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Discussion Starter · #1 ·
Fj Cruiser Gears - 4.56 & 4.88 Ring & Pinion, Lockers, Install Kits Now In Stock!!!

4.56 Package deals: No carrier change required on models with 3.73 now!
Gears for FJ Cruiser, 03+ 4runner, 05+ Tacoma, 05+ Hilux, Prado 120 & GX470

Front 4.56 thick ring & pinion, rear Ring & Pinion, STD installation kits including pinion seals, crush sleeves, nuts, shims, loctite, marking compound, front side/stub axle seals, rear pinion flange/adapter

everything needed to change to 4.56 gears if you have 3.73 now.

$709 w/ std kits
$1099 w/ master kits (models w/o toyota rear locker)
$1129 w/ master kits (models w/ toyota rear elocker)
Front gears alone run $239

If you have 3.90's (fj w/ MT) in your vehicle now you also need:
OEM 3.73 & down STD Carrier $349 or ARB Air Locker RD121 to run these 4.56 gears. Or better yet if you have 3.90 you can run the 4.88 without changing carrier.

Here is a link to them on our website:
http://www.justdifferentials.com/index.php?main_page=product_info&cPath=22_37_484&p roducts_id=2522
 

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Re: Fj Cruiser Gears - 4.56 & 4.88 Ring & Pinion, Lockers, Install Kits Now In Stock!

have you guys tried to set up a group buy for all of us running 35" tires?
 

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Re: Fj Cruiser Gears - 4.56 & 4.88 Ring & Pinion, Lockers, Install Kits Now In Stock!

subscribing
 

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Discussion Starter · #5 ·
Re: Fj Cruiser Gears - 4.56 & 4.88 Ring & Pinion, Lockers, Install Kits Now In Stock!

Great to hear. These gears took a long time to develop and we did it right. We have sold 100's of sets in both 4.56T & 4.88, with no problems or failures! Thank you for the comments.


I went with their 4.88's and ARB front locker, did Rubicon, Moab, Ouray and drove home to NC w/o problems...
 

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Re: Fj Cruiser Gears - 4.56 & 4.88 Ring & Pinion, Lockers, Install Kits Now In Stock!

4.56 Package deals: No carrier change required on models with 3.73 now!
Gears for FJ Cruiser, 03+ 4runner, 05+ Tacoma, 05+ Hilux, Prado 120 & GX470

Front 4.56 thick ring & pinion, rear Ring & Pinion, STD installation kits including pinion seals, crush sleeves, nuts, shims, loctite, marking compound, front side/stub axle seals, rear pinion flange/adapter

everything needed to change to 4.56 gears if you have 3.73 now.

$709 w/ std kits
$1099 w/ master kits (models w/o toyota rear locker)
$1129 w/ master kits (models w/ toyota rear elocker)
Front gears alone run $239

If you have 3.90's (fj w/ MT) in your vehicle now you also need:
OEM 3.73 & down STD Carrier $349 or ARB Air Locker RD121 to run these 4.56 gears. Or better yet if you have 3.90 you can run the 4.88 without changing carrier.

Here is a link to them on our website:
http://www.justdifferentials.com/index.php?main_page=product_info&cPath=22_37_484&p roducts_id=2522

So, with the auto our only option is 4.56's? What advantage does the masterkit offer?

FINALLY! 4.88 RATIO RING & PINION SET FITS NEW TOYOTA 8" IFS CLAMSHELL STYLE DIFFERENTIAL FOUND IN THE FRONT OF 07+ FJ CRUISER, 03+ 4RUNNER, 05+ TACOMA, 03+ LEXUS GX470, & LC PRADO 120 SERIES. FITS 3.90 & UP CARRIER. MODELS WITH 3.73 WILL REQUIRE NEW CARRIER, OR ARBRD111 AIR LOCKER

So, the auto's can go to a 4.88 ratio if the ARB locker is added?

I'd love to get in a group buy on these. ????????
 

