Hex Head Bolt 1/2-13 x 2-1/2 Grade 5 10pk

The Hex Head Bolt 1/2-13 x 2-1/2 Grade 5 10pk from ALLSTAR PERFORMANCE is a reliable fastener designed for various automotive applications, including engine builds and chassis assembly. These bolts are essential for securing components where clamping force and vibration resistance are critical, making them ideal for serious mechanics and engine builders.

Manufactured to meet SAE J429 standards, these Grade 5 hex head bolts feature a tensile strength of 120,000 PSI, providing a robust solution for high-vibration environments. The 1/2-13 thread specification ensures optimal engagement in common engine block and intake port patterns, while the 2-1/2 inch length is suitable for typical through-bolt applications.

Professional mechanics and performance engine builders will benefit from the durability and consistency of this 10-pack, which is perfect for manifold mounting, accessory bracket installation, and suspension pickup points. The hex head design allows for secure torque application with standard wrenches, ensuring precise fastening sequences that maintain structural integrity under stress.