Ultimate Bottom-End Security for 4B11T Engines

The ARP 207-5403 Main Stud Kit is the gold standard for securing the bottom end of your Mitsubishi 4B11T engine. As you increase horsepower and boost levels in your Lancer Evolution or Ralliart, the factory main bolts reach their limit. These ARP studs provide the superior clamping force required to keep your main caps seated perfectly, preventing bearing failure and catastrophic engine damage.

Why Choose ARP 207-5403?

• High-Tensile Strength: Crafted from proprietary 8740 chromoly steel for unmatched reliability.
• Precision Engineering: Rolled threads ensure superior fatigue strength and consistent torque loading.
• Direct Fitment: Specifically engineered for the 2.0L 4B11T turbo engine platform.
• Heat-Treated: Every stud undergoes rigorous heat treatment to withstand extreme thermal cycling.

Installing these studs is a vital step in any serious engine build. By providing a more stable environment for your crankshaft, you reduce vibration and improve overall engine longevity. This kit is a must-have for any enthusiast looking to safely push their Evo GSR, MR, or Ralliart beyond stock power levels. Each kit comes complete with premium nuts and washers, ensuring a perfect installation every time. When it comes to critical engine fasteners, there is no room for compromise. Equip your vehicle with the best hardware on the market. Find this and other performance engine components at GGCRACING.