Pack of 9 - J2 Engineering Aluminum Header Exhaust Manifold Cup Washer+Bolt Kit (Neo Chrome) For Honda/Acura Add a Show-Level Finish Touch to the Engine Bay Made of High Quality T-6061 Aluminum Construction / Hex Bolts are Constructed of Stainless Steel Alloy Material Authentic Brand Name Products with Logo on Washers for Further Decoration Multiple Eye-Catching Colors in Our Store to Match with Different Parts of Vehicles Washer Size: 0.5" (Thick) X 0.75" (Diameter) / Hex Bolt Dimensions: 1.25" (Length) X 0.5" (Diameter)