Elevate your engine performance with the top-notch 1.574 Dual Valve Springs by PAC Racing Springs. Designed for the demanding needs of circle track racing, these dual springs deliver a stout 538 lb/in spring rate for optimal valve control.
Upgrade to PAC Racing Springs' 1300 Series Circle Track Valve Springs and unleash the full potential of your race car. Trust PAC Racing Springs to provide you with the winning edge you need for success on the track. Don't settle for inferior valve springs when you can have the best.