Valve Springs and Shim Kit

The COMP Cams 910-16 Valve Springs and Shim Kit is engineered for modified 7.3L Ford Powerstroke engines, offering a significant upgrade for high-horsepower applications, suitable for both competition and street use. These valve springs are specifically recommended for use in scenarios where boost levels are expected to reach 40 psi or higher, ensuring the valve remains securely in its intended position under demanding conditions. The kit provides a comprehensive solution, including both the valve springs (910-16) and the necessary spring shims (4743-16) for a complete installation. Key specifications include a seat pressure of 92 lbs @ 1.85 inches, an open pressure of 300 lbs @ 1.35 inches, an outside diameter of 1.354 inches, and an inside diameter of .940 inches. The maximum lift is approximately .510 inches at the recommended installation height of 1.85 inches. These valve springs are an ideal match for engines equipped with Stage 3 performance injectors, supporting the increased demands of these high-performance fuel systems. For owners in California, please note that this product is not legal for sale or use in California.