QA1 Pro Touring Lower Control Arms - Black - GM F-Body 1967-69 / GM X-Body 1968-74 (Pair) Front Control Arm Shims Boundary was founded in 2003

Boundary was founded in 2003 and specialized in producing various metal goods for the automotive racing industry

These 529 seals have a

Anti-Cavitation Impeller

Glass Blowing

Fel-Pro Blue Stripe performance valve cover gaskets and Fel-Pro Fel-CoPrene synthetic rubber valve cover gaskets

QA1 Pro Touring Lower Control Arms - Black - GM F-Body 1967-69 / GM X-Body 1968-74 (Pair) Front Control Arm Shims Boundary was founded in 2003QA1? s Pro Touring Control Arms are the answer to your handling needs for autocross and road course. Designed with QA1? s Ultra Low Friction Ball Joint, these arms will eliminate flex and provide bind free movement. The one inch longer upper ball joint stud improves camber gain to keep the tire contact patch optimal for superior cornering grip. QA1? s ball joints are adjustable and rebuildable for tuning with different stud lengths. Configured for QA1