Ferrea dual valve spring set of 16 specified with 1.225–1.570 inch diameter, 1.153/1.56 OD and 0.82/1.155 ID per the description. This dimensional set supplies a complete complement of dual springs for heads that match these measurements, helping technicians and builders replace all valves with springs that meet the listed size specifications.
Ferrea 1.225in to 1.570in Dia 1.153/1.56 OD 0.82/1.155 ID Dual Valve Spring - Set of 16