Isky Cams Valve Springs (Blue) - Outer w/ Damper (Hydraulic/Solid Cams) - 1.260" O.D., .886" I.D., 130 lbs. @ 1.750" Seat Pressure, 320 lbs. @ 1.200" Open Pressure, 350 Rate Per Inch, 1.150" Coil Bind, .550" Max Lift Window Net Deals 330 lb/in Spring Rate

330 lb/in Spring Rate

0" thick with oil seal

1975-1977 Oldsmobile Omega

1978-1980 GMC Caballero

Isky Cams Valve Springs (Blue) - Outer w/ Damper (Hydraulic/Solid Cams) - 1.260" O.D., .886" I.D., 130 lbs. @ 1.750" Seat Pressure, 320 lbs. @ 1.200" Open Pressure, 350 Rate Per Inch, 1.150" Coil Bind, .550" Max Lift Window Net Deals 330 lb/in Spring RateIsky Valve Springs are world famous for their reliability and long life. As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. These tests are conducted daily in Isky's new enlarged dyno facility. To properly evaluate and prove the efficiency of Isky racing cams and valve train components, Isky maintains a continuous engine