ARP 146-4201 is a high-performance head stud kit designed specifically for the Jeep 4.0L inline-6 engine. This kit provides superior clamping force and repeatable torque retention, improving head gasket sealing under heat, pressure, and boost conditions. Manufactured from premium steel with heat treatment, the studs resist stretching and galling even in demanding applications. The kit simplifies engine assembly and increases durability for rebuilds, performance builds, or rugged daily driving. ARP's engineering and quality control ensure consistent thread engagement, precise fitment, and long-term reliability. This head stud kit is an excellent choice for enthusiasts seeking robust head-to-block clamping in a classic, high-torque inline-6 configuration.

