What are valve springs? Why buy them?
Valve springs are used in conjunction with retainers in order to take the impact of running high RPMs. When purchasing camshafts or looking to increase the revs of your motor, a set of valve springs and retainers should be purchased. Single and double wound valve springs are designed for high stress and have a high resistance to vibrational contact and harmonic wear from the motor.
Which brand is dependable for valve springs?
Skunk 2 makes quality valve springs.