Just align the exhaust pipe flanges, position the gasket, insert the bolts and springs, then tighten the screws evenly. Our exhaust flange bolts are from premium alloy steel and treated with multiple layers of anti-rust coating for enhanced durability. They deliver excellent tensile strength, heat resistance and resistance, withstanding high temperature, high pressure and harsh road conditions to a long service life. This 2PCS M10x1.25 exhaust manifold bolt is engineered to match the exhaust manifold systems of many mainstream models such as , , and more. Featuring a precise M10x1.25 thread design, these exhaust manifold bolts provide powerful fastening force to help prevent loosening and leaks during engine operation. The strong clamping action maintains the sealing of the exhaust system, helping to improve engine performance, reduce exhaust noise, and support better economy over time. Designed as a practical exhaust manifold accessory, this bolt kit is suitable for most cars and light trucks as long as the M10x1.25 thread size is compatible. It can be used on various exhaust flanges and manifolds. Package includes 2 bolts, 2 springs, 2 nuts and 2 washers., Weight: 0.41005980732 Pounds, Manufacturer: Htuteyy