Suspension and Components› Front Suspension Components
UMI PERFORMANCE
UMI's Race Proven lower a-arms bring race car handling to your truck. Double shear coilover-only lower mounts hold all popular coilover assemblies.
SKU: U01C 6435-1-B
Moderate — 2–4 hours
Description
Part #: 6435-1-B
Features:
- Race Proven #cornermax geometry.
- 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.
UMI's Race Proven lower a-arms bring race car handling to your truck. Double shear coilover-only lower mounts hold all popular coilover assemblies.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | UMI PERFORMANCE |
| Part Number | U01C 6435-1-B |
Videos
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy