This drum doubles the friction element in the coast drum and fixes the common problem of the retaining ring dislodging and damaging the trans- mission. This drum comes with 4 new frictions, 4 steels, CNC machined pressure plate, and snap ring.
For 4R100 transmissions with PTO only: this clutch hub will only fit 1999-2003 F250 & F350 7.3L Powerstroke models equipped with a 4R100 transmission that includes a power take-off (PTO). Please verify your truck's transmission type before ordering.