Ball Joint, Adjustable Press-In, Lower GM (K6141) W/ Press-In Sleeve Miata BMR's heavy-duty spherical bearings are

BMR's heavy-duty spherical bearings are designed to solidly link the spindle to the upper control arm

Viscosity Index 140

For substitutions or customization

SAE Viscosity Grade 5W20

VW/Audi 502

Ball Joint, Adjustable Press-In, Lower GM (K6141) W/ Press-In Sleeve Miata BMR's heavy-duty spherical bearings areQA1 offers its Ultimate Ball Joint in a Press In Style for a variety of racing applications. A 100% owner rebuildable design, the Ultimate Ball Joint is a QA1 exclusive. This patented, self lubricating ball joint is offered with multiple stud lengths, providing 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