SKU: ARP400-1400
UPC: 672036020415
MPN: 400-1400
The S/S Header Stud Kit - 3/8 x .750 UHL (14) is a premium fastening solution engineered for high-performance engine builds, particularly small-block Chevy applications. Header studs are essential components that secure exhaust manifolds and headers to the cylinder head with greater reliability than traditional bolts. This 14-piece stainless steel kit is designed for builders and enthusiasts who demand superior clamping force, vibration resistance, and long-term corrosion protection in demanding underhood environments.
Manufactured from polished stainless steel, this header stud kit features a 3/8-inch diameter with a .750-inch underhead length (UHL), providing optimal engagement with cylinder head threads while maintaining correct stack height for 12-point nut fastening. The stainless construction resists oxidation and thermal cycling that typically causes conventional steel studs to gall or seize, while the polished finish enhances appearance and simplifies future maintenance. The 12-point nut design distributes load more evenly across the fastener head and reduces the risk of rounding compared to 6-point alternatives, critical for applications subject to repeated heating and cooling cycles.
This kit is ideal for small-block Chevy engine builders, performance mechanics, and restoration specialists preparing engines for street, race, or high-heat duty. The 14-piece configuration covers a complete header fastening package for most SBC applications. Installation requires proper torque sequencing and compatible nut hardware; studs eliminate bolt stretch issues and provide repeatable, reliable clamping that withstands extreme thermal stress far better than conventional fasteners. Whether building a vintage hot rod, modern performance engine, or undertaking a complete restoration, this header stud kit delivers the durability and precision expected in serious engine work.
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