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The Supertech dual valve spring kit for Mitsubishi 4G63 engines supplies a matched dual-spring set intended for 4G63 cylinder heads. The description explicitly identifies the kit as applicable to Mitsubishi 4G63 engines. It serves as a valve spring replacement option for head work or maintenance on the cited 4G63 applications, providing the paired springs specified for that engine.
Supertech Mitsubishi 4G63 Dual Valve Spring Kit
