Click on image to zoom

12363407 - CPP Big Block Chevy Intake Manifold, Oval Port for Holley Carburetors "CNC"

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Pricing: $315.29


This manifold is the same as P/N 12363406 except it has been "CNC" port matched for GM aluminum oval port heads used on all big-block Chevrolet engines with large oval port heads (1975 and prior), and all aluminum heads with oval ports. This manifold includes the latest design in dual-plane manifolds and has a Holley carburetor bolt pattern. Use intake manifold bolt kit P/N 12367959 which includes 16 bolts (8740 chrome moly 3/8" - 16" x 1.5" with 3/8" hex head and 16 washers 5/8" O.D.), and manifold gasket kit P/N 12366985. Technical Note: Manifold has a bolt pattern for air conditioner brackets, late model water neck, and alternators. It will not fit production Corvettes, and it is necessary to check hood clearance on Chevelles. (Manifold height is 4.45".) This part is the same as P/N 12363421, except it is designed for use with the Holley carburetor.

Application List



Shipping Information

  • Item Requires Shipping
  • 20.2 lbs.
  • W11.3000” x H6.9000” x L23.3000”

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.

  • We don’t just want your business today. We want to EARN your business for LIFE!
  • USA Owned, Operated & Employed
  • Installers & Resellers Click Here to Apply
  • We Specialize In:
    • GM LS Conversions
    • Engine & Trans Combo Kits
    • Unique Ready to Run Engines
  • Have a question?
  • 888-748-4655 Mon-Fri 8AM-6PM EST
  • Click above for 24/7 Live Chat Service.