QA1 Low Friction Upper Ball Joint - 4-Bolt Style - GM Mid-Size H771003M Features:Designed primarily for race applications

Features:Designed primarily for race applications with no mechanical advanceWill not accept a vacuum advance canisterMust be used with an MSD 6

Fits 2/4 wheel drive models with a Standard Cab/Short bed configuration on a 119 inch wheelbase

Head and Neck Support Compartment

and includes a pass through connection point to support other vehicle accessories such as cruise control functions which may still require a mechanical connection to the transmission

Call for information on the 40 Series

QA1 Low Friction Upper Ball Joint - 4-Bolt Style - GM Mid-Size H771003M Features:Designed primarily for race applicationsQA1 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