Ferrea supplies this set of 16 dual valve springs with damper features and dimensions listed as 1.600in to 1.650in active range, OD 1.064/1.624 and ID 0.760/1.164. Provided as a complete matched set, it’s intended for engine overhauls or multi-valve service jobs where consistent spring specifications across all valves are required for proper valvetrain operation.
Ferrea 1.600in to 1.650in Dia 1.064/1.624 OD 0.760/1.164 ID Dual w/Damper Valve Spring - Set of 16