Used with steel cages. 41-86 style. Incl. 36 x short rollers, 18 x long rollers. Repl. none. Note: For reference, STD size is .1875\" OD x .3250\" (short rollers) and 1875\" OD x .6600\" (long rollers). Note: The 41-86 early style connecting rod roller & retainer can also be used in the later 87-99 Big Twin models. Late models use oversize crankpins with one-piece \'non-oversize\' conrod bearings.