Cognito Uniball Tubular Upper Control Arm Kit without Dual Shock Mounts for 2001-2010 Chevrolet and GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD 2WD/4WD trucks, Chevy and GMC 2001-2013 2500 2WD/4WD SUTs and Hummer H2, H2 SUTs. Made in the USA. specifically for leveled and lifted applications where an upgrade is desired to provide better performance, style, and function. Powder coated semi-gloss black. FK Uniball joints are included as well as new crush sleeves and polyurethane bushings. Ample droop travel is required for good ride quality and all suspension components to last and work properly. This control arm kit will add performance to the Chevy and GMC truck by correcting the Uniball angle for lifted and leveled applications, increasing droop travel, and also increases caster slightly for better highway speed drivability. NOTE: These control arms do NOT have dual shock mount provisions. If control arms with shock mounts are needed please see alternate sku.