Allstar ALL68639 8" PIG Type Ring and Pinion Shim Kit for Ford Ring and pinion shim kit fits Ford 8 inch 'pig' differentials type and applies to all models This is a complete kit containing all the hard-to-find individual parts for a quick, trouble-free installation Kit contains all the hard-to-find individual parts for a quick, trouble-free installation. Kits include: pinion seal, pinion depth shims, adjustable side (carrier) shims, crush sleeve (spacer), pinion nut, one ounce tube of silicone or gasket, gear marking compound and ring gear bolts Sold as one complete kit Backed by a 90-day limited factory warranty