Drivetrain Differentials and Rear-End Components

Ford Racing

Ford Racing 15-25 Mustang Super 8.8in IRS Ring Gear and Pinion Installation Kit

$151.81

SKU: F009 M-4210-B3

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In Stock
Ships by Sep 1
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$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Ford Racing M-4210-B3 is a ring and pinion installation kit designed for Super 8.8" IRS axles. This kit includes essential components for properly installing rear gears, such as OEM pinion bearings and races, differential bearings and races, shims, a crush sleeve, pinion nut, pinion seal, ring gear bolts, and gear-marking compound.

This installation kit is specifically made for 2015-2026 Ford Mustang models with Super 8.8" IRS axles. It is important to note that it does not fit earlier 1986-2014 8.8” axles.
Show original supplier description

Part #: M-4210-B3

These ring and pinion installation kits from Ford Racing include everything you need for changing your ring and pinion gear. All components are high quality genuine Ford parts to ensure a hassle free installation.

Ring And Pinion Installation Kit | Fits 8.8 in. 10 Bolt | Rear | Fits All Super 8.8 in. IRS Axles

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandFord Racing
Part NumberF009 M-4210-B3

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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