC, alternator, and HEI
• Stock/stamped steel valve covers may require 3/16 in. (or thicker) valve cover gaskets. We recommend JEGS  555-21100, 555-210075, or 555-210070 for adequate runner clearance.

Additional Recommended Items to help you with your installation (Sold Separately)

• Carburetor Fuel Inlet Lines & Fittings
• Carburetor Spacers
• Fuel Filters
• Carburetor Linkage, Choke Kits & Components
• JEGS Bandit Series EFI Throttle Body System

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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