2015-2018 Mustang 8.8 inch 3.55 Ratio Ring and Pinion Gear Set

M-4209-88355A

Fits 2015-2018 Mustang 8.8-inch IRS center section. Will not fit earlier model years.
Includes OEM crush sleeve and pinion nut
Requires M-4210-B3 2015-2018 Mustang 8.8-inch ring-gear and pinion install kit sold separately
Superior forged construction
Black oxide coated to resist rust
Made in United States in Ford's Sterling Axle Plant
OEM Quality - our superior surface finish, hardening and manufacturing consistency provide the strongest and quietest gears in the market.
Requires aftermarket calibration if vehicle is not originally equipped with this gear ratio
Note: Vehicles originally equipped with 3.15 rear axle ratio must upgrade the differential to use this gear set. Use differential M-4204-MT or M-4204-M


Add Ford Performance Install Kit
[Add $130.00]