S/S Header Bolt Kit - 12pt. GM LS

The ARP Stainless Steel Header Bolt Kit – 12pt. GM LS is designed specifically for LS engine builders and performance enthusiasts who require reliable fasteners that can withstand extreme conditions. These header bolts play a crucial role in securing the exhaust manifold to the cylinder head, facing constant thermal cycling, vibration, and exposure to corrosive exhaust gases.

Constructed from high-quality stainless steel, this kit offers superior corrosion resistance compared to standard mild steel options. The 12-point head design not only enhances clamping force distribution but also minimizes the risk of rounding during installation, which is particularly beneficial in tight engine compartments. ARP ensures that their fasteners are manufactured to precise tolerances, providing exceptional tensile strength that maintains preload even with the thermal expansion and contraction of aluminum cylinder heads.

This header bolt kit is ideal for a range of LS engine builds, from street performance to dedicated track applications. Its engineering guarantees proper fit and thread compatibility, allowing for optimal clamping load without the risk of over-torquing or damaging the cylinder head. Whether you're upgrading your vehicle for daily driving or competitive racing, this kit is a vital component for ensuring performance and reliability.