Quickee Pushrods - Twin Cam/XLCaracteristicas: Feature revolutionary design allows quicker, easier installation without the removal of the rocker covers . 4375 diameter Chromoly steel Threaded adjuster screws into the pushrod until the threads disengage and the adjuster simply slides into the pushrod, making installation or removal a snap Once the pushrod is installed and adjusted, the lock nut prevents the adjuster from moving The ball ends of the pushrods are drilled so that oil