Late Model GMC Manifold Automotive Studs, Hillman, 3/8 in x 16 3/8 in x 16 2-9/16 in

Automotive studs are a headless bolt that is threaded at both ends with the center portion remaining unthreaded. They are used to insert one end into the head or block and then insert a nut or washer on the other end for applications such as bolting the exhaust manifold to the head.

• Unthreaded area of the shank helps you slide materials together for a snug fit
• Made of high-strength steel and brass materials
• Corrosion-resistant