Dodge AAM Full Spider Rock Guard - For some of the late (03) model 2500-3500 Dodge Trucks with 10.5 inch ring gear. Designed for full protection for the rear of your big Dodge. There is not a rock guard or cover on the market that offers more protection than the PCP Full Spider does. The PCP Spider Rock Guard is second to none, designed with not only protection in mind but also looks. The Spider includes a .375 thick CNC plasma cut flange, .625 Rd. Cold Rolled Steel legs, Fixtured Mig welded welds, CNC machined counter bored bolt holes, Normalized and shotblasted, Phosphate primed and Powder Coated a durable black hammertone. Fabricated with Dodges new 15K annual rear end lubrication changes in mind, oil fill access is not encumbered. All stainless steel mounting bolts are included. Cover not included. For more color choices click on the Powder Coating Options button bellow. Fits: Fits the rear differential on some 2001 and newer Dodge Ram 2500 and 3500. Some models may have a 10.5 ring gear. Check the identification sticker in your glove box or on your driver's side door to determine which differential you have. Better yet check our identification picture (below) to determine.