See more: Tappet Blocks
Rear lifter block, black (OEM 18610-53, 18610-66A, B & C)
Replacement lifter blocks for 1953-1965 (Late) Panhead and 1966 thru 1984 Shovelhead Big Twin. Available in black powder-coat finish as well as a perfect chrome finish. Powder coated blocks are available in front or rear, the chrome version is only available as a set and includes two sets of mounting screws. One set of 1/4" x 20 TPI screws for late 1976 thru 1984 models and a set 1/4" x 24 TPI for 1966 thru early 1976 models.