Upper Ball Joint - GM Large +.500

The QA1 Upper Ball Joint - GM Large +.500 (SKU QA11210-203B) is a greasable, take-apart upper ball joint designed for high-performance suspension systems in General Motors vehicles that require a +.500-inch oversize stud. This replacement part is ideal for operators and enthusiasts who are building or maintaining suspension systems that prioritize reliability and performance under load.

Featuring a 2.000-inch taper and a 4.35-inch stud height, this ball joint is compatible with the large-bore GM upper control arm package. The 1/2-20 thread specification ensures secure fastening with standard hardware, while the greasable design allows for field lubrication, extending the joint's lifespan even in extreme conditions. This is particularly crucial for off-road applications or vehicles exposed to harsh environments.

This upper ball joint is perfect for off-road enthusiasts looking to enhance their vehicle's suspension geometry for improved articulation, as well as technicians upgrading aging OEM components. The bolt-in design minimizes downtime, requiring no welding or custom fabrication, making it a practical choice for maintenance and upgrades.