GM 11610681 Duramax Diesel OEM Cylinder Head Bolt (Torque-to-Yield)

This is a genuine GM OEM Cylinder Head Bolt. These bolts are torque to yield which means you MUST replace them when removed. Reusing torque to yield bolts will result in incorrect torqueing and will result in failure. Each Duramax engine will require a total of 36 bolts or 18 per head.