SBC Header Stud Kit 3/8 x 1.675

The SBC Header Stud Kit 3/8 x 1.675 from OptiTorque Technologies is designed specifically for small-block Chevrolet engine builders and performance enthusiasts who require dependable performance under extreme conditions. These header studs replace factory bolts at the cylinder head-to-exhaust manifold interface, where thermal cycling and vibration create challenging clamping environments in any engine bay.

This kit features 3/8-inch diameter studs with a length of 1.675 inches, engineered to match OEM and popular aftermarket header flange patterns for small-block Chevy applications. The studs are manufactured from premium alloy steel, ensuring precise tolerances for accurate torque specifications and consistent clamping force, which is crucial in high-boost scenarios or when using aluminum heads.

Ideal for various SBC platform upgrades, including LS-swaps into classic vehicles and turbo or supercharged street engines, this kit provides essential reliability against manifold leaks and blown gaskets. Whether for street performance or racing applications, quality header studs are essential for minimizing costly downtime and ensuring optimal engine performance.