Toyota Gear Installs
Prescott AZ
check-in 5-11-2024

Relocated now to Prescott and no longer mail out diffs.
But a local with a gear install/bearing rebuild should contact me.

Click HERE for my thoughts

Toyota Bearing Information

Almost all of my links inside tables. . . . . .

My 2001 Tacoma SAS buildup

ARBs Never Again

REM Super Polished 5.29 Revolution Gears for Zander's 2020 Tacoma TRD Offroad
REM super polished 529 Nitro gears for Mike's 2021 Tacoma TRD
REM....A Super Polishing Process.....How important is it?
Rex's 2017 Tacoma had an annoying leak from the front clamshell area after a 529/elocker install
Harrop/Eaton installation tricks
8" clamshell with Harrop A11110 elocker from Steve's 2012 4Runner needs some real TLC
80 series Landcruiser aftermarket bearing kits and why they might SUCK mongoose.
Torsen LSD for Carol's 1990 Pickup
REM processed NITRO 4.10 Gears for Dave's Lemons car
Harrop A10976 E-Locker for Craig's 1999 LX470 front 8" IFS 3rd.
JP's 2017 Tundra Gets a Harrop A13791 with a Regear to REM and CRYO'd Nitro 529's
Carlos Upgrades his 98 4Runner with a Rear Harrop and 488 Nitro Gears
Jon from Montana gets 529 Ninja Gears and a Harrop A9334 elocker
The very first Harrop for the 10.5" Tundra (A13791) sent to the USA to JP......
Roger from Hawaii gets Nitro 488 gears for his 1994 FZJ80
Harrops at both ends with Nitro 488 gears for Stu's 1997 LX450
Jason's 2015 Tundra gets Nitro 529 gears and an Auburn LSD
Harold's 2018 Tacoma TRD 8.75" rear 3rd gets Nitro 529 gears
Nitro 488 gears and an ARB RD153 for Steve's 1971 FJ40 rear 9.5" 3rd
529 4-cylinder gears in a V6 elocker for Steve's 94 4Runner
Shaun's 2016 Tacoma with 8.75" elocker gets CRYO treated 529 Nitro Gears
6.7" IRS diff from Charlie's Camry Alltrac gets a bearing rebuild
Brent's Toyota drift car gets new 5.13 gears in the 6.7" solid axle diff
Loose ring gear bolts on front 8" elocker (Rich's 96 FZJ80)
Jesse's 07 Taco Gets A Rear Trutrac And New Bearings
Local NC Landcruiser install goes bad fast...."ZUK, can you dissect the install and give it a proper set up?"
Jason's 1987 SAS'd truck gets Nitro 529 gears/Harrop in a Marlin HP Diff Housing
Ivan's 2000 Tundra rear 8.4" rebuild (from the Island of Curacao)
Harrop elockers and cryo-treated Nitro 4.10 gears for Morgan's 1997 Landcruiser
John's 2005 Tacoma Prerunner gets a Harrop Elocker and Nitro 488 gears
Tony's 1984 4Runner front Hi-Pinion gets a Harrop elocker and Nitro 488R gears
Juan's 2004 100 series Landcruiser gets a front Harrop and Nitro 488R gears
Josh's '17 Tacoma 2WD TRD Sport Gets Nitro 529 V6 8" gears and a 913A610 Truetrac
Derek's 07 FJ Cruiser gets cryo treated Nitro 4.88 gears (was 3.73)
Rip upgrades his 03 Tacoma front clamshell with a 911A644 Truetrac and cryogenically treated bearings.
Nick's 1995 4Runner with factory 488 gears gets a rear 913A610 Truetrac
MYSTERIOUSLY loose ring and carrier bolts....Jason's 1990 HDJ81 grenades the stock front 8" ring/pinion
Harrop elocker A13457 and Nitro 4.56 gears for Brian's 2008 Tacoma 8.4"
Rear 9.5" Harrop elocker and 410 Nitro Gears on a custom build by Rekon 4x4 in Spicewood, Texas.
