Isky Cams Valve Springs (Yellow) - Outer w/ Damper (Hydraulic Cams) - 1.260" O.D., .886" I.D., 115 lbs. @ 1.700" Seat Pressure, 268 lbs. @ 1.210" Open Pressure, 310 Rate Per Inch, 1.160" Coil Bind, .490" Max Lift 3550224-156- L which are implemented in each

which are implemented in each of our competition plus valves

1977-2002 Pontiac Firebird

0L)-351W (5

EASY TO INSTALL -- Clamp-on installation for an easy upgrade

Actual product may be different than image

Isky Cams Valve Springs (Yellow) - Outer w/ Damper (Hydraulic Cams) - 1.260" O.D., .886" I.D., 115 lbs. @ 1.700" Seat Pressure, 268 lbs. @ 1.210" Open Pressure, 310 Rate Per Inch, 1.160" Coil Bind, .490" Max Lift 3550224-156- L which are implemented in eachIsky 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