Adventure Series Retrofit Kits 16MM X 2.625 Wrangler JL and Gladiator JT Pro-Flex All Front Lower Control Arms JT Pro-Flex Rear Lower Mid Arms Rear Lower Long Arms and Pro-X Arms at the Chassis Rock KrawlerRock Krawler Adventure Series Retrofit Kits for Pro Flex Joints Looking to upgrade your Pro Flex Joints with our new, service free Adventure Joints? The Adventure Joint retrofit kit will replace the frame side of your JK JL JT lower control arm bushings with our full, vulcanized rubber bushing. Get up to 35 degrees of misalignment capabilities without ever having to service your joints with grease ever again! Get all the performance without any of the