Ford Performance Ring And Pinion Gear 3.55 Set 8.8" IRS 2015-2017

Ford Performance: M-4209-88355A
MSRP: $249.00
CJ's Low Price:
$199.00
1480896000 60432
Pick up the necessary Friction Modifier and Installation Kit to go along with your new Ring & Pinion gears.
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Ford Performance Ring And Pinion Gear 3.55 Set 8.8" IRS 2015-2017
Ford Performance Ring And Pinion Gear 3.55 Set 8.8" IRS 2015-2017 Ford Performance Ring And Pinion Gear 3.55 Set 8.8" IRS 2015-2017 Ford Performance Ring And Pinion Gear 3.55 Set 8.8" IRS 2015-2017 Ford Performance Ring And Pinion Gear 3.55 Set 8.8" IRS 2015-2017 Ford Performance Ring And Pinion Gear 3.55 Set 8.8" IRS 2015-2017 Play Ford Performance Ring And Pinion Gear 3.55 Set 8.8" IRS 2015-2017 Video 1
Ford Performance

Product Description

Ford Performance 3.55 Ring and Pinion Gear Set for all 2015, 2016 and 2017 Mustangs with the 8.8" IRS Rear End.

Ring and pinion sets have proven to be one the most popular modifications for just about any Mustang owner. So much about how your Mustang feels can be controlled by replacing the factory Ring and Pinion Gears in your 2015-2017 Mustang. Whether you’re looking for faster acceleration or a higher top speed, with this set from Ford Performance, you’ll have the correct top quality parts to take full control over your S550.

All Ford Performance (formerly Ford Racing) Ring and Pinion Gear Sets are made in the United States at Ford's Sterling Axle Plant. The lower the ratio (higher the number), the quicker your car will accelerate and you will feel the difference in the "seat of your pants". Ford Performance’s 8.8" gears are the choice of championship road racing and drag racing teams around the world. Featuring OEM quality, a superior surface finish, hardening and strict manufacturing consistency, this gear set will provide you the strongest and quietest performance on the market today!

Features and Benefits:
- Strong Unmatched Forged Construction and Quality
- Quiet Worry-Free Performance
- Corrosion Resistant Black Oxide Finish
- Perfect for Street or Track Use
- Made in the U.S.A.
- Professional Installation is Highly Recommended

Please Note: Requires M4210B3, the 2015-2017 Ford Racing 8.8” IRS Ring and Pinion Installation Kit

*Will NOT fit earlier 8.8-inch straight axles found in previous generations.
*Will NOT fit 2015-2017 Mustangs originally equipped with a rear-end housing with factory installed 3.15 gears. 

Tech Tip: After installation of your new FRPP 3.55 Ring and Pinion Gear Set, you will need to adjust your rear axle ratio with a handheld tuner (NOT Included) in order to re-calibrate your speedometer.

If you're looking for parts for your 2015-2017 Mustang, you should start by looking at the several Mustang parts that CJ Pony Parts offers from Ford Performance (formerly Ford Racing). By buying your Ford Performance parts from CJ Pony Parts, you know you're getting your Mustang parts from a reliable, reputable dealer, since CJ Pony Parts is a Top 10 Ford Performance Dealer and has been for the last 10 years. When you buy your Ford Performance Mustang parts from CJ Pony Parts, you know you have a winning combination.

Order the Ford Performance 3.55 Ring and Pinion Gear Set M-4209-88355A for your 2015-2017 Mustang that's equipped with the 8.8" IRS Rear End from CJ Pony Parts today!

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Installation Instructions

Mustang Installation

Mustang Applications

This product will fit the following Ford Mustang years:

Product Reviews

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Product Questions

Will the work on a 2015 ecoboost mustang with a automatic transmission with 331 gears ?

Asked by: Ecobeast2015
Yes.
Answered by: CJPP Dave
Date published: 2016-10-24

Can I change the performance pack 3.73s to this 3.55.  The 3.73 is a Torsen.

Asked by: wildcatgoal
Yes.
Answered by: CJPP Dave
Date published: 2016-10-05

WHY WONT THIS WORK WITH A FACTORY REAR END WITH 3.15RG . THEY BOTH USE THE SAME HOUSING FR3Z-4310-A

Asked by: THOODLUM
The 3.15 housing is cast aluminum housing, you would have to switch to the cast iron housing to change gears ratio.
Answered by: rk cjpp
Date published: 2016-03-24

I have been told that the 3.55 Ring and Pinion will fit my 2015 Mustang GT with the stock  3.15 gears  if I also replace the limited slip differential Your website simply says the 3..55 gears won't fit. Can you clarify?

Asked by: Fred D
You are correct, the whole differential will need replaced to run the 3.55 gears. Take a look at this part for a complete solution: http://www.cjponyparts.com/ford-racing-differential-housing-iron-loaded-with-3-55-gears-automatic-2015-2016/p/M400188355/
Answered by: CJPP Dave
Date published: 2015-10-14

What has to be changed to upgrade a 2015 with 3:15 gears to 3:55 gears?

Asked by: bigbirdwpg
The whole differential.
Answered by: CJ Pony Parts
Date published: 2015-09-10
  • 2016-12-05T08:05CST
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