Air Flow Research - 1.550 Od Valve Spring Solid Roller Cam

The Air Flow Research 1.550 Od Valve Spring Solid Roller Cam is a premium dual spring designed for high-performance applications. This valve spring features a spring rate of 540 lb/in and a coil bind height of 1.155 inches, making it perfect for engines equipped with solid roller cams. With a durable construction and a spring outer diameter of 1.550 inches, it ensures optimum performance and longevity under extreme conditions.