Triple Valve Spring Set, 688 Spring Rate 1.645" Outer OD, 353@1.900" Seat Pressure, 1.130" Coil Bind

COMP Cams offers a wide variety of valve springs to suit a multitude of applications. It is extremely important to use valve springs that will give the recommended spring pressure with the valve both on the seat and at maximum lift. The outside diameter of the recommended spring may require that the spring pocket be machined to a larger size.