QA1 Low Friction Upper Ball Joint - 4-Bolt Style - GM 4704021-10-XL Street Stocks and Mini-Stocks

Street Stocks and Mini-Stocks

Compete W/Mounting Hardware

2018 Chevrolet Silverado 1500 4WD 78

Xtreme White Plus

QA1 Low Friction Upper Ball Joint - 4-Bolt Style - GM 4704021-10-XL Street Stocks and Mini-StocksQA1 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