QA1 Street Performance 2.0 Upper Control Arms (1964-1972 GM A-Body) - 52722

Improves a vehicle suspension geometry to increase overall handling, ride quality, and vehicle stance

Polyurethane bushings for low noise, vibration, and harness while being stiff to resist deflection for superb handling

Increased positive caster for straight-line stability

Manufactured using high-strength low alloy steel, billet aluminum cross shafts, and an exclusive ball joint housing design that provides one of the lightest designs available at less than 7 lbs. each. The lighter weight will lower a vehicle's unsprung weight improving performance.

Utilizes QA1 Ultimate ball joints that feature low-maintenance, strengthened construction, rebuildable design, and an integrated dust boot for long-term service.

Mounts in the stock location requiring no modifications

Compatible with stock spindles or drop spindles

Compatible with QA1 single adjustable, double adjustable, and MOD Series Pro coil-over shocks

Compatible with factory or aftermarket disc brake systems