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CID Heads LS EFI Semi Finished BA Intake Manifold
Includes drilling new throttle body mounting locations to suit the 8500 throttle body along with the machining of the larger throttle bores and hand blending of the plenum to the new larger carb pad opening
The CID Heads LS EFI BA intake manifold is designed for engine applications aiming to make 850+HP using LS cylinder heads with a single plane intake
Exhaust port is raised and will most likely require its own header flange available through our website
Designed to fit CID - BES ported SC2 port openings with minimal port matching required
CID LS7 12D BE Cylinder Heads 420+CFM - 2.9" MCSA - Suit 4.125" Bore Std Exhaust Height (Per PAIR) CID Big Block Chevy cylinder heads CID Heads LS EFI SemiCID LS7 12D 2. 9" MCSA BE Cylinder Heads suit 4. 125" Bore LS7 Inline 420 + CFM Cylinder Heads One pair of Bare 12 Degree Inline LS7 12D 2. 9" MCSA Port BE cylinder heads CNC ported and valve jobbed with CHE valve guides and CHE Ductile Iron valve seats. Standard height exhaust port fits all existing headers. Developed by Greg Good these are the smallest aftermarket LS7 port cylinder heads available at just 2. 9" of Minimum Cross Section, yet flow an