Gear Sets and Installation Kits

This Chart Shows Standard Street Gears. For Pro Gears,
See Standard & Pro Gear Chart.

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DANA 60 – DIFFERENTIALS MANUFACTURER PART #
3 SERIES 35 SPLINE S-TRAC STRANGE D3523
3 SERIES 35 SPLINE TRUETRACK EATON D3533
5 SERIES 35 SPLINE TRUETRACK EATON D3534
3 SERIES 35 SPLINE DETROIT LOCKER EATON D3535
5 SERIES 35 SPLINE DETROIT LOCKER EATON D3536
3 SERIES TRAC-LOK DANA/SPICER D3537
5 SERIES TRAC-LOK DANA/SPICER D3538

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FORD 8″ – DIFFERENTIALS MANUFACTURER PART #
28 SPLINE HD CONE STYLE AUBURN R542059

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FORD 8.8″ – DIFFERENTIALS MANUFACTURER PART #
28 SPLINE – HD CONE STYLE AUBURN R542080
31 SPLINE – HD CONE STYLE AUBURN R542054

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FORD 9″ – DIFFERENTIALS MANUFACTURER PART #
31 SPLINE FORGED CLUTCH STYLE HOOSIER N1970H
35 SPLINE DETROIT LOCKER EATON N1971
35 SPLINE TRUETRACK EATON N1971T
35 SPLINE TRUETRACK EATON N1972
28 SPLINE CLUTCH STYLE YUKON N1974
31 SPLINE OPEN DIFFERENTIAL CURRIE N1978
31 SPLINE TRUETRACK EATON N1979
35 SPLINE S-TRAC STRANGE N1980
28 SPLINE TRUETRACK EATON N1981
31 SPLINE HD CONE STYLE AUBURN R542036

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GM 7.5″/7.625″- DIFFERENTIALS MANUFACTURER PART #
28 SPLINE – CONE STYLE FOR 3.23 RATIO AND UP AUBURN R542040
26 SPLINE – HD CONE STYLE FOR 3.23 RATIO AND UP AUBURN R542044
28 SPLINE – HD CONE STYLE FOR 3.23 RATIO AND UP AUBURN R542046
26 SPLINE – CONE STYLE FOR 3.23 RATIO AND UP AUBURN R542057

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GM 8.2″ BUICK / OLDS /PONTIAC MANUFACTURER PART #
28 SPLINE HD CLUTCH STYLE EATON R5084BOP
28 SPLINE HD CONE STYLE AUBURN R542060

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GM 8.2″ CHEVY MANUFACTURER PART #
28 SPLINE HD CLUTCH STYLE EATON R5084

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GM 8.5″ MANUFACTURER PART #
28 SPLINE – HD CLUTCH STYLE EATON R5085
28 SPLINE – TRUETRACK EATON R5085T
30 SPLINE – HD CLUTCH STYLE EATON R5083
30 SPLINE – TRUETRACK EATON R5083T
30 SPLINE – CONE STYLE AUBURN R542022
28 SPLINE – HD CONE STYLE AUBURN R542050

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GM 12 BOLT CAR MANUFACTURER PART #
30 SPLINE – HD CLUTCH – 4 SERIES EATON R5086
30 SPLINE – HD CLUTCH – 3 SERIES EATON R5087
30 SPLINE – TRUETRACK – 3 SERIES EATON R5087T
33 SPLINE – TRUETRACK – 3 SERIES EATON R5091T

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MOPAR 8 3/4″ MANUFACTURER PART #
30 SPLINE – TRUE-TRACK EATON D3532T
30 SPLINE – HD CONE STYLE AUBURN R542051

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DANA 36 MANUFACTURER PART #
3.54 RATIO US/STRANGE RS05878354CUS
3.54 RATIO – Thick US/STRANGE RS05878354CXUS

