QA1 Low Friction Upper Ball Joint - 4-Bolt Style - GM (Large) Mobile Electronics Parts & Accessories PerTronix D2002 Flame-Thrower HEI/EST GM

PerTronix D2002 Flame-Thrower HEI/EST GM 8 Pin Module

Four 12 AN Female Passenger Side Pickups

Lock-down holds your cartridge filter in place while you rotate the filter to make a clean cut

Soft Urethane

QA1 Low Friction Upper Ball Joint - 4-Bolt Style - GM (Large) Mobile Electronics Parts & Accessories PerTronix D2002 Flame-Thrower HEI/EST GMQA1 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