UMI’s Race Proven lower a-arms bring race car handling to your truck. Double shear coil over-only lower mounts hold all popular coil over assemblies.

• Race Proven #cornermax geometry.
• Sway Bar End Link Included
• Integrated Bump Stop
• Removable Lower Shock Mount
• Delrin Bushings
• Integrated Adjustable Steering Stop 
• Increased caster improves steering feedback.
• Double shear lower mount accepts most popular 1/2″ bearing shocks.
• Change springs and shocks without disassembling ball joints.
• Adjustable steering stops.
• 100% Made in Philipsburg, PA – USA and always of USA materials.