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Motive Gear Master Ring and Pinion Installation Kits R12CRMK Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit

Motive Gear Master Ring and Pinion Installation Kits R12CRMK Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit

A$423.56
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

Motive Gear master ring and pinion installation kits include everything that's in their regular differential kit—plus pinion shims, carrier shims, and ring gear bolts (where applicable). You also have the option of upgrading to higher quality bearings by adding "T" to the end of the part number on some models. Make a better choice for your ring and pinion installation with Motive Gear differential master bearing kits. Order the model designed for your vehicle application.

Part Type

GM 12 Bolt Bearing Kit

Data: v4.2 - Upd: 2026-10-10 00:51:41

Specifications

Product Attributes - Brand
Motive Gear
Product Attributes - Manufacturer's Part Number
R12CRMK
Product Attributes - Part Type
Ring and Pinion Gear Installation Kits
Product Attributes - Product Line
Motive Gear Master Ring and Pinion Installation Kits
Product Attributes - UPC
698231034385
Product Attributes - Differential Case Design Type
GM 8.875 in. (12-bolt), passenger car
Product Attributes - Cover Bolts
12
Product Attributes - Ring Gear Bolts
12
Product Attributes - Pinion Spline Count
30
Product Attributes - Ring Gear Rotation
Standard
Product Attributes - Cover Gasket Included
Yes
Product Attributes - Pinion Shims Included
Yes
Product Attributes - Carrier Shims Included
Yes
Product Attributes - Crush Sleeve Included
Yes
Product Attributes - Pinion Seal Included
Yes
Product Attributes - Pinion Nut Included
Yes
Product Attributes - Ring Gear Bolts Included
Yes
Product Attributes - Head Bearing Included
Yes
Product Attributes - Tail Bearing Included
Yes
Product Attributes - Carrier Bearings Included
Yes
Product Attributes - Axle Seals Included
No
Product Attributes - Axle Bearings Included
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Kit includes Koyo bearings.

Reference Information

Brand Name/s Motive Gear
StreetFX SKU mgrR12CRMK
SFX Item ID 4796400
Supplier Item Code 4796400
Manufacturer SKU R12CRMK
Manufacturer UPC 698231034385
Alternative References MOTR12CRMK, 12-bolt, 30-spline

Compatibility

Application Data
  • MakeBUICK
    ModelCENTURION
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Axle LocationRear
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1968
    Ending Year1969
    Axle LocationRear
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1970
    Ending Year1972
    Axle LocationRear
  • MakeBUICK
    ModelELECTRA
    Submodel225 CUSTOM
    Beginning Year1968
    Ending Year1969
    Axle LocationRear
  • MakeBUICK
    ModelELECTRA
    Submodel225 CUSTOM
    Beginning Year1970
    Ending Year1972
    Axle LocationRear
  • MakeBUICK
    ModelELECTRA
    SubmodelBASE
    Beginning Year1965
    Ending Year1966
    Axle LocationRear
  • MakeBUICK
    ModelELECTRA
    SubmodelBASE
    Beginning Year1965
    Ending Year1966
    Axle LocationRear
  • MakeBUICK
    ModelELECTRA
    SubmodelBASE
    Beginning Year1967
    Ending Year1967
    Axle LocationRear
  • MakeBUICK
    ModelELECTRA
    SubmodelCUSTOM
    Beginning Year1966
    Ending Year1966
    Axle LocationRear
  • MakeBUICK
    ModelELECTRA
    SubmodelCUSTOM
    Beginning Year1966
    Ending Year1966
    Axle LocationRear
  • MakeBUICK
    ModelELECTRA
    SubmodelCUSTOM
    Beginning Year1967
    Ending Year1967
    Axle LocationRear
  • MakeBUICK
    ModelESTATE WAGON
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Axle LocationRear
  • MakeBUICK
    ModelGRAN SPORT
    SubmodelBASE
    Beginning Year1965
    Ending Year1966
    Axle LocationRear
  • MakeBUICK
    ModelGRAN SPORT
    SubmodelBASE
    Beginning Year1967
    Ending Year1967
    Axle LocationRear
  • MakeBUICK
    ModelGRAN SPORT
    SubmodelBASE
    Beginning Year1967
    Ending Year1967
    Axle LocationRear
  • MakeBUICK
    ModelGS 350
    SubmodelBASE
    Beginning Year1968
    Ending Year1969
    Axle LocationRear
  • MakeBUICK
    ModelGS 400
    SubmodelBASE
    Beginning Year1968
    Ending Year1969
    Axle LocationRear
  • MakeBUICK
    ModelGS 455
    SubmodelBASE
    Beginning Year1970
    Ending Year1972
    Axle LocationRear
  • MakeBUICK
    ModelGS 455
    SubmodelGSX
    Beginning Year1970
    Ending Year1970
    Axle LocationRear
  • MakeBUICK
    ModelGