QA1 82-04 Chevrolet S-10 Drag Race Lower Control Arm Kit - FrontQA1 S 10 drag race control arm kit Unlock better 60 foot times and more consistent passes with the QA1 8204 Chevrolet S 10 Drag Race Front Lower Control Arm Kit. Designed specifically for drag racing applications, this kit reduces weight and improves front end geometry for optimal launch control. The QA1 lower control arms are built from high strength tubular steel and engineered to reduce unsprung weight while maintaining the durability needed to