The RockJock JL/JT Johnny Joint Kit Front End Housing is a high-performance suspension upgrade designed for Jeep JL Wrangler, JL Unlimited, and JT Gladiator models. This kit replaces the factory upper control arm bushings on the front differential housing with durable Johnny Joint rod ends, allowing for maximum articulation and improved suspension flexibility. Constructed with greasable bolts and Johnny Joint inserts that replace rubber bushings, the kit enhances durability and reduces binding under off-road conditions. It also includes an installation tool and comprehensive instructions, making it suitable for serious off-road enthusiasts seeking increased suspension articulation and reliability.

Designed specifically for 2018–2023 Jeep JL and JT models, this Johnny Joint kit is a direct replacement for factory components on all factory axle housings. It is ideal for off-road applications, including rock crawling and trail riding, where maximum suspension movement is essential. The kit includes Johnny Joint inserts, greasable bolts, and installation tools, ensuring a straightforward upgrade process. Compatible with all factory axle housings on JL Wranglers, JL Unlimiteds, and JT Gladiators, this kit provides a robust solution for enhancing suspension performance and durability in demanding off-road environments.