UMI PERFORMANCE
UMI Performance 64-72 GM A-Body Upper & Lower A-Arm Mounting Hardware
SKU: U01C 4004
Description
Part #: 4004
Don't reuse old rusty bolts when installing aftermarket A-Arms when they can easily be replaced with new ones. Our kit includes new high grade hardware for installing your new upper and lower A-Arms. This kit includes Grade 8 bolts, flat washers and lock nuts. All hardware is zinc coated to prevent corrosion while adding a great look to your installation. This hardware kit will work on UMI A-Arms, factory A-Arms and many other brands.
Control Arm Bolt - 1/2 in Hex Head - Bolts / Lock Nuts / Washers Included - Steel - Natural - GM A-Body 1964-72 - Kit
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
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
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Specifications
| Brand | UMI PERFORMANCE |
| Part Number | U01C 4004 |
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.
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