QA1 Greaseable Upper Ball Joint Upper - Screw-In - Low Friction - 2.95 in/ft Taper - 3.803 in Stud - 1/2-20 in Thread SPC4910X Protect yourself from wind and

Protect yourself from wind and debris

Drivers with multiple helmets or teams with multiple drivers can purchase additional MAGLOCK AIR™ helmet side only air kits

Talk between passengers

1999 Chevrolet C1500 LS 5

QA1 Greaseable Upper Ball Joint Upper - Screw-In - Low Friction - 2.95 in/ft Taper - 3.803 in Stud - 1/2-20 in Thread SPC4910X Protect yourself from wind andFor a variety of racing applications, QA1's Screw In Style Ultimate Ball Joint is a great choice. This patented, self lubricating design is 100% owner rebuildable and is exclusive to QA1. Multiple stud lengths are also available, allowing for easy geometry changes. Infinite preload adjustment allows breakaway torque to be set as low as 0 ft. lbs. for a completely smooth, bind free operation. Precision tolerance ball to race conformity results in even