Pro Circuit valve springs allow your motor to run at higher RPM and with more aggressive cam profiles without the loss of valve control. The complete Valve Spring Kit has everything you need to replace your valve springs - including the keepers and spring retainers.
Made of the highest quality spring wire and precision wound to close specifications.
Allows for the use of higher RPM and more aggressive cam profiles without the loss of valve control.
Kit includes additional keepers (locks, cotters) and spring retainers.
Note: Image is for representation only, actual product may very per application.