PAC Racing RPM Series valve springs were developed using all of the latest advancements from Circle Track and drag racing successes. This valuable, real-life research has been applied to new designs, which allow for a performance increase that exceeds all demands. The springs are made from quality materials and are available in different diameters and pressures to suit your specific camshaft profile.
OUTER SPRING DIAMETER (IN.):1.274
OUTER SPRING I.D. (IN.):0.900INNER SPRING I.D. (IN.):0.630
MAX LIFT (IN.):0.700
LOAD (LBS) @ INSTALLED HEIGHT (IN):200 @ 1.800
OPEN LOAD (LBS) @ OPEN HEIGHT (IN.):585 @ 1.000
COIL BIND (IN.):1.045