Get the RTS traction benefits of a limited slip differential, quiet operation and a great value with our Clutch Style Differential for Ford 9 inch rear ends. RTS clutch style posi-traction differential is a welcome alternative to expensive locker & spool differentials which are often overkill and more than the common street car requires. 

  • 31 spline 
  • Works with factory 9 inch Ford differential case, gear, axles and bearings
  • Spring loaded clutch pack with improved grip over OEM designs 
  • Time tested, proven reliability 
  • Forged steel case 
  • Heat treated spider gears 
  • Quiet operation, no clicking when disengaging for corners 
  • Ideal for street tires and medium horsepower applications