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DANA 44 MANUFACTURER PART #
4.11 RATIO US/STRANGE RS05844411
4.33 RATIO US/STRANGE RS05844433
4.56 RATIO US/STRANGE RS05844456

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DANA 60 MANUFACTURER PART #
3.54 RATIO SPICER D3550
3.54 RATIO RICHMOND RSD60354
3.73 RATIO SPICER D3551
3.73 RATIO RICHMOND RSD60373
4.10 RATIO SPICER D3552
4.10 RATIO RICHMOND (5 Series) D3570
4.30 RATIO HOOSIER RS05897430H
4.56 RATIO SPICER D3553
4.56 RATIO RICHMOND RSD60456
4.88 RATIO RICHMOND RSD60488
5.13 RATIO RICHMOND RSD60513
5.38 RATIO SPICER D3555

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FORD 8″ MANUFACTURER PART #
3.00 RATIO MOTIVE PERFORMANCE RS07880300
3.25 RATIO MOTIVE PERFORMANCE RS07880325
3.40 RATIO MOTIVE PERFORMANCE RS07880340
3.55 RATIO MOTIVE PERFORMANCE RS07880355
3.80 RATIO MOTIVE PERFORMANCE RS07880380
4.11 RATIO MOTIVE PERFORMANCE RS07880411
4.62 RATIO RICHMOND RSF80462

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FORD 8.8″ MANUFACTURER PART #
3.31 RATIO MOTIVE PERFORMANCE RS07888331
3.55 RATIO MOTIVE PERFORMANCE RS07888355
3.55 RATIO US/STRANGE RS07888355US
3.73 RATIO MOTIVE PERFORMANCE RS07888373
3.90 RATIO MOTIVE PERFORMANCE RS07888390
4.10 RATIO MOTIVE PERFORMANCE RS07888410
4.30 RATIO MOTIVE PERFORMANCE RS07888430
4.56 RATIO MOTIVE PERFORMANCE RS07888456
4.88 RATIO MOTIVE PERFORMANCE RS07888488
5.14 RATIO MOTIVE PERFORMANCE RS07888514
5.71 RATIO MOTIVE PERFORMANCE RS07888571

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Super 8.8″ MANUFACTURER PART #
3.55 RATIO RICHMOND GEAR RSFS88355
3.73 RATIO RICHMOND GEAR RSFS88373
3.91 RATIO RICHMOND GEAR RSFS88391
4.09 RATIO RICHMOND GEAR RSFS88409
4.56 RATIO RICHMOND GEAR RSFS88456
4.88 RATIO RICHMOND GEAR RSFS88488

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FORD 9″ MANUFACTURER PART #
3.00 RATIO MOTIVE PERFORMANCE RS07890300
3.00 RATIO US/STRANGE RS07890300US
3.25 RATIO MOTIVE PERFORMANCE RS07890325
3.25 RATIO US/STRANGE RS07890325US
3.25 RATIO RICHMOND GEAR RSF90325
3.40 RATIO US/STRANGE RS07890340US
3.50 RATIO MOTIVE PERFORMANCE RS07890350
3.50 RATIO US/STRANGE RS07890350US
3.70 RATIO MOTIVE PERFORMANCE RS07890370
3.70 RATIO US/STRANGE RS07890370US
3.70 RATIO RICHMOND GEAR RSF90370
3.89 RATIO MOTIVE PERFORMANCE RS07890389
3.89 RATIO US/STRANGE RS07890389US
4.11 RATIO MOTIVE PERFORMANCE RS07890411
4.11 RATIO US/STRANGE RS07890411US
4.11 RATIO RICHMOND GEAR RSF90411
4.30 RATIO MOTIVE PERFORMANCE RS07890430
4.30 RATIO US/STRANGE RS07890430US
4.57 RATIO MOTIVE PERFORMANCE RS07890457
4.57 RATIO US/STRANGE RS07890457US
4.63 RATIO US/STRANGE RS07890463US
4.78 RATIO US/STRANGE RS07890478US
4.86 RATIO MOTIVE PERFORMANCE RS07890486
4.86 RATIO US/STRANGE RS07890486US
5.00 RATIO MOTIVE PERFORMANCE RS07890500
5.14 RATIO MOTIVE PERFORMANCE RS07890514
5.14 RATIO RICHMOND GEAR RSF90514
5.29 RATIO MOTIVE PERFORMANCE RS07890529
5.43 RATIO MOTIVE PERFORMANCE RS07890543
5.43 RATIO US/STRANGE RS07890543US
5.67 RATIO MOTIVE PERFORMANCE RS07890567
5.67 RATIO US/STRANGE RS07890567US
5.83 RATIO MOTIVE PERFORMANCE RS07890583
5.83 RATIO US/STRANGE RS07890583US
6.00 RATIO MOTIVE PERFORMANCE RS07890600
6.20 RATIO MOTIVE PERFORMANCE RS07890620
6.33 RATIO MOTIVE PERFORMANCE RS07890633
6.50 RATIO MOTIVE PERFORMANCE RS07890650

