Our largest and best flowing big block chevy cylinders heads, these cylinder heads feature 100% CNC machined intake runners, exhaust ports and combustion chambers. Best suited for +540 cubic inch large displacement racing engines, operating at or below 7600 RPM. Equipped with Titantium retainers and high quality components, these heads are capable of flowing 456 CFM at 0.900 of lift.
Our largest and best flowing big block chevy cylinders heads, these cylinder heads feature 100% CNC machined intake runners, exhaust ports and combustion chambers. Best suited for +540 cubic inch large displacement racing engines, operating at or below 7600 RPM. Equipped with Titantium retainers and high quality components, these heads are capable of flowing 456 CFM at 0.900 of lift.