BA LS Manifold CNC Lightening Program CID Big Block Chevy cylinder heads making them extremely rigid with

making them extremely rigid with the rocker boltsc engaging deep into shaft mount pad that extends down to and is integral with the deck

5" MCSA 277cc Intake Ports

Upgrade any of our cylinder heads to CHE B1 Bronze Alloy Valve seat material

LS7 Inline 420 CFM Cylinder Heads

BA LS Manifold CNC Lightening Program CID Big Block Chevy cylinder heads making them extremely rigid withBA LS Manifold CNC Lightening program is designed for our one piece LS manifold castings. This will not work with a 2 piece casting as it removes the central flange on the manifold, both on top and underneath the casting. The program will remove roughly 6 LBS of material whilst retaining all 16 injector bosses.