QA1 Adjustable Press-In Lower Ball Joint

The QA1 Adjustable Press-In Lower Ball Joint is part of QA1's Ultimate Ball Joint line. It is a precision suspension ball joint made for racing and performance use. The press-in housing mounts in the lower control arm. Its adjustable, owner-rebuildable design lets you fine-tune suspension geometry and keep the joint in service for a long time.

Key Features:

• Adjustable design: Infinite preload adjustment lets you set breakaway torque as low as 0 ft-lbs. This gives smooth, bind-free operation.
• Owner rebuildable: QA1 describes the design as 100% owner rebuildable. Individual parts can be replaced, so you don't have to replace the whole joint.
• Precision bearing race: A precision-ground 52100 bearing steel race is built for long life and very smooth operation.
• Even load distribution: Tight-tolerance ball-to-race conformity spreads load evenly. This improves wear resistance.
• Self-lubricating components: These help keep the joint operating smoothly.
• Adjust on the car: You can make adjustments without removing the ball joint from the vehicle.
• Geometry tuning: The joint is offered with multiple stud lengths, so you can change geometry and fine-tune roll center.

QA1 builds its Ultimate Ball Joints in the USA. They suit racers and builders who want an adjustable, serviceable lower ball joint for GM-style suspensions.