This direct-fit front right upper control arm adds strength, on-car adjustability and articulation flexibility to your stock-height 'lifted' suspension Wrangler. The dual-threaded adjuster and jam nut makes caster/pinion angle adjustments quick and easy without the need to disconnect the arm or mess with cams and slotted hole knock-outs. California Residents WARNING Self-lubricated and sealed xAxis joints are maintenance and hassle free. Easily adjust caster and pinion angle +2? with Dual-threaded adjuster and jam nuts. Corrosion resistant coating provides superior protection from the elements. Product appearance and features may vary in the market as design changes, improvements and modifications are implemented.