2015-2018 Mustang IRS Rear Vertical Links Anodized With Spherical Bearings J&M Products: Available bare aluminum finish, red and black anodized finish Lifetime Guarantee Reduces wheel hop Installs easily, with basic hand tools Provides better handling characteristics Will not flex under load Bearing liner is attached with a thin sintered bronze wire net impregnated with PTFE powder, same as modern ball joints for a long lasting trouble free bearing 52100 heat treated steel/hard chrome plated ball Bearing race is heat treated 4340 chrome moly Increase traction/reduces factory bearing deflection Creates more predictable straight line handling and cornering stability 149 Grams lighter each than the factory pieces. Learn More