Rear Sub- Frame reinforcements were designed for Severe Duty Street and Track Use. Based on the BMW DTM design. This eleven piece weld in kit comes with eight gussets for reinforcing the trailing arm mounts and three differential mount doubling plates.
Rear Sub-Frame Reinforcements
Cost for the kit is $63 shipped.
Differential only kit is $33 shipped. (3 middle pieces)
Fully Reinforced Rear Sub-Frame - $180
Plus actual shipping
Core - $200