1200 Series Triple Valve Spring

The PAC Racing 1200 Series valve spring is a high-performance triple spring developed to meet the demands of sportsman-level drag racing. These springs offer a balance of quality and performance, featuring a 1.645-inch outer diameter with internal spring diameters of 1.195 inches (outer), 0.871 inches (middle), and 0.635 inches (inner). Technically, this spring is rated for a maximum suggested lift of 0.800 inches, with a coil bind height of 1.130 inches. It delivers a seat pressure of 290 lbs at a 2.070-inch installed height and an open pressure of 835 lbs at 1.270 inches. The spring rate is approximately 682-689 lbs/in depending on the specific application configuration. As these components are intended for race applications, there is no manufacturer warranty expressed or implied.