OTC's 5881 Cam Gear Alignment Fixture tool pulls the cam drive gear hub and thrust plate forward for camshaft and/or thrust plate seal removal and installation. Using this tool eliminates the need to re-time the gear train. Two different puller bolts included to cover early and late model versions. For use on Detroit Diesel Series 60 engines. Similar to J-35906 and J-35906-6A. Value is at the core of the OTC tool and equipment portfolio. Whether it’s a simple repair or the most complex drivability concern, these award-winning tools universally solve problems faster, and at better value, than any other product line available. Whether it’s a specialty tool or unique piece of service equipment, OTC provides top solutions to modern automotive service challenges while increasing technicians’ productivity and shop profits.