UMI Performance 15-24 Ford F-150 3/4in Extended Length Leaf Spring Pin Kit

UMI Performance built this leaf spring pin kit for 2015-2024 Ford F-150s running a lowering system or pinion angle shims. It replaces the factory locating pin with four custom extended length 4140 CrMo pins, giving the leaf spring the reach it needs to center correctly. Per UMI, the factory pin often doesn't have enough length once you've added a lowering system or shims, which is exactly the gap this kit fills.

Why Upgrade to Extended Leaf Spring Pins

Per UMI, here's what the extended pins fix:

• Four 4140 CrMo pins, machined to extended length, so the leaf spring centers properly instead of binding against a pin that can't reach.
• Sized for trucks running a lowering system or pinion angle shims, exactly the setups where the factory pin comes up short.
• Solves a centering problem the factory pin can't handle once ride height or pinion angle has been changed.
• Made in the USA.

Fitment Notes

Fits 2015-2024 Ford F-150 in 2.7 EcoBoost, 3.5 EcoBoost, 5.0, V6, Raptor (2017-2024), PowerBoost (2021-2024), and Tremor (2021-2024) configurations. Does not fit F-150 Lightning or Raptor R.

More Engine parts that fit your F-150

Install and Honest Talk

UMI doesn't spell out the install process, only that the four extended pins replace the factory locating pins that center the leaf spring. This is a targeted fix, not a broad upgrade: if your F-150 isn't already running a lowering system or pinion angle shims, the extra pin length doesn't do anything for you. What else you need: [VERIFY: install steps, torque specs, and whether any hardware beyond the four pins is included.]

Specs

• Brand: UMI Performance
• Part number: 6577
• Part type: Hardware Kits - Other
• Quantity: 4 locating pins
• Material: 4140 CrMo
• Country of origin: Made in USA

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Orders over $99 ship free by ground to the lower 48 states. Alaska, Hawaii and Canada are not included; shipping to those addresses is calculated at checkout. Some oversize or heavy parts (long-tube exhausts, bumpers, full lift kits) go freight instead of parcel: free to a commercial address with a loading dock, and residential freight delivery carries an additional charge.

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