UMI Performance · New
UMI Performance 59-64 GM B-Body Adjustable Panhard Bar
MPN 3654-R · Store SKU umi3654-R
Supplier stock checked 11/7/2026, 3:38:55 PM 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
This adjustable tubular panhard bar replaces the stock bar on 58-64 GM B-Body vehicles, enhancing rear-end stability and alignment. It allows on-car adjustments to center the rear end by simply loosening two jam nuts, providing extra tire clearance and proper alignment. The bar features new grease-able polyurethane bushings and requires no modifications for installation, which can be completed in under 30 minutes with basic tools. Constructed from 1.000" x 0.156" DOM Mild Steel Tubing and fully TIG welded, it includes a 4140 Heat Treated Adjuster for durability and a powder coat finish. Note: Not suitable for wagons—verify length before ordering. Center-to-center distance is 31-3/8", adjustable between 30-7/8" and 31-7/8". UMI’s adjustable panhard bar for ’58–’64 GM B-Body centers the rear end with on-car adjustment. Built from DOM steel with a 4140 Chromoly adjuster and poly bushings, it installs in under 30 mins. Powder coated for durability. Not for wagons UMI adj. panhard bar for ’58–’64 B-Body improves rear stability & alignment.
Manufacturer fitment & guides
Check 3654-R against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
