SBC 180cc Street Heads 75cc S/P w/ Heat Riser

The SBC 180cc Street Heads 75cc S/P with Heat Riser (Part No. 0911) is a specialized small-block Chevy cylinder head assembly designed for street performance and efficiency. These heads are pre-assembled and ready for installation, aimed at enhancing intake flow and optimizing combustion for small-block Chevy engines. They are ideal for those seeking reliable mid-range power delivery while maintaining street usability.

Featuring a 180 cc intake port volume and a 75 cc combustion chamber, this head assembly creates a balanced thermal environment suitable for carbureted or naturally aspirated setups. The heads are equipped with a 2.020-inch intake valve and a 1.600-inch exhaust valve, ensuring efficient airflow while remaining compatible with stock seating. The straight-plug configuration and integrated heat riser facilitate proper ignition and coolant circulation, enhancing thermal stability during extended driving.

This head assembly is perfect for builders restoring or upgrading street-driven small-block Chevy engines, where reliability and improved flow are prioritized over extreme modifications. Hot rodders, classic car enthusiasts, and engine rebuilders will find these heads meet their needs while adhering to original specifications.