Mike, located on the Cayman Islands, gets Harrop elockers front and rear for his 1997 Landcruiser
Truetrac (911A644) for the front 7.5" clam of Jordan's 1999 4Runner
Justin's Front 9" clam (2008 200 series) gets the 488 Nitro Gears and ARB RD151
Justin's 2008 200 series Landcruiser 9.5" rear 3rd gets Nitro 488 gears
Harrop elocker (8.4" 3rd) and Nitro 488 gears for Jose's '04 Tundra
Mike's 2wd pickup with 7.5" rear diff gets a SUPRA MKII LSD and new bearings. -320C treated Nitro 529 gears for Ely's 1994 FJ80
Nitro 4.56 gears and a Harrop elocker for CJ's 2015 Tacoma front 8" clam
Joe's 2002 Tacoma gets Sierra 4.56 gears in the rear 8" elocker
Rear Differential Carnage on George's 97 LX450
Brian's 1993 FJ80 gets 3.73 gears from (imported from Australia)
Chris's 2014 Tundra with the BIG 10.5" ring gear gets Nitro 488 gears
Chris's 2014 Tundra also sees a set of Nitro Gear 488's for the front 9" clam
Sam's 2014 Tacoma gets 8.4" Nitro 4.56 Gears and a LockRight
Nick's 87 Toyota pickup gets a front Truetrac 911A644 and Nitro 529 Gears
Jorge from the Czech Republic gets a front Harrop and Nitro 488 Gears for his 1997 FZJ80 Landcruiser
Harrop Elockers And Cryo Treated 4.56 Nitro Gears For Both Ends of Paul's '05 Lexus GX470
Savvas from Nicosia, Cyprus gets an ARB RD153 for his 1979 FJ43
Harrop Rear 9.5" Install For Ralph's 2009 Landcruiser 200 Series
Tree Stump Wins....BANG!! from Humbertos front 8" ring gear 1997 Landcruiser
Harrop Install for Matt's Stock 2004 Lexas GX470
Jason's 2006 4runner has a noisy rear diff
Harrop elockers and Sierra 488 Gears for Jeff's FJ80
Jordan's 1999 4Runner gets Upgraded with a Truetrac 913A610
Harrop Elocker/488 Nitro Gears in Andrew's '97 FZJ80(front HP8")
Clam 8" gets Harrop elocker and cryo 456 Nitro thick gears on Mike's 07 4Runner
Jacob's 01 4Runner has a very loud whine from the rear 8" diff with ARB and Nitro 529 Gears
Steve from Toronto Canada gets 3.73 gears installed with a FLIPPED Truetrac
Jay from Edmonton, AB, Canada gets 488's, spool, new aftermarket diff housing.
Destroyed front pinion on Zachary's 94 FZJ80
Cryogenics and 529 Nitro Gears for Andrew's 1985 4Runner(8 inch elocker)
Harrop Elocker Install For Tom's 1997 FZJ80 Front High Pinion 3rd
Cryogenically treated 529 Nitro Gears for Marty's 1996 LX450
Tim Has Terrible Noises After a Local Gear Install
Lisa's 1977 FJ40 Rear 3rd Gets Rebuilt (new bearings and 370 gears)
Harrop E-Locker with 456 Nitro Gear Install in Andrew's 1984 FJ60 Rear 9.5" 3rd
Harrop Electric Locker Install in 8 Inch V6 Rear 3rd 1990 Toyota Pick-up
Tanner's 1996 Landcruiser Nitro 488 gear install and ARB RD142
Kelly's 92 2wd pickup gets G2 456 gears and a 911A644 Flipped TrueTrac
(video)Bill's 1989 2wd Pickup Gets a Spartan from ECGS and New Bearings
Flipping Truetrac Gears and New 4.56 Nitros for a Rear 7.5" Gear Install
8" E-locker from 2005 Tacoma Chunked the Ring Gear
Harrop e-locker for Gilbert's FJ62 9.5" front end
Harrop E-Locker/Cryogenically treated Nitro 488 Gears/Bearings for Eric Y's 1997 FJZ80 3rds
Harrop E-Locker Install for EricW's '94 FZJ80 Front Hi-pinion 8" 3rd
