IRS SUPER 8.8-INCH RING AND PINION SET – 3.73 RATIO
By: Ford Racing
#M-4209-88373A
$465.61
-
- 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
-
-
Time Required: 4 hours (approximately)
-
Skill Level: Expert - It's not recommended that you attempt this installation unless you're an experienced Technician.
-
-
-
Mustang 2015-2020
-
Related Items
S550 Mustang Clutch Spring Assist 35 lb/in
$64.39
Improve clutch pedal engagement feel Modulate your clutch engagement with ease More linear clutch feel Complete replacement of factory 185 lb/in clutch assist Steeda quality,... View full product details
Steeda Focus Clutch Spring Assist Kit (2013+ ST/RS)
$39.10
Note: Spring perch (factory perch showed above) is not included Improve clutch pedal engagement feel Piano wire construction with high tensile strength and high elastic... View full product details
Steeda Mustang Clutch Spring Assist and Spring Perch Kit (2015-2023)
$195.49
Improve clutch pedal engagement feel Consistent spring rate and minimal sag even after repeated use More linear clutch feel Heavy Duty design that's guaranteed for... View full product details
Steeda S197 Mustang Clutch Spring Assist (11-14)
$60.94
Your 2011-2014 Mustang comes with a 200 lb/in clutch assist spring installed from the factory. This high-rate spring is what causes such a vague and... View full product details
© 2025 Steeda. All trademarks and registered trademarks are the property of their respective owners.