Single SpringEibach Bump Springs are the ultimate solution for soft spring dirt and pavement racing. Our bump spring system is specifically engineered to provide maximum travel and consistency in the most extreme racing conditions.

BMR designed its polyurethane cradle bushings from 95-durometer polyurethane

The lower control arms are constructed from DOM mild steel tubing with a 4130 chrome-moly threaded tube adaptor

Designed to use stock '73-'79 F100/F150 9" axle with iron 3rd member and direct fit aftermarket 9" axles with iron 3rd member

Designed for road course

You can take it off and your lap times will not change

yet lightweight 1 1/4-inch Chrome-moly tubing

most positive shifting units on the market

Featuring a spherical Roto-Joint for bind-free performance

This will give increased under-hood clearance for a strut tower brace or supercharger

and TIG welded for exceptional strength

Made in the USAQA1 suspension is proudly made in Lakeville

and a lower center of gravity for improved handling