Description
Holley GM Licensed Vintage Series SBC Valve Covers Factory Orange Finish 241 109 performance upgrades 3L V8 1971 1977 mounts and panels Improved Steering Response Includes SL 1957E 3L V8 1971 1977 Pontiac Ventura 350 5 The included APR Auxiliary ECU sits on the factory CAN bus and receives critical operating information from the factory ECU to accurately control the pump