belt pulleys match the 1994 to present design with a 50 longer ... equipment on all 5 speed big-twins is a 32 tooth pulley the 31 tooth pulley will ... quicker acceleration 3 more rpm the 30 tooth pulley allows even quicker acceleration ... 6 more rpm the 29 tooth pulley will allow the quickest ... acceleration 9 more rpm while the 34 tooth pulley will reduce engine rpm with 6 ... thru 1993 big-twin models 232612 29 tooth 700844 30 tooth 232407 31 tooth 232408 ... 33 tooth 232613 34 tooth fits 1994 to present big-twin models 237268 29 tooth ... 700845 30 tooth 232406 31 tooth 232409 33 tooth 237270 34 tooth note ... are for use on v-rod models when converting to wider than stock wheels must be used ...