Featuring our innovative natural damping conical valve springs for increased RPM, this GM LS spring kit includes a set of retainers, spring seats, seals and locks for a complete kit that can handle ...
Including properly matched quality beehive valve springs, 7 degree locks, viton seals, hardened seats and chromemoly steel retainers, this spring kit is ready to bolt onto LS heads with aggressive...
Including properly matched quality beehive valve springs, 7 degree locks, viton seals, hardened seats and lightweight tool steel retainers, this spring kit is ready to bolt onto LS heads with...