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The Supertech dual valve spring for Nissan SR20 engines is offered as a single dual-spring unit tailored to SR20 DOHC applications. It replaces the factory paired-spring configuration to manage valve motion and maintain reliable seating in compatible cylinder heads. Use this spring when undertaking valve-train service or rebuilds on SR20 engines that require a dual-spring setup.
Supertech Nissan SR20 Dual Valve Spring - Single (Drop Ship Only)
