UMI leaf-spring traction bars for 1970–1981 GM F-Body bolt to UMI or factory leaf springs to improve forward traction and reduce wheel hop without cutting, welding, or back-halfing. The kit includes a fabricated front mount with the Herb Adams mod to improve instant center and an adjustable bar length to tune ride quality versus response. Delrin bushings reduce friction; race proven and made in the USA.
UMI Performance 70-81 GM F-Body Leaf Spring Traction Bars with Mounts