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GM 7.5″ / 7.625″ MANUFACTURER PART #
2.73 RATIO FOR 2 SERIES CARRIER RICHMOND GEAR RSG75273
3.08 RATIO FOR 2 SERIES CARRIER RICHMOND GEAR RSG75308
3.23 RATIO FOR 3 SERIES CARRIER RICHMOND GEAR RSG75323
3.42 RATIO FOR 2 SERIES CARRIER RICHMOND GEAR RSG75342X
3.73 RATIO FOR 3 SERIES CARRIER RICHMOND GEAR RSG75373
4.10 RATIO FOR 3 SERIES CARRIER RICHMOND GEAR RSG75410
4.56 RATIO FOR 3 SERIES CARRIER RICHMOND GEAR RSG75456
4.56 RATIO FOR 2 SERIES CARRIER RICHMOND GEAR RSG75456X

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GM 8.2″ BUICK / OLDS / PONTIAC MANUFACTURER PART #
3.55 RATIO MOTIVE PERFORMANCE RS01882355BOP
3.73 RATIO MOTIVE PERFORMANCE RS01882373BOP
3.90 RATIO MOTIVE PERFORMANCE RS01882390BOP
4.11 RATIO MOTIVE PERFORMANCE RS01882411BOP

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GM 8.2″ CHEVY MANUFACTURER PART #
3.08 RATIO RICHMOND GEAR RSG82308
3.36 RATIO MOTIVE PERFORMANCE RS01882336
3.55 RATIO MOTIVE PERFORMANCE RS01882355
3.73 RATIO MOTIVE PERFORMANCE RS01882373
3.90 RATIO MOTIVE PERFORMANCE RS01882390
4.11 RATIO MOTIVE PERFORMANCE RS01882411
4.56 RATIO MOTIVE PERFORMANCE RS01882456

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Corvette 8.4″ MANUFACTURER PART #
3.08 RATIO RICHMOND GEAR RSG84308C
3.36 RATIO RICHMOND GEAR RSG84336C
3.55 RATIO RICHMOND GEAR RSG84355C
3.70 RATIO RICHMOND GEAR RSG84370C
3.90 RATIO RICHMOND GEAR RSG84390C
4.56 RATIO US/STRANGE RS01884456CX

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GM 8.5″ MANUFACTURER PART #
3.08 RATIO RICHMOND GEAR RSG85308
3.23 RATIO RICHMOND GEAR RSG85323
3.42 RATIO MOTIVE PERFORMANCE RS01885342
3.42 RATIO RICHMOND GEAR RSG85342
3.73 RATIO RICHMOND GEAR RSG85373
3.90 RATIO RICHMOND GEAR RSG85390
4.10 RATIO RICHMOND GEAR RSG85410
4.56 RATIO RICHMOND GEAR RSG85456
4.88 RATIO RICHMOND GEAR RSG85488
5.13 RATIO RICHMOND GEAR RSG85513
5.38 RATIO RICHMOND GEAR RSG85538
5.57 RATIO RICHMOND GEAR RSG85557

