3/8-16 x 1 Zinc Socket Head Bolt

The 3/8-16 x 1 Zinc Socket Head Bolt by March Performance is a crucial fastening component for automotive enthusiasts and mechanics engaged in engine builds, transmission work, and custom modifications. These precision socket head cap screws provide a clean, professional appearance while delivering reliable clamping force in automotive applications.

Constructed from zinc-plated steel, the 3/8-16 x 1 socket head bolt resists corrosion while maintaining a consistent, visually appealing aesthetic under engine covers and in environments exposed to moisture and salt spray. The imperial thread specification (3/8-16) ensures precise engagement without stripping, and the 1-inch length is ideal for typical aluminum head and intake manifold applications.

Professional engine builders and street performance shops standardize on March Performance hardware for its consistent fit and finish across complete engine packages. These bolts excel in applications such as head gasket fastening, intake plenum assembly, and valve cover installation, making them a reliable choice for serious automotive projects.