Ford Performance IRS Ring Gear and Pinion Kit – 3.55 Gears



SKU: 139463
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Ford Racing Gears in your 2015-2019 S550. Ford Racing Ring and Pinion Gears are perfect for street, road, and race applications.

Manufactured in the USA, these Ford Racing Mustang ring and pinion gears feature a super strong forged construction, CNC cut & lapped gear teeth, and are completed in a black oxide finish to resist corrosion.

Changing the rear axle gear ratio will throw off the calibration of your Mustangs speedometer. A tune is required to correct the speedometer

This 3.55:1 Ratio Ford Racing Ring and Pinion Gear set will fit all 2015-2019 Mustangs equipped with an 8.8″ Independent Rear Suspension (IRS), including V6, EcoBoost and GT models.


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