JK400 Big Block Chevy Intake Manifold for 10.2" deck CID Big Block Chevy Intake Manifolds Semi finished without intake flange

Semi finished without intake flange bolt holes

Near equal length runners that are 4" in area at the plenum opening with enough material to increase area to 5

5" deck blocks

0 LS7 intake manifold is designed for engine applications aiming to make 850+HP using LS7 cylinder heads with a single plane intake

5 Degree Valve angle ‚ Factory bath tub chambers are replaced with a efficient modern chamber design

JK400 Big Block Chevy Intake Manifold for 10.2" deck CID Big Block Chevy Intake Manifolds Semi finished without intake flangePRODUCT DESCRIPTION CID Heads JK400 BB Chevy Intake Manifold. The CID Heads JK 400 Big Block Chevy intake manifold is designed for engine applications from 750HP to 900HP using our JK 400 cylinder heads. It is purpose built to fit under the hood of most cars. The CID Heads JK 400 Big Block Chevy intake manifold has an overall height of 6 3 4" whilst still retaining excellent HP producing characteristics. It features a clover leaf carb pad designed to