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Discussion Starter · #7 ·
Re: Fj Cruiser Gears - 4.56 & 4.88 Ring & Pinion, Lockers, Install Kits Now In Stock!

Yes if you have an AT, then you can do 4.56 with out changing carrier. IF you want 4.88 no problem, you just need a new carrier as well. The arb locker replaces the carrier anyways.


So, with the auto our only option is 4.56's? What advantage does the masterkit offer?

FINALLY! 4.88 RATIO RING & PINION SET FITS NEW TOYOTA 8" IFS CLAMSHELL STYLE DIFFERENTIAL FOUND IN THE FRONT OF 07+ FJ CRUISER, 03+ 4RUNNER, 05+ TACOMA, 03+ LEXUS GX470, & LC PRADO 120 SERIES. FITS 3.90 & UP CARRIER. MODELS WITH 3.73 WILL REQUIRE NEW CARRIER, OR ARBRD111 AIR LOCKER

So, the auto's can go to a 4.88 ratio if the ARB locker is added?

I'd love to get in a group buy on these. ????????
 

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Re: Fj Cruiser Gears - 4.56 & 4.88 Ring & Pinion, Lockers, Install Kits Now In Stock!

I have the 6MT. Tell me everything that I need to buy to switch to 4.88. What will the final drive ratio be?

Thanks.
 

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Discussion Starter · #9 ·
Re: Fj Cruiser Gears - 4.56 & 4.88 Ring & Pinion, Lockers, Install Kits Now In Stock!

I have the 6MT. Tell me everything that I need to buy to switch to 4.88. What will the final drive ratio be?

Thanks.
You will need front & rear ring & pinions, install kits (either master or minimum), and a rear pinion flange. Feel free to call and order.
 

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Re: Fj Cruiser Gears - 4.56 & 4.88 Ring & Pinion, Lockers, Install Kits Now In Stock!

so no group buy yet?/
 

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Re: Fj Cruiser Gears - 4.56 & 4.88 Ring & Pinion, Lockers, Install Kits Now In Stock!

Hello I hv ordered 4.88 ring & pinion and l install arb front lock but need master installation kit if it's sold separately ? Can u give me it's part number to order it ?!
 
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Re: Fj Cruiser Gears - 4.56 & 4.88 Ring & Pinion, Lockers, Install Kits Now In Stock!

Hello I hv ordered 4.88 ring & pinion and l install arb front lock but need master installation kit if it's sold separately ? Can u give me it's part number to order it ?!
Are you looking for the front or the rear? All our install kits can be found here:

Click on the axle you are looking for: Toyota
 
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Re: Fj Cruiser Gears - 4.56 & 4.88 Ring & Pinion, Lockers, Install Kits Now In Stock!

Updated links:

All Nitro 4.10 4.56 & 4.88 font gearsets are now "thick" to fit OEM 3.73 carrier or ARB RD121.
I would strongly advise against installing an RD111 now, as you will need to buy a new locker when it comes time to regear. Why not just regear now? 4.56 or 4.88 & 33's or 35's is golden!

07-09 FJ Cruiser:
4.10 Without OEM Locker
4.10 WITH OEM Locker
4.56 Without OEM Locker
4.56 WITH OEM Locker
4.88 Without OEM Locker
4.88 WITH OEM Locker

ARB RD132 Rear Locker 09 & older Rear


ARB RD121 Front Air locker (use with stock AT FJ, or all with Nitro gears)

Chromoly rear axles

We have also seen a lot of failures on 09 & older FJ cruisers and offer this upgraded rearend package click here


2010+ FJ Cruiser:
4.56 Without OEM Locker
4.56 WITH OEM Locker
4.88 Without OEM Locker
4.88 WITH OEM Locker

ARB RD121 Front Air locker (use with stock AT FJ, or all with Nitro gears)
ARBRD193 Rear Locker 2010+ 8.2 rear


Chromoly rear axles
 
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