MAJOR PINION INSTALL KIT WITH CRUSH SLEEVE, 7044NAV VITON PINION SEAL, (This is the PREMIUM QUALITY, STANDARD DIMENSION, 9 inch Pinion Seal, if yours is SMALLER or LARGER, then this kit is NOT FOR YOU) LOCKING NUT, PINION SHIM, PILOT BEARING RETAINER, GASKET AND SQUARE CUT PINION SUPPORT SEAL FOR YOUR FORD 9 INCH DIFFERENTIAL. TOP QUALITY NATIONAL SEAL, GENUINE FORD SQUARE CUT SEAL RING, RETAINER AND NUT, MOTIVE GEAR CRUSH SLEEVE, GASKET AND SHIMS. THIS WILL GET YOUR NEW RING AND PINION INSTALLED JUST LIKE FACTORY.