Wedge Locking Header Bolts 3/8in x 1in 16pcs.

Wedge Locking Header Bolts 3/8in x 1in 16pcs from PROFORM are engineered fasteners designed to secure exhaust headers and manifolds on high-performance engines where vibration and thermal cycling demand absolute security. These bolts are ideal for street machines, track-ready vehicles, or classic restorations that require modern upgrades. Their design ensures that they maintain a secure fit under extreme conditions.

The wedge-locking mechanism features a tapered, self-locking design that tightens under load, eliminating the need for additional safety measures. This innovative design helps prevent loosening due to engine vibration and thermal expansion, which are common issues in high-performance applications. Each bolt measures 3/8 inch in diameter and 1 inch in length, making them compatible with standard header flange applications.

These fasteners are perfect for serious engine builders, restoration shops, and performance enthusiasts who prioritize the integrity of their exhaust systems. By using these premium bolts, users can ensure reliability and longevity in their engine setups, making them a valuable addition to any high-performance project.