Ford Performance Mustang IRS Super 8.8-inch Ring And Pinion Set - 4.09 Ratio M-4209-88409A
$349.00
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Ford Performance Mustang IRS Super 8.8-inch Ring And Pinion Set - 4.09 Ratio M-4209-88409A
$349.00
- Fits 2015-2017 Mustang Super 8.8-inch IRS center section
- Includes OEM crush sleeve and pinion nut
- Requires M-4210-B3 Mustang 8.8-inch ring-gear and pinion install kit
- Compatible with Ford Performance 2015-17 Mustang Power Pack Calibrations that are 50 state legal with CARB EO Certificates
· M-9603-M8 – Mustang GT 5.0L Power Pack 1
· M-9603-M8A – Mustang GT 5.0L Power Pack 2
· M-9452-M8 – Mustang GT 5.0L Power Pack 3
Made in the United States
- 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 or a Ford Performance Power Pack Calibration
- Note: 3.15 ratio differential not compatible with 3.31, 3.55, 3.73 and 4.09 ratio gears. Use differential M-4204-MT or M-4204-M.