Heavy-Duty Trailer Axle Nut & Retainer Kit (6-191 Nuts + 6-190 Retainers) — Cotter-Pin-Free Replacement for 2K–8K Dexter E-Z Lube Axles (4pcs Nuts + 4pcs Retainers)

["Complete kit, ready to use — includes (4) 6-191 axle nuts and (4) 6-190 retainers — clearly labeled and protected for hassle-free installation.","Fits Dexter E-Z Lube axles 2,000–8,000 lbs — including common 3500 lb, 5200 lb, 6000 lb, 7000 lb, and post-August-2003 8K models. No adapters needed.","Eliminates wobble & loosening — retainer clips lock securely over the axle nut and spindle, acting as a reliable trailer axle stop — no cotter pin required.","Precision-machined for safety — made from high-strength, corrosion-resistant steel; meets or exceeds OE specs for torque retention and vibration resistance.","Smart upgrade from castle nuts & cotter pins — installs faster, lasts longer, and won’t shear, bend, or fall out under load or road shock."]