GENUINE FORD OPEN INTERNAL GEAR KIT FOR THE 8.8" REAR USED IN MANY DIFFERENT FORD VEHICLES.  BRONCO, F150, RANGER, E150, EXPLORER JUST TO NAME A FEW. OUR KIT IS COMPLETE. NOTICE: OUR KIT HAS THE CROSSHAFT INCLUDED AS YOU NEED THAT ALSO, FORD PART FL3Z-4211-C. THIS GEAR KIT IS PART NUMBER 2L1Z-4215-FA, REPLACED BY CURRENT NUMBER AL3Z-4215-A, FORD LIST PRICE FOR THIS GEAR KIT, WITHOUT SHAFT IS $155.72 NEITHER OF THESE KIT NUMBERS CONTAIN THE CROSSHAFT, BUT WE INCLUDE THE GENUINE SHAFT WITH OURS AS WE FEEL IT IS THAT IMPORTANT.  THIS FITS THE REARS WITH 31 SPLINE AXLE Gears, TRUCKS, NOT CARS. CHECK YOUR SPLINE COUNT, THIS IS IMPORTANT! PAY ATTENTION HERE GUYS,THIS IS AN OPEN GEAR KIT, THAT MEANS NOT POSI, OK? IF YOU HAVE CLUTCH'S IN YOUR DIFF, THIS IS NOT FOR YOU, IF YOU HAVE A RAPTOR THIS IS NOT FOR YOU, IF YOU HAVE A 9.75 REAR THIS IS NOT FOR YOU, IF YOU HAVE A 2015 AND NEWER "SUPER 8.8" REAR WITH THE 12 BOLT COVER, THIS IS NOT FOR YOU. THESE ARE FOR THE FORD 8.8", 10 BOLT COVER, 31 SPLINE AXLE REAR IN F150 TRUCKS, VANS, EXPLORERS, RANGERS, BRONCOS. IF YOU DO NOT ORDER THE CORRECT PARTS, YOU WILL BE PAYING RETURN SHIPPING, MAKE SURE OF WHAT YOU HAVE AND NEED BEFORE YOU ORDER. YES, THAT IS CORRECT, WE EVEN HAD SOMEONE ORDER A LITTLE 31 SPLINE 8.8" OPEN GEAR KIT FOR A RAPTOR, CAN YOU BELIEVE IT? WE HAVE HAD MANY OF YOU PURCHASE THESE FOR A TRACTION LOC POSI REAR, WRONG, KNOW WHAT YOU HAVE BEFORE BUYING. PAY ATTENTION, WRONG INFORMATION WILL GET YOU THE WRONG PARTS EVERY TIME!