QA1 1210-103 Adjustable 4-Bolt Upper Ball Joint for GM (K6136)

The QA1 Precision Products 1210-103 is a high-performance adjustable ball joint designed for serious racing applications. This 4-bolt style upper ball joint features QA1's revolutionary Ultimate Ball Joint design, engineered for exceptional strength and wear resistance in demanding motorsports environments.

Key Features:

• Ultimate Low Friction Operation: Infinite preload adjustment allows breakaway torque to be set as low as 0 ft-lbs for completely smooth, bind-free operation
• Exceptional Wear Resistance: Precision tolerance ball-to-race conformity ensures even load distribution, while the precision ground 52100 bearing steel race delivers long-lasting, ultra-smooth performance
• On-Vehicle Adjustability: Adjust preload infinitely without removing the ball joint from the vehicle, saving valuable time during setup
• Self-Lubricating Design: Fully greaseable construction enhanced with self-lubricating components maintains smooth operation under extreme conditions
• Adjustable Geometry: Compatible with multiple stud lengths (sold separately) for easy roll center and suspension geometry tuning
• Rebuildable Construction: Owner-serviceable design with all replacement parts available at economical prices

This ball joint is designed specifically for GM upper control arm applications and cross-references to K6136. The 4-bolt mounting style provides secure installation and precise positioning.

Important: This is a professional racing component intended for competition use only. Not recommended for street-driven vehicles.