Crow Cams valve springs are made from aircraft quality alloy steels to give the best performance and reliability at a reasonable price.
These single beehive valve springs are specially designed to suit our high lift, high acceleration profile.
4919-12 - Valve Springs (spring pressure 150lb @ 1.780 and 310 @ .500 lift)
10707-12 - Retainers
10701-12 - Valve Locks
Installed Height 1.780'
Installed Pressure 150lb
Pressure @ .5lift 310lb
Max Lift 0.580'
Solid Height 1.100'