The Lisle 36900 Pentastar Cam Phaser Locking Kit is a 7-piece specialty tool set designed for servicing 2011 and newer Chrysler, Dodge, and Jeep vehicles equipped with 3.0L, 3.2L, and 3.6L VVT/VVL Pentastar engines. The kit locks the cam phasers in place and releases tension on the timing chain to prevent component movement during service, ensuring accurate timing alignment. It includes left and right lock blocks, a chain tensioner release pin, and five additional holding tools. All components are stored in a protective foam tray for easy organization.