Repair of Mitch's 1997 LX450 front 488 Diff with Nitro Gear
SUPRA LSD 7.5" rebuild for a 1983 V8 Corolla Drift Car
8 Inch Clam Gets 4.56 Nitro Gears(2008 Runner with V8)
Supra 7.5" LSD Rebuild for a 1986 Corolla Project
Clam Regear for Matt's 2004 Tacoma with G2 488
Hawaiian 2005 Sequoia gets new 8.4" Motive 410 gears
Hawaiian 2008 Tundra Front 9" Clam gets 488 Nitro Gears
Harrop E-Locker Install for EricT's 1997 LX450 Rear 9.5" 3rd
Clam Regear plus ARB addition to Joe's 2002 Tacoma with 456 Sierra Gears
Kazuma LSD and 4.56 Nitro Gears for Tyson's 2003 Tundra
488 Nitro Gears in Clark's 1996 FZJ80
Josh gets 571 G2 Gears for his truck
Installing a Supra 8" LSD into a "4 cylinder" 3rd and clearancing it
Kevin's 91 Runner gets an ARB RD132 and new bearings
1993 SAS'd pick-up gets a front Spartan and a much needed check-up
......Bearing rebuild for a 2000 Tacoma 8" e-locker......
......1996 Landcruiser rear 9.5" e-locker gets a much needed check-up......
......Rear and front Sierra boxed 529 gear install for Ben's 1994 FZJ80......
......Josh's 1995 V6 3rd gets new bearings and a Spartan Locker......
UPDATED----NEW G2 571 GEAR INSTALL----Jim's F-Toy gets Motive 571 gear installs
Nitro 529 gear install for the front 8" of Jose's 1996 FZJ80
Jason From The Island of Kauai Gets Nitro 4.88 Gears
Gear Install write-ups from
Broke My Front 529 Gears TWICE On My 1997 LX450!
Joe's Hi-pinion 8" gets a Spartan Locker
Kill Bill's 1985 4Runner gets 488 Standard Gear/Detroit Locker
Pre-assembled V6 3rd has pinion leak and set shallow
Thane's "4 cyl diff" gets 529 V6 Nitros/V6 carrier/V6 Spartan Locker
Old style RD23 gets upgraded and 529 Nitro Gears added (cryogenics)
Help ZUK! 98 4Runner has a loud whine/growling noise
Kazuma LSD for Eric's 2000 Tundra
Bill's 1996 T100 gets a TJM Locker and Nitro 456 gears
Two Hi-Pinion Gear Installs ..... ARB RD23 and 488 Nitro 29 spline gears
Brad's 1972 FJ40 rear 9.5" 3rd gets "newer" 410 gears and bearings/solid collar
Genuine Gears went KABOOM, John upgrades to 29 spline Nitro Gear Install
SUPRA LSD in Mike's 1985 400 hp Toyota truck
Nick's Hi-pinion 8" gets 529 "Circle K" gears
SUPRA LSD installed in a "4 cyl" 3rd using conversion bearings
Two 8.4" 529 differentials...rear one busted...front needs a check-up
529 Nitro Gear Install with a 4 cyl spool
8" Hi-pinion gets 529 Yukon gear install and a Grizzly Locker
Bryan's e-locker gets G2 series 529 "4 cyl" gears
New bearings and solid collar for Josh's 1994 Toyota truck
7.5" Celica Supra 3rd with factory LSD gets a clutch re-build/new bearings/solid collar
LX570 rear 3rd gets ARB RD152
Kazuma and OEM 4.3 gear install in Dylan's 2003 Tundra
488 rear 8.4" gear install for Nam's 2006 Tundra
REAR 9.5" 488 Sierra Gears in an FZJ80 Cruiser
488 Nitro Gear install 1999 Taco E-locker
488 gear install in Sacramento went loose in 20,000 miles
Aaron's 1996 LX450 gets Nitro 529 gears
9.5" 529 Nitro Gear/ARB RD142 for Jay
9.5" ARB RD124 + 456 gear install from Alberta, Canada
488 Yukon Gear Install in a 98 Runner E-Locker
Truetrac Install into a 2002 Tacoma(non-trd)
571 "G2" gears/Truetrac for Billy's 92 V6 auto
