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The Ferrea dual valve spring set spans 1.600–1.650 in diameter with OD 1.065/1.625 and ID 0.770/1.175, supplied as a 16-piece kit with damper. These springs suit applications requiring larger outer-spring diameters within that range and are intended to mate with inner springs and retainers in dual-spring valvetrains. Sold as a matched set for complete valvetrain service.
Ferrea 1.600in to 1.650in Dia 1.065/1.625 OD 0.770/1.175 ID Dual w/Damper Valve Spring - Set of 16
