QA1 Greasable Lower Ball Joint - Press-In - 1.500 in/ft Taper - 3.396 in Stud - 1/2-20 in Thread Crankshaft Pulley Because of their compact size

Because of their compact size and standard GM mounting ears

also sends 2-3 times more spark into the combustion chamber than a magneto

6 inch wide phone

Completely assembled - ready to install

QA1 Greasable Lower Ball Joint - Press-In - 1.500 in/ft Taper - 3.396 in Stud - 1/2-20 in Thread Crankshaft Pulley Because of their compact sizeQA1 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