RD129 ARB and Motive 529 gear install in a non-trd 3rd(T100)
Destroyed front pinion on a 1996 FZJ80
Genuine "G2" 488 gear install in Kerry's 1994 FZJ80
ZUK! My LC gears whine terrible and I'm in Doha, Qatar
ARB RD01 conversion to RD23 and add 529 Nitro Gears
ARB RD132 for an FJ80 front hi-pinion and TG529 gears
1994 80 series LC gets Nitro 488 gears
Check-up of Scott's 4 cyl 3rd with Aussie
Check up for Scott's V6 3rd with ARB
Check-up of a V6 factory 488 3rd
Check-up for a 1994 IFS front carrier
Elmo gets a Motive 529
1990 4Runner rear V6 3rd gets a check-up after recent gear install
SUPRA LSD into a factory V6 488 3rd
E-LOCKER BROKE on 2002 Taco
1998 Tacoma E-Locker noisy on de-acceleration
Steve's 2006 Tundra gets a TRUETRAC
Truetracs/456 gears in Brian's 1985 4Runner
1998 4Runner E-Locker makes noise on acceleration only
Kazuma goes into Ralph's 2002 Tacoma
FJ60 9.5" gets ARB RD33/new bearings/solid collar
How to install a Lockrite into an 8" V6 3rd
Started getting a whistle and it's getting louder
Brian's 4Runner gets a Motive 571 rear gearset
How to remove the 8" E-Locker motor assembly
1997 LX450 gets ARB RD124 with 529 Nitro Gear
Eric's 1997 FZJ80 Landcruiser upgrades to Precision 488 gears
Michael gets Precision 488s and a 4 cyl Aussie
ARB install in a new IFS front 1999 Land Cruiser (UZJ100)
My 529 Yukon gear teeth shattered on me
My brand new gears are whining
9.5" LC E-Locker gets cryo 529gears/bearings and a solid collar
Replacing noisy pinion bearings in a 1992 8" 3rd
Kazuma install in a Taco/T100 3rd
My 1995 Landcruiser's rear 3rd has a loud whine
Kazuma and Motive 488 in a Taco/T100 3rd
ARB install in a 2001 Tundra "non-TRD" rear 3rd
Landcruiser front 9.5" 3rd gets new 4.11 and Aussie
Canadian rear E-Locker gets cryogenic 488 Motive gears/bearings
Flexor's front 571 3rd gets "upgraded"
POW!!! went the 529 in the Front Hi-pinion ARB 3rd
My rear V6 3rd is getting noisy!
Marlin Crawler 529 high pinion gear install/Detroit Softlocker
My gears scream at me when I let off the gas!?!
1997 FJ80 488 front and rear E-Locker installs
A serious cryo TACO 488/ARB install for Kent
Cryo Motive 488 in an E-Locker
CRYOGENICS...A serious Motive 488 V6 install
Lockrite and Motive 488 in a 4 cyl 3rd
Taco Motive 456 install
Motive 488 in a V6 3rd open
Melted pinion bearing in a V6 3rd with Genuine gear
Cryo treated Yukon 529 install/4 cyl 3rd
488 MOTIVES in a Hawaiian third
Taco 3rd gets Motive 488 gears and ARB
Help! Gears sound like a washing machine on spin cycle
Precision 456/TT in a V6 3rd
Sportsman V6 529 gear install
Taco rear 456 install and a SOLID COLLAR
Aussie and Precision 529 in a 4 cyl 3rd.
Rockhound's own 529 gear repair
Motive 529 gears and a rear Truetrac in a 4 cyl 3rd
Refresh those carrier bearings and double the strength
529 Hi-pinion build with EZ Locker
488 US GEAR V6 install/Lockrite
488 Yukon install into an 85 truck
RD01 ARB install and 529 gears
New improved air bearing for the non-trd Taco ARB's
Making a V6 spool fit in a "4 cyl 3rd"
Richmond V6 488 into Jake's E-Locker
529 rear gears for Eric
EMERGENCY 571 repair
Kyles Yukon 529 pro gear install (cryo'd and heat treated)
