PAC Racing RPM Series Valve Springs
Experience the cutting-edge technology of PAC Racing RPM Series valve springs, crafted from the latest advancements in Circle Track and drag racing successes. Unlock performance gains that surpass all expectations with our innovative designs. Choose from a range of diameters and pressures to perfectly complement your camshaft profile, all crafted from top-notch materials for optimal durability.
Part Number: PAC-1275X-16
Spring Diameter Bottom (IN.): 1.290
Spring Diameter Top (IN.): 1.040
Spring I.D Bottom (IN.): 0.906
Spring I.D Top (IN.): 0.650
Max Lift (IN.): 0.650
Load (LBS) @ Installed Height (IN): 140 @ 1.950 / 160 @ 1.900
Open Load (LBS) @ Open Height (IN.): 405 @ 1.300
Coil Bind (IN.): 1.215
Rate (LBS/IN. SQ): 408
Quantity: Set of 16
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov