QA1 Pro Touring Upper Control Arms - Black - GM A-Body 1964-72 FR Underwear Bottom 8 mm Pitch

8 mm Pitch

1999-2008 Chevrolet Silverado 1500

25" (without an intercooler installed) Top-Feed Plenum Configuration w/105mm Long

Forget foaming and fluid turbulence with our innovative internal return tube

Reinforced side panels protect high-abrasion areas

QA1 Pro Touring Upper Control Arms - Black - GM A-Body 1964-72 FR Underwear Bottom 8 mm PitchQA1'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