The full front and rear set includes:

• 2 Case Cold-Galvanized Metric Flag Nuts
• 4 Hex Flange Metric Bolts
• 4 Hex Flange Metric Nuts
  

A lot of the SAE “upgrade” kits out there get marketed as stronger or better, but in many cases they’re just switching to what’s cheaper or easier to source in bulk. The JK was engineered around metric hardware, and the factory M14 setup works perfectly well when it’s the correct grade and length. Swapping to SAE doesn’t automatically make it an upgrade — especially if you’re drilling holes or mixing systems just to make it fit. Some of those kits still use metric bolts in other locations, which kind of shows the platform itself is designed around metric hardware. At the end of the day, the best setup is the one that matches the original engineering and maintains proper fit, clamp load, and thread engagement — not just whatever is easiest to package and sell.