Autopsy and Yukon 488 install
Aussie Locker and 529 gears
PRECISION 571 gears front and rear
Hawaiian 488 Yukon install
A good strong 571 8" install
Inspection of a late 90's Taco/Runner front carrier hi-pinion
DSL and 529 Yukons in a 4 cyl 3rd
Quik-Lok check and a refresh
Autopsy on V6 3rd and 488 install
ARB in a 1996 Taco rear
E-Locker gets 529 Cryogenic gears
Basketcase gets 529 gears
ZUK-my Supra 3rd needs a health check!
ARB install in a front 8" 3rd
Rebuilt 3rd gets 488 Yukon gears
IFS 7.5" front gets 529 US GEARS
Dis-assembled E-Locker gets 529 gears
How to install an Aussie by yourself
IFS front gets 529 Yukon gears
Jeff gets 488 Yukons/solid collar
How to freshen up the carrier bearing pre-load
"4 cyl 3rd" gets Yukon 529 and Aussie Locker
Sergio's E-Locker gets Yukon 488 gears
Cryo-treated factory 410 used gear install
Cryo-treated Precision 571 gear install for Flexor
Supra LSD into an open V6 3rd
Aussie install into a re-freshed stock 3rd
E-Locker and "4 cyl" 488 gear install
"Mayday! Mayday! Gears starting to rumble..."
"My new gears HUM after Kittery Point shop installs them"
Zack gets 529 gears and a Detroit "HardLocker"
529 PRECISION gears/Detroit in V6 chunk
488 gear install into an E-Locker
Chunk #1 529 pro-build (open)
Cost cutting 529 install
571 US GEAR install into 8" 3rd
Removing the front IFS 3rd
571 Motive gear install in IFS 7.5"
Bob's 488 early '4 cyl' gear install and Aussie
4 cyl gears in a V6 3rd
Flexor's front 571 US GEAR install
Justin 529 Yukon/spool install
571 US GEAR install
Kyron's spool/529 gear install
Josh's 529 V6 gears in V6 3rd install
Chris's 529 US GEAR install
Sam's Genuine Gear install (UPDATED axle breakage info added 1-29-2007 and Dec 2012)
Colby's 4.88 US GEAR install
Supra LSD in a V6 3rd
Toyota V6 gears/Aussie/4cyl third
Sterling's 5.29 gear install
Shannon's 5.29 gear install
Used gears
Gear patterns 1
Dana60 6.17 gear install
Dana44 410 gear install (Chris)
$75 Dana 44 build-up

Questions? my email is

*******************COIL LINKS to the left below this line***********************************************************
*******************COIL LINKS to the left below this line***********************************************************
*******************COIL LINKS to the left below this line***********************************************************

5"OD x 11" x 125 pound.... no cut/no weld coil option...interesting
14x125 coils for cman1's 89 Runner
Coil mounts with excellent capture
ZUK Coil Mod - 86 4Runner 4.5" lift 14x125 coils
ZUK Coil Mod - 87 Runner 4.5" lift 14x125 coils
ZUK Coil mod - 12" coils gave 3" lift on Runner
Where to get the coils from
ZUK Coil Mod - cut the steel stopper short
Saggy Pick-up 2.75" lift 14x100 coils
Russell's saggy 1986 Runner gets the 12 inch coils
Stephen's once saggy 86 Runner
Mike's 85 saggy Runner gets rear coils
Joe's 87 saggy Runner get the red coils
Good-bye saggy rear end!
kick-ass little portable air compressor!
88 Runner gets dual helper coils
87 Runner gets a coil
1 coil for Engineer Scotty....the last entry forever and ever

Questions? my email is