QA1 Adjustable 4-Bolt Upper Ball Joint 1210-285B | GM Large K5208 | +1.000"

QA1 Adjustable 4-Bolt Upper Ball Joint 1210-285B | GM Large K5208 | +1.000"

QA1 Adjustable 4-Bolt Upper Ball Joint — 1210-285B The QA1 1210-285B is a patented Ultimate Ball Joint engineered for GM Large (K5208) upper ball joint applications. Featuring a 4-bolt mount, +1.000" extended stud, and infinite preload adjustment, this ball joint allows precise roll center and geometry tuning without removing it from the vehicle. 100% owner-rebuildable with all replacement parts available.

Key Features

• Brand: QA1
• Part Number: 1210-285B
• Product Type: Suspension Ball Joint
• Fitment: 1964-1977, 1967-1969, 1968-1974 Chevrolet C10, Chevrolet Camaro, Pontiac Firebird, Chevrolet Nova
• Built for improved handling, stance, suspension control, and reliable performance
• Designed for serious street, performance, drag, pro-touring, and custom builds

Fitment & Installation Notes

1964-1977, 1967-1969, 1968-1974 Chevrolet C10, Chevrolet Camaro, Pontiac Firebird, Chevrolet Nova Professional installation is recommended when suspension geometry, alignment, ride height, welding, or fabrication may be involved.

Emissions & Compliance

Catalog compliance data lists CARB:N and/or EPA:N. Confirm state and local requirements before street use.

Why Buy This Part

Choose QA1 for proven performance parts engineered for enthusiasts who care about fitment, quality, and real-world results.