Tubular Upper Control Arms | 2.5" of Lift | Chevy/GMC Blazer/S15 Jimmy/Sonoma 4WD These upper control arms feature OEM-style rubber bushings and pressed-in POM ball joints for easy installation. They allow for full down travel and increased clearance to the upper strut mount. Rough Country Tubular Upper Control Arms feature POM ball joints for a greater range of motion offering more wheel articulation than standard or OE replacements. These ball joints feature a Polyoxymethylene ball race with an extremely low coefficient of friction for longer life, and a larger ball diameter to improve the range of motion with a maintenance-free design. Each ball joint is fully greaseable. Rough Country Tubular Upper Control Arms also feature durable rubber bushings rubber bushings for superior quality and durability. 1242