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. Compatible with Cummins 24V 5.9L and 6.7L. CNC-machined thick heavy aluminum in a 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 U.S.A.
