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The Ferrea dual valve spring set for Acura/Honda B18C1 and B18C3 engines is supplied as a set of 16 with a 305 lb/in rate. These high-rate dual springs match the B18C valvetrain specification and are suited for rebuilds or cam upgrades that require a stiffer spring. The set covers all valves and helps maintain consistent valve control across the head.
Ferrea Acura/Honda B18C1/C3 305lbs Rate Inch Dual Valve Spring - Set of 16
