UMI Extended Rear Trailing Arm Kit improves traction and handling 1999 pontiac firebird The UMI heavy duty tunnel

The UMI heavy duty tunnel brace reinforces the tunnel area and reduces chassis flex by replacing the weak factory stamped steel brace

rear lowering springs to enhance stance and performance

as specified for most late-model BMW

complementing the extended length lowers

TIG welded lower bracket holds the shock in double shear and works with standard axle mounts as well as with most common relocation brackets (spacers included)

UMI Extended Rear Trailing Arm Kit improves traction and handling 1999 pontiac firebird The UMI heavy duty tunnelUMI's 362224 trailing arm kit is the perfect solution for the 1978 1996 GM B Body factory wheelbase issue. By extending the arms 5 8", UMI has created a kit that effectively repositions the wheel within the wheel house. The extended length rod end adjustable upper trailing arms control pinion angle and lateral location, complementing the extended length lowers. This kit allows for the use of the factory driveshaft and is proudly made in the USA.