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GM 8.6″ MANUFACTURER PART #
3.27 RATIO MOTIVE PERFORMANCE RS01886327
3.45 RATIO MOTIVE PERFORMANCE RS01886345
3.91 RATIO MOTIVE PERFORMANCE RS01886391
4.10 RATIO MOTIVE PERFORMANCE RS01886410

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GM 12 BOLT CAR MANUFACTURER PART #
3.08 RATIO US/STRANGE RS01888308US
3.08 RATIO RICHMOND GEAR RS12B308
3.31 RATIO US/STRANGE RS01888331US
3.42 RATIO US/STRANGE RS01888342US
3.42 RATIO RICHMOND GEAR RS12B342
3.55 RATIO US/STRANGE RS01888355US
3.55 RATIO RICHMOND GEAR RS12B355
3.73 RATIO US/STRANGE RS01888373US
3.73 RATIO RICHMOND GEAR RS12B373
3.73 RATIO – Thin RICHMOND GEAR RS12B373X
3.90 RATIO RICHMOND GEAR RS12B390
3.90 RATIO – Thin RICHMOND GEAR RS12B390X
4.10 RATIO RICHMOND GEAR RS12B410
4.10 RATIO – Thick RICHMOND GEAR RS12B410X
4.11 RATIO US/STRANGE RS01888411US
4.11 RATIO MOTIVE PERFORMANCE RS01888411
4.33 RATIO RICHMOND GEAR RS12B433
4.56 RATIO MOTIVE PERFORMANCE RS01888456
4.56 RATIO US/STRANGE RS01888456US
4.56 RATIO RICHMOND GEAR RS12B456
4.56 RATIO – Thick RICHMOND GEAR RS12B456X
4.88 RATIO US/STRANGE RS01888488US
4.88 RATIO RICHMOND GEAR RS12B488
5.14 RATIO MOTIVE PERFORMANCE RS01888514
5.14 RATIO RICHMOND GEAR RS12B514
5.38 RATIO RICHMOND GEAR RS12B538
5.86 RATIO RICHMOND GEAR RS12B586
6.14 RATIO RICHMOND GEAR RS12B614

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GM 12 BOLT TRUCK MANUFACTURER PART #
3.08 RATIO RICHMOND GEAR RS01888308T
3.42 RATIO RICHMOND GEAR RS01888342T
3.73 RATIO RICHMOND GEAR RS01888373T
3.73 RATIO – Thick RICHMOND GEAR RS01888373TX
4.10 RATIO RICHMOND GEAR RS01888410T
4.10 RATIO – Thick RICHMOND GEAR RS01888410TX
4.56 RATIO RICHMOND GEAR RS01888456T
4.56 RATIO – Thick RICHMOND GEAR RS01888456TX
4.88 RATIO RICHMOND GEAR RS01888488T
5.13 RATIO RICHMOND GEAR RS01888513T
5.38 RATIO RICHMOND GEAR RS01888538T

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1997-2013 Corvette MANUFACTURER PART #
3.42 RATIO MOTIVE PERFORMANCE RS01885342C
3.73 RATIO MOTIVE PERFORMANCE RS01885373C
3.90 RATIO MOTIVE PERFORMANCE RS01885390C
4.10 RATIO MOTIVE PERFORMANCE RS01885410C
4.11 RATIO – Thick MOTIVE PERFORMANCE RS01885411CX

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2014-2019 Corvette MANUFACTURER PART #
3.90 RATIO MOTIVE PERFORMANCE RS01888390C
4.10 RATIO MOTIVE PERFORMANCE RS01888410C

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MOPAR 8 3/4″ 742 Case MANUFACTURER PART #
3.73 RATIO MOTIVE PERFORMANCE RS03887373E
3.91 RATIO MOTIVE PERFORMANCE RS03887391E
4.10 RATIO RICHMOND GEAR RSM410E
4.30 RATIO MOTIVE PERFORMANCE RS03887430E
4.30 RATIO RICHMOND GEAR RSM430E
4.56 RATIO RICHMOND GEAR RSM457E
4.86 RATIO MOTIVE PERFORMANCE RS03887486E
5.13 RATIO RICHMOND GEAR RSM513E

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MOPAR 8 3/4″ 489 Case MANUFACTURER PART #
3.55 RATIO MOTIVE PERFORMANCE RS03887355L
3.73 RATIO MOTIVE PERFORMANCE RS03887373L
3.91 RATIO MOTIVE PERFORMANCE RS03887391L
4.10 RATIO MOTIVE PERFORMANCE RS03887410L
4.56 RATIO US/STRANGE RS03887456LUS
4.56 RATIO MOTIVE PERFORMANCE RS03887456L
4.57 RATIO RICHMOND GEAR RSM457L
4.86 RATIO RICHMOND GEAR RSM486L

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DANA 60 – INSTALL KITS MANUFACTURER PART #
INSTALLATION KIT FOR STRANGE S60 STRANGE/TIMKEN D3512
INSTALLATION KIT FOR OEM DANA 60 STRANGE/TIMKEN D3513

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FORD 8″ – INSTALL KITS MANUFACTURER PART #
COMPLETE INSTALLATION KIT MOTIVE/TIMKEN R5226

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FORD 8.8″ – INSTALL KITS MANUFACTURER PART #
COMPLETE INSTALLATION KIT MOTIVE/TIMKEN R5231

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FORD 9″ – INSTALL KITS MANUFACTURER PART #
COMPLETE KIT USING OEM PINION SUPPORT STRANGE/TIMKEN R5235WR
COMPLETE KIT USING DAYTONA PINION SUPPORT STRANGE/TIMKEN R5236WR

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GM 7.5″/7.625″- INSTALL KITS MANUFACTURER PART #
COMPLETE INSTALLATION KIT MOTIVE/TIMKEN R5218

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GM 8.2″ (BUICK/OLDS/PONTIAC) – INSTALL MANUFACTURER PART #
COMPLETE INSTALLATION KIT – WILL NOT FIT BUICK MOTIVE/TIMKEN R5217OP

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GM 8.2″ (CHEVY) – INSTALL KITS MANUFACTURER PART #
COMPLETE INSTALLATION KIT MOTIVE/TIMKEN R5217
SPECIAL INSTALLATION KIT WITH D1585 MOTIVE/TIMKEN R5217-SP

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GM 8.5″ – INSTALL KITS MANUFACTURER PART #
COMPLETE INSTALLATION KIT MOTIVE/TIMKEN R5205

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GM 9 BOLT 7.75″ – INSTALL KITS MANUFACTURER PART #
COMPLETE INSTALLATION KIT LIBERTY GEAR R5222

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GM 12 BOLT (CAR) – INSTALL KITS MANUFACTURER PART #
COMPLETE INSTALLATION KIT MOTIVE/TIMKEN R5211

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GM 12 BOLT (TRUCK) – INSTALL KITS MANUFACTURER PART #
COMPLETE INSTALLATION KIT MOTIVE/TIMKEN R5211T

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MOPAR 8.75″ (742) – INSTALL KITS MANUFACTURER PART #
COMPLETE INSTALLATION KIT MOTIVE/TIMKEN R5261
SPECIAL COMPLETE INSTALLATION KIT FOR AUBURN MOTIVE/TIMKEN R5261-SP

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MOPAR 8.75″ (489) – INSTALL KITS MANUFACTURER PART #
COMPLETE INSTALLATION KIT MOTIVE/TIMKEN R5266