The 4 new Manley 1.940 Intake valves are the perfect addition to any street or strip car performance enthusiast's dream. Known for their exceptional quality, Manley valves are designed to maximize airflow and provide outstanding engine performance. These swirl-polished valves are also perfect for SBC configurations, ensuring a smooth and consistent boost across the RPM range. The stock-height design ensures a perfect fit for popular SBC headers, reducing the need for costly and time-consuming modifications. Moreover, their compatibility with NASCAR regulations makes them an ideal choice for those seeking to push their engines to new limits on the track. Experience the power and precision of Manley's 1.940 Intake valves today and take your car performance to new heights.