The Ferrea dual valve spring set with 1.600–1.650 in height and matching diameters is supplied as a set of 16 for full head service. Specified dimensions include 1.160/1.610 in OD and 0.835/1.160 in ID ranges to fit specified retainers and valves. Use this set when parts call for these size ranges during cylinder-head rebuilds or valvetrain servicing.
Ferrea 1.600in to 1.650in 1.160/1.610 OD 0.835/1.160 ID Dual Valve Spring - Set of 16