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1986-09 Ford Mustang Ford Racing 8.8" 4.10 Ratio Rear End Gear Kit by Ford Racing Performance Parts


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Mustang Ford Racing 8.8" 4.10 Ratio Rear End Gear Kit (86-09)
This Mustang 4.10 gear gear kit includes everything needed to do a gear install, except for the mechanic!

Item# LRS-4209FRC-K

Everyday Low Price: $259.99

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Benefits

  • Improved Acceleration
  • Eliminates Guesswork
  • Everything You Need To Do The Job Right

Features

  • Royal Purple Gear Oil Virtually Eliminates Wear
  • Friction Modifier Provides Smooth Operation & Prevents Chatter

What's in the Box

  • (1) 4.10 Ring Gear
  • (1) 4.10 Pinion Gear
  • (1) Master Bearing & Shim Kit
  • (1) Bottle Friction Modifier
  • (2) Bottles 75w90 Gear Oil

Product Description

Here Latemodel Restoration Supply we know what it takes to install a new set of rear end gears into your Mustang, so we put it all together for you to take out all of the guesswork!

Not only do we include the hardware (rear end gears, bearings, shims), but we also include all of the software (gasket, seals, marking compound, gear oil, friction modifier) needed to do the job the right way!

Ford Racing rear end/ring and pinions gears improve acceleration and performance on your Mustang or Cobra! When its time to replace your stock gears go with the best! Trust the proven name, use Ford Racing’s heavy duty rear axle ring and pinion set. Pinion nut included.

Royal Purple Max-Gear gear oil is an ultra-tough automotive gear oil. It’s designed to maximize power and provide unsurpassed protection to heavily loaded gears. It makes gears run smoother, quieter, cooler and longer without overhauls. Max-Gear outperforms other gear oils because it combines the highest quality synthetic oils with Royal Purple’s proprietary Synslide additive technology.

Ford Racing friction modifier is a specially formulated additive to provide smooth operation of clutch-type limited-slip differentials. 1 bottle of friction modifier is required when changing the gear oil in rear ends equipped with Ford traction-lock units.

Now, everything you need to install rear gears in your Mustang in one package!

Kit includes:
1 Ford Racing Performance Parts 4.10:1 gearset
1 FRPP M-4210-B2 bearing kit (includes GT500 pinion bearing, carrier bearings, pinion seal, ring gear bolts, pinion nut, crush sleeve, shims, and marking compound)
1 bottle of Ford Racing Performance Parts Friction Modifier
2 bottles of Royal Purple 75W90 gear oil

This kit works great in 1986-2009 Ford Mustang 8.8 rear ends for better performance and acceleration.

**Although the Royal Purple gear oil contains friction modifier, we highly recommend including the Ford Racing friction modifier along with the gear oil when refilling your differential.**

**Although the Royal Purple gear oil contains friction modifier, we highly recommend including the Ford Racing friction modifier along with the gear oil when refilling your rear end.**


Product Videos

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Community Q&A

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Customer Reviews


4.9
out of 5 stars
5 stars
9 reviews
5 stars    8
4 stars    1
3 stars    0
2 stars    0
1 star    0

100%
OF CUSTOMERS
RECOMMEND THIS PRODUCT
9 of 9 REVIEWS
RECOMMEND THIS PRODUCT
9 of 9 REVIEWS


  Excellent quality and service but...Something's Missing...
By on 1/24/2014
Great quality products, as to be expected with Ford Racing and Royal Purple... However, LMR did NOT include a new rear diff gasket for the install, as it shows in the photos.. which is a bummer!

Yes, I would recommend this item to a friend!


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  Got Gears? Try this kit!
By on 2/24/2014
If you are installing a new gear set this is the best kit I have seen. Absolutely complete, including an extra crush sleeve (which I didn't have to use because of the great instructions), high quality gear lube and additive. In my humble opinion going from 3:55 to 3:73 does not make a substantial enough difference. I like to really feel my changes - wow did the step to 4:10 change the seat of the pants feel. I shopped long and hard to find the best kit at the best price - look no further!

Yes, I would recommend this item to a friend!


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  awesome parts, awesome customer service!!
By on 3/13/2014
Latemodelrestoration.com is awesome!! They have the best gear kit packages and great deals! Love buying from this site! Always recommend these guys to any new mustang buyer, also these gears kits work great since the majority of the parts are ford OE specs, thanks LRS for great parts and great service

Yes, I would recommend this item to a friend!


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  4.10 of fun
By on 3/19/2014
i got these 4.10s not to long ago and after i put them in it was like a diff car the kit came with everthing i needed to do the job right with a awesome price there has been big fun come out of that small box they ship it in.............................p.s i just had to get new tires i wounder why

Yes, I would recommend this item to a friend!


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  quality parts at the best prices
By on 3/14/2014
I will never order parts from another place. Fast shipping top notch parts and unbeatable prices...

Yes, I would recommend this item to a friend!


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  Major improvement.
By on 9/13/2014
This set of gears really woke my pony up. I only gave this kit 4 stars because it did not include new axle seals and bearings. Kind of stupid since replacing the gears means removing the axles.

Also I ordered 4.10 gears but received 3.73 gears. The Ford Racing box even said 4.10 but I side were 3.73. Once I called Late Model Restoration and sen them photo proof of the box labeling and the gears stamped 373, they sent me out the correct set of gears that same day. And they paid the shipping of the return. Long story short, good gears and company. Mistakes happen. I will continue to use Ford Racing products and I will continue to buy from LMR.

Yes, I would recommend this item to a friend!


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  Best Gear for the S197
By on 9/18/2014
Kit comes complete with everything you need. I was happy to see the install kit - bearings, seals, friction additive was all genuine Ford Motorsport and not knock off brands like in other kits sold by other distributors . Ships very quickly even on the east coast.

The 4.10s wakes up your S197, and with the standard, and driving highway isn't bad at all. Well with the upgrade.

Yes, I would recommend this item to a friend!


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  4.10 ford racing gears
By on 6/11/2014
great kit. Going in my Camaro Mustang Challenge Foxbody Racecar for use at one of the shorter tracks where accelleration out of the corners is needed

Yes, I would recommend this item to a friend!


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  Yeah Gears
By on 8/22/2014
LM has a great price on the whole kit. Don't settle for less than real Ford Gears will be noisy. 4.10 the way to go with auto. Gas it!

Yes, I would recommend this item to a friend!


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Vehicle Applications

Ford Mustang - 1986 (86) - 1987 (87) - 1988 (88) - 1989 (89) - 1990 (90) - 1991 (91) - 1992 (92) - 1993 (93) - 1994 (94) - 1995 (95) - 1996 (96) - 1997 (97) - 1998 (98) - 1999 (99) - 2000 (00) - 2001 (01) - 2002 (02) - 2003 (03) - 2004 (04) - 2005 (05) - 2006 (06) - 2007 (07) - 2008 (08) - 2009 (09)


About This Brand


Ford Racing Performance Parts
Ford Racing Performance Parts - Mustang Ford Racing Parts
Ford Racing is the leader in performance parts and accessories for Mustang and Ford Lightning.

LatemodelRestoration.com is proud to offer Ford Racing Performance Parts for your project. Ford Racing is dedicated to manufacturing the highest quality products offered in the industry. Choose from suspension, exhaust, wheels, and other performance parts at LatemodelRestoration.com. If you want the best for your Mustang or SVT Ligtning, look no further than FRPP!

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