for 10 and 12 bolt gm passenger car and truck rears as well as 8.8 ford rears most of ... axle splines 57131 57311 58911 58912 9 ford posi-traction .401.00 ... 9 ford posi-traction .408.00 ... 381.00 we stock all the internal parts for the eaton positraction call us for ... parts 19554 19555 12 bolt eatontm posi- ... ® posi-traction 31 spline clutch type ford motorsports posi-traction 30 spline ... 19556 19557 19588 12 bolt eatontm truck posi-traction .413.00 8.5 10 bolt ... posi-traction .450.00 8.8 ford eatontm posi-traction .450.00 ... for 2.73 and up ratios 19588-33 8.8 ford eatontm posi-traction .813.00 ... pr .70.00 mw 9 ford ring gear bolt set .26.00 mw ... 9 ford ring gear bolt set .50.00 mw g ...