Get 45deg of articulation when you build new or replace aftermarket joints with these forged steel alloy threaded receivers and xAxis sealed flex joints. This assembly has LH 34 - 16 threads, takes a 12mm bolt , and is 2 wide. It comes with a jam nut foryour convenience and is a perfect upgrade for JK front upper control arm bushings. The kit comes with everything you need to replaceupgrade your worn joints. This assembly utilizes a snap ring for positive retention and allows for easy replacement. California Residents WARNING