Cognito Ball Joint SM Series Upper Control Arm Kit for 01-10 Silverado/Sierra 2500/3500 2WD/4WD XP 4 Turbo allowing you to customize your

allowing you to customize your audio setup to fit your specific needs

1x Wet Sounds® MC-2® Head Unit

Works with stock cables and EZ Clutch Extensions

- Gain +55 amp hours when added to 20Ah OEM starting battery

Cognito Ball Joint SM Series Upper Control Arm Kit for 01-10 Silverado/Sierra 2500/3500 2WD/4WD XP 4 Turbo allowing you to customize yourThe Cognito Ball Joint SM Series Upper Control Arms add style, function, and performance to your vehicle by improving the allowable droop travel for a better ride quality. The boxed sheet metal arms are welded, and powder coated semi gloss black. Pre installed maintenance free ball joints and pivot bushings are included. This control arm kit will add performance to the Chevy and GMC truck by correcting the ball joint angle for lifted and leveled