Atomic SOHC INTECH H13 T/Steel 14.3mm Headstud Kit

Upgraded to Atomic Ford 6cl SOHC INTECH 14.3mm Tool Steel Headstud Kit for ultimate head seal! To suit EB-AU Ford SOHC 6 cyl. Includes 12pt double hex nuts, washers and instructions.

Atomic Tool Steel Head Studs are premium fasteners designed specifically for ultra high-performance and high-boost Ford INTECH SOHC 6cl engines. They address the limitations of conventional studs (like ARP2000 or ARP CA625+) by using a proprietary H13 ultra-high-strength tool steel—engineered to maintain clamping force under extreme cylinder pressures, RPM, and thermal cycling.

What makes them stand out:

🔧 Key Features of Atomic Tool Steel Head Studs

• Material: Proprietary high-tensile H13 tool steel, heat-treated and tempered for superior fatigue resistance and strength retention under extreme heat and pressure.

• Strength: Tensile strength is significantly higher than ARP2000 and ARP L19, with better performance in heat-soaked, high-horsepower applications. Ideal for 40+ psi boost levels and 800-1800+hp builds.

• Thread Engagement: Precision-rolled threads for maximum surface finish and durability, reducing the risk of galling or thread pull-out in the block.

• Stretch Properties: Exceptional elasticity range, meaning better clamping force without permanent deformation or relaxation after heat cycles.

• Proven Performance: Used in many of Australia’s highest-horsepower Barra builds, including drag and roll-racing applications where combustion pressure and head-lift are critical concerns.

•  Provided with: small pot of moly grease to assist assembly at correct torques

• Torque Settings: Custom torque specifications, usually higher than typical ARP studs, to take full advantage of their superior stretch and clamping characteristics.

• Requires Block and head modifications to suit the larger diameter studs