Available with chromemoly steel retainers under 7228CS-KIT.
Featuring our innovative natural damping conical valve springs for increased RPM, this LS spring kit includes tool steel retainers, spring seats, seals and locks for a complete kit that can handle .615" lift from aggressive roller cams.
Complete Kit Allows Installation of Revolutionary Conical Valve Springs on Nearly Any GM LS. LS Conical Valve Spring Kits allow enthusiasts and builders to better harness the power of popular LS Race and street engine Applications.
