Super-Flex Front Lower Non-Adjustable Control Arms For Jeep Wrangler TJs and XJ/MJ/ZJ (front or rear) Cherokees. All Super-Flex Control Arms feature our rebuildable spherical bearing assembly. This assembly features a large 2.25 inch polymer race that encapsulates a 1.75 inch hard plated steel bearing. A threaded steel insert allows adjustable preload and easy maintenance. The unit is greasable and extremely quiet due to the non-metallic races. This bearing allows extra flex for off-road prowess, yet does not sacrifice on-road handling or long term durability

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