UMI Performance · New
UMI Performance 15-24 Ford F-150 3/4in Extended Length Leaf Spring Pin Kit
MPN 6577 · Store SKU umi6577
Supplier stock checked 11/7/2026, 6:42:55 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
UMI's leaf spring pin kit includes (4) custom extended length 4140 CrMo locating pins. These pins provide a precision way to center the leaf spring when using lowering systems or pinion angle shims. Factory pins often don't have enough length to do the job. 100% Made in USA. UMI’s leaf spring pin kit includes four extended 4140 CrMo pins to precisely center leaf springs with lowering blocks or pinion shims. Factory pins are often too short. 100% Made in USA for strength and reliability. UMI leaf spring pin kit with extended 4140 CrMo pins
Manufacturer fitment & guides
Check 6577 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