Features: Accuracy engineered 6036684AA Manifold Bolt U Nut set ensures perfect fitment for vehicle 1500 5500, , and models, optimizing exhaust stability and engine performances with OEM grade compatibility. strong strength alloy steel construction with 30% enhanced clamping force resists shaking loosening, featuring erosion resistant coating that outperforms standard nut by 50% durability in harsh environments. Ideal for truck owners, road enthusiasts, and professional mechanics seeking stable fastener for heavy duty applications in vehicle pickups or 's hard terrain operations. Secures exhaust manifolds during extreme workloads like towing/hauling in vehicle or maintains structural integrity for Wranglers navigating track and uneven surfaces. Advanced anti rust coating withstands salt/moisture exposure, while accuracy machined threads enable tool without installation, reducing maintenance intervals by 40% compared to generic bolt kits. Specifications: Type: Manifold Bolt U Nut set Part number: 6036684AA, 55366000AA, 6035470AS, 6036717AA, 6036734AA, 6102172AA, 6508305AA, 03442 component : Metal Size: about 13.8x69.54mm/0.54x2.74inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 set Exhaust systems Fastener