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9" version have the best atomization possible for a port of this size and have made 930HP on a 440 LS Dirt Late Model Engine without the assistance of a Dry Sump - Vacuum Pump along with a 10 degree smaller camshaft than other comparable results
Available with CHE Ductile Iron Valve Seats or upgrade to CHE Bronze Valve Seats
Solid Cylinder Head Castings Option available for our LS
NA and Power Adder chambers available as are water jacket
The intake port flows 328CFM at
CID LS7 4150 EFI BA Intake Manifold Cross Section:4.0 9" version have the bestPRODUCT DESCRIPTION The CID Heads BA LS7 intake manifold is designed for engine applications aiming to make serious HP using LS7 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