Ferrea offers this set of 16 dual valve springs with damper sized between 1.600in and 1.650in, with outer diameters 1.065/1.625 and inner diameters 0.770/1.189. Packaged as a matched set, it’s intended for engines that require these specific dual-spring dimensions and for comprehensive valvetrain replacement during head servicing.
Ferrea 1.600in to 1.650in Dia 1.065/1.625 OD 0.770/1.189 ID Dual w/Damper Valve Spring - Set of 16