UMI Performance · New
UMI Performance 64-77 A-Body 70-81 F-Body GM Front Sway Bar 1-1/4in Solid
MPN 4066-R · Store SKU umi4066-R
Supplier stock checked 11/7/2026, 11:38:30 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
UMI’s 1-1/4" solid front sway bar is intended for Pro-Touring, road race, auto-x and corner carving. Each bar is manufactured from CNC bent 4140 CrMo which features excellent strength and a lifetime of durability. This kit includes our billet aluminum bracket kit (P/N 90066) for those who want ultimate strength combined with a great appearance. The 4066 bar also works nicely with UMI 2649 swivel end links. This kit is available in UMI red or gloss black powder coat. 100% manufactured, tested and raced in the USA. 4066 - 1964-1977 A-Body 1970-1981 F-Body GM Front Sway Bar, 1-1/4” Solid
Manufacturer fitment & guides
Check 4066-R 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