BARRING TOOL FEATURES:FIT: Cummins Diesel B/C Series 5.9L and 6.7L Engines (1988-Current)Professional quality tight-tolerance machined steel with solid teeth that will not chip out or break.Save-time turning over the engine or turning the crank to perform manual valve lash adjustment. Used to slowly rotate the engine by hand so you can line up the timing marks. Easy-to-Use: Insert tool into the flywheel housing until it engages the ring gear, attach ½” square drive racket or breaker bar to turn.Yellow-zinc chromate finish for longer-lasting rust prevention.GEAR PULLER TOOL FEATURES:High-quality CNC-Machined tool quickly separates gear from pump driveshaft. Pump Gear Pulley Tool for 1988-2018 Dodge Cummins 5.9L/6.7L/8.3L. (Possible later model years)Increase speed and efficiency 24V SPRING COMPRESSPR FEATURES: No more headaches from dropping a valve keeper! Tapered bore holes stops valve keepers from falling through the tool and reduces the chance of dropping a valve keeper in your engine. Designed to easily change valve springs, seals or retainers on Cummins 24V 5.9L and 6.7L. CNC-machined thick heavy aluminum in an economic raw finish. Increase speed and efficiency by simultaneously compressing all four springs in the cylinder in one step for easy replacement. CNC-Machined bridge places fully threaded stud on the center line of the injector bore to apply equally distributed force on all four valve springs. · Made in Ohio, U.S.A