This unique, patented design allows for the most adjustability and best clearance of any arm on the market for a more modern front suspension on the classic Chevy C10. SPC uses a 1/2" extended ball stud to improve camber curve and the ball joint features a fully rebuildable & greasable design. Now simply adjust in some caster and camber for a more enjoyable ride. Sold in Pairs. Features: Greaseable and rebuildable ball joint 1/2" extended ball joint for improved camber curve Adjustable camber and caster Best Clearance California Residents WARNING