QA1 Low Friction Upper Ball Joint w/ +.500" Stud - Bolt-In Style - GM Mid-Size Rod Ends & Mono Ball Bearings 570 lb/in Spring Rate

570 lb/in Spring Rate

Throttle shaft capped to prevent entry of debris & contaminates

Comes in Clamshell package with instructions

The RZ-18H includes a plush interior and Visor with sunstrip

CAD 3D designed for maximum strength and ultimate weight savings

QA1 Low Friction Upper Ball Joint w/ +.500" Stud - Bolt-In Style - GM Mid-Size Rod Ends & Mono Ball Bearings 570 lb/in Spring RateQA1's 4 Bolt Style Ultimate Ball Joint is ideal for a variety of racing applications. Exclusive to QA1, this patented, self lubricating design is 100% owner rebuildable. Multiple stud lengths are also available, allowing for easy geometry changes. QA1's 4 Bolt Style Ultimate Ball Joint is ideal for a variety of racing applications. Exclusive to QA1, this patented, self lubricating design is 100% owner rebuildable. Multiple stud lengths are also