UMI Performance · New
UMI Performance 91-96 GM B-Body Boxed Extended Length Lower Control Arms - Red
MPN 3621-R · Store SKU umi3621-R
Supplier stock checked 11/7/2026, 2:42:14 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
UMI’s extended length trailing arms optimize wheelbase to improve the appearance of the wheel in the wheel opening. Heavy boxed tubing and high quality polyurethane greaseable bushings make our extended length trailing arms a great upgrade to your ride. We recommend using extended length upper arms such as UMI 3619, 3620 or 3624. – Durable Long Lasting Powder UMI Red or Gloss Black Powder Coat finish – Built using 0.120″ Wall Thickness Rectangular Mild Steel Tubing 3621 - 1978-1996 GM B-Body Extended Length Control Arm – CNC Machined for Precision Tolerances and Accuracy – Modern formulation greaseable poly bushings – MIG Welded DOM Steel Bushing Holders • +5/8" extended length **Features**
Manufacturer fitment & guides
Check 3621-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
