Tax included.
Atomic Tool Steel Main Stud Kit – Ford Barra DOHC | H13 Tool Steel | Complete Bottom-End Fastening Solution
Description:
When you're building a high-horsepower Barra, the bottom end needs to be locked down — permanently. The factory main bolts are not designed to handle the extreme cylinder pressure, torsional load, and high RPM seen in serious street and race applications.
Enter the Atomic Tool Steel Main Stud Kit — a premium fastener upgrade for FG-onward Ford Barra 4.0L DOHC 6-cylinder engines. Manufactured from H13 tool steel, known for its exceptional toughness, fatigue resistance, and thermal stability, these studs offer superior performance over conventional alloys, even under the most brutal conditions.
Whether you're chasing 600hp or pushing past 1500+, this is the bulletproof foundation your bottom end needs.
✅ Key Features:
✅ Suits FG-onward Ford Barra DOHC 6-cyl engines
✅ Manufactured from H13 tool steel – ultra high tensile and heat-resistant
✅ Includes hardened washers, high-tensile nuts, and moly assembly lube
✅ Replaces factory main bolts with high-strength precision studs
✅ Maintains consistent cap clamping under extreme load
✅ Prevents cap walk, bearing misalignment, and oil pressure loss
✅ Proven in Atomic engines making 1000–1800+hp
🛠️ Why H13 Tool Steel?
✔️ Outstanding fatigue resistance – handles repeated high-load cycles
✔️ Superior thermal stability – resists expansion/stretch under heat
✔️ Exceptional yield strength and toughness – critical for turbocharged, high-RPM builds
✔️ Commonly used in aerospace, motorsport, and high-stress tooling applications
💪 Why Upgrade to a Main Stud Kit?
✔️ Provides more even, reliable clamping than factory bolts
✔️ Keeps the crank locked in place under extreme torsional loads
✔️ Reduces risk of main bearing damage and crank walk
✔️ Drop-in upgrade – no machining required
Lock it down with the best. The Atomic Tool Steel Main Stud Kit is the uncompromising choice for barra builders who want strength, precision, and durability at the core of their engine.