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The Supertech dual valve spring kit for Nissan CA18DET 16V engines provides a matched dual-spring configuration sized for CA18DET 16-valve heads. Intended as a direct-fit replacement, the kit includes springs and retainers specified for this engine family, offering a practical valvetrain refresh option for engines undergoing rebuilding or camshaft upgrades that demand improved valve control.
Supertech Nissan CA18DET 16V Dual Valve Spring Kit
