Offering For Sale :  Jim's Machining Panhead Shovelhead  chrome finished machined Tappet Lifter Blocks.  Show Quality Show Chromed machined Tappet Blocks. Jim's Machining part # 1029 - 59C fitting 1953-1965 Harley Panhead and 1966 - 1984 Shovelhead motors. Used by Peedormance Builders. These tappet Blocks require Jim's Lifters as these are 0.765 bore diameter is  .731 bore of Harley Davidson . Know what your buying,  do your research and homework.  These are Machining Excellence.  Top Performance Item. Selling at about Half Price.