The B&M C6 PreRunner/Trail automatic transmission is for use in RWD Ford applications with a 13 1/2-inch tailshaft and 5 1/8-inch separation of top bellhousing bolts. This transmission will work on 289, 302, 351 Cleveland and 351 Windsor engines (does not fit 351M engine.) Features include a deep cast aluminum pan, a 2.46:1 first gear ratio, 1.46:1 second gear, rebuilt performance pump assembly and governor, all new high performance friction plates, new intermediate flex band, new low roller clutch with lube hole in inner race, new belleville spring, and fully re-calibrated valve body. Intended for off road/trail use. This transmission features a manual/forward valve body. Notes: We strongly recommend protecting your investment by adding a B&M Hi-Tek SuperCooler with all new transmission installations. Max 600 HP / 550 Ft/Lbs.