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The Supertech dual valve spring kit for Nissan SR20DET engines supplies a matched dual-spring set intended for SR20DET cylinder heads. The product description lists SR20DET as the intended application for this Supertech kit. Use this kit when replacing valve springs or rebuilding the SR20DET head to obtain the paired springs specified for that Nissan engine family.
Supertech Nissan SR20DET Dual Valve Spring Kit
