UMI Performance · New
UMI Performance 64-72 GM A-Body Upper A-Arm Mounting Hardware
MPN 4003 · Store SKU umi4003
Supplier stock checked 11/8/2026, 10:02:34 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Don't reuse old rusty bolts when installing aftermarket A-Arms when you can replace them with new ones. Our kit includes new high grade hardware for installing your new upper A-Arms. Kit includes Grade 8 bolts, flat washers and conical lock nuts. All hardware is zinc coated to prevent corrosion while adding a great look to your installation. Hardware kit will work on UMI A-Arms, factory A-Arms and many other brands. 1964-1972 GM A-Body Upper A-Arm Mounting Hardware Kit
Manufacturer fitment & guides
Check 4003 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y