COMP Cams Valve Spring Nascar

This is the COMP Cams Nascar valve spring, part number 935-1. It's a single valve spring designed for high-performance applications where valve control is critical. These springs are built to handle the demands of racing, ensuring your valves close reliably at high RPMs.

The 1.565-inch outer diameter is a common size for many performance cylinder heads, making it a popular choice for engine builders looking for a well-built spring that offers consistent performance. When you're pushing your engine hard, especially in a racing environment, valve float can be a real issue. This spring is designed to resist that float, keeping your valvetrain stable and your engine running strong.

If you're rebuilding a performance engine or looking to upgrade your valvetrain for more aggressive use, this COMP Cams spring is a solid option. It's a straightforward component that plays a vital role in overall engine health and performance under stress.