Description: These ARP 10232 bolts are a perfect fit for your 2001 - 2016 GMC with a 6.6L Duramax engine. Replace those rusty or broken exhaust manifold up - pipe bolts easily. Each kit comes with 3 bolts and 3 washers, suitable for both the exhaust manifold flange and the turbo flange. You'll need two kits for one up pipe and four kits to replace both up pipes. Features: They have a higher strength rating than OEM parts, a black oxide finish for added protection, and are of top - notch ARP quality. The hex head design ensures durability and easy installation. They're a direct stock replacement and are enough for one up pipe flange.

Using these ARP up pipe bolts is easy. First, make sure your engine is cool. Remove the old, rusty or broken bolts from your 6.6L Duramax exhaust manifold up - pipe. Then, take the new bolts from the kit and insert them into the holes. Remember, each up pipe needs two kits of these bolts. When installing, use the included washers. Make sure to tighten the bolts properly, but don't over - tighten as it might damage the parts. As for maintenance, periodically check the bolts for any signs of loosening or rust. If you notice any issues, replace them promptly. Keep the bolts clean and dry to maintain their black oxide finish and high - strength performance.