Racing Head Service (RHS), now a brand within the Edelbrock Group, is renowned for its high-performance cylinder heads, engine blocks, and intake manifolds. Founded in 1967, RHS initially focused on racing cylinder heads, becoming a leader in airflow technology. The company later expanded to offer complete turn-key engines and mail-order parts, including crate engines. RHS is known for its innovative cylinder head designs and is a key player in both circle track and drag racing.
