This Ferrea dual valve spring set of 16 provides matched damped inner and outer springs for valvetrain overhaul. Springs cover a 1.225–1.570 inch coil diameter range with outer diameters of 1.025 and 1.550 inches and inner diameters of 0.74 and 1.135 inches. Supplied as dual springs with dampers, the set is suitable when replacing all valve springs on multi-cylinder engines.
Ferrea 1.225in to 1.570in Dia 1.025/1.55 OD 0.74/1.135 ID Dual w/Damper Valve Spring - Set of 16