Hex Head Bolt 3/8-16 x 4 Grade 5 5pk

The Hex Head Bolt 3/8-16 x 4 Grade 5 5pk from ALLSTAR PERFORMANCE is an essential fastening component designed for automotive builders and mechanics who require dependable performance in high-stress applications. These Grade 5 hex head bolts are ideal for engine assembly, suspension work, drivetrain modifications, and structural reinforcement where reliability is crucial.

Constructed to withstand demanding conditions, Grade 5 bolts offer enhanced tensile strength and resistance to vibration loosening, making them suitable for applications where thermal cycling and load are significant factors. The 3/8-16 thread designation ensures optimal clamping force for mid-sized applications, preventing issues such as over-tightening or thread stripping.

This five-pack is perfect for rebuilds, race engine assembly, and restoration projects, providing a reliable selection of quality fasteners without the need to purchase in bulk. With a length of 4 inches, these bolts accommodate thick material stacks commonly found in block-mounted accessories and intake manifolds.