BMR 08-17 Challenger Upper Trailing Arms w/ On-Car Adj. Poly/Rod Ends - RedLaunching harder, reducing wheel hop, and adding cornering consistency to your 2008 2019 Dodge Challenger is easy with upper trailing arms from BMR's suspension. Stock stamped steel trailing arms with soft rubber bushings deflect under load and absorb power instead of transferring it to the tires. BMRs rod ended, on car adjustable trailing arms for Challengers(UTA112) are manufactured from heavy duty 1 inch DOM steel tubing with TIG welded Chrome moly