Header Bolt Kit - 6pt. 3/8-16 x 1in (12)

The STAGE 8 FASTENERS Header Bolt Kit – 6pt. 3/8-16 x 1in (12-pack) is designed for high-vibration engine and mechanical applications where fastener security is critical. This kit is ideal for engine builders, performance mechanics, and motorsports enthusiasts who need reliable fasteners for cylinder head assemblies, intake manifolds, or custom headers.

These bolts feature a 3/8-16 thread pitch and a length of 1 inch, with a six-point hex head design that provides superior contact geometry compared to standard fasteners. This design helps reduce the risk of loosening under extreme vibration and thermal cycling, ensuring a secure fit during operation.

Whether you're a competitive shooter, off-road vehicle builder, or shop professional, the STAGE 8 fasteners are essential for critical engine work that demands reliable hardware performance. This 12-pack quantity covers a full set of bolts for typical header or manifold applications, making it a practical choice for various automotive projects.