Mr.Gasket Lifter Guides

Mr. Gasket Lifter Guides are designed for use with OEM style GM LS Gen III/IV engines without active fuel management(AFM). Each lifter guide is constructed of heavy-duty plastic and is a drop-in replacement for GM OEM guide # 12595365 . Lifter guides are sold individually and come with a mounting bolt. Four guides are required to complete an LS engine.