NP271 & NP273 FORD TRANSFER CASE REBUILD KIT FITS '99+ SUPER DUTY & EXCURSION INCLUDES O.E. QUALITY PREMIUM BEARINGS INCLUDES GASKET, O-RINGS, & SEALS INCLUDES FORK INSERTS & THRUST WASHERS INCLUDES 12 MONTH, 12,000 MILE MANUFACTURER'S LIMITED WARRANTY PROFESSIONAL QUALITY