Pay in 4 interest-free payments of $155.62 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
The CID JK400 Big Block Chevy Cylinder Heads flow an impressive 400CFM from as cast ports on a standard bore
5" at plenum
They feature a Power Adder friendly 60cc chamber
LS3 Intake Manifold Gaskets
CID LS 12D Oval Port BE Cylinder Heads suit 4
CID LS3 4150 EFI BA Intake Manifold Block Deck Height:9.45" Mid Aftermarket The CID JK400 Big BlockPRODUCT DESCRIPTION The CID Heads BA LS3 intake manifold is designed for engine applications aiming to make serious HP using LS3 cylinder heads with a single plane intake. Designed with extensive use of Computational Fluid Dynamics the manifolds are available in 3 Cross Sections at the runner opening in the plenum. 4. 0", 4. 5" and 5. 0" Square Inches of Cross Section. These numbers refer to the size of the runner opening in the plenum where the