QA1 Low Friction Upper Ball Joint - 4-Bolt Style - GM 4704021-10-XL Big Block Chevy / Mopar

Big Block Chevy / Mopar / Ford / Cleveland

2018 Chevrolet Silverado 1500 4WD 78

Hemi 8-Bolt

8mm Double Silicone Construction Black Wire Rated To 600 degrees F

QA1 Low Friction Upper Ball Joint - 4-Bolt Style - GM 4704021-10-XL Big Block Chevy / MoparQA1 has now utilized this technology in ball joints designed and engineered exclusively for high perfomance racing applications. This completely revolutionary ball join design will rock the racing world! For the ultimate in low friction operation (0 ft. lbs breakaway torque!) and the most wear resistant design, look nor ruther than QA1. QA1's patented ball joints feature the following: Ultimate Low Friction Operation o Infinite preload adjustment