Tappet base and tappet kit for UL / ULH and 45  includes 4 tappet bases zinc plated and 4 standard tappets with adjuster screws. These blocks and guides are exact fit.
Lifter base set is threaded to accept OEM screw on covers. Tappets with adjuster screws have holes for additional oiling. 
Manufactured by Motortechnic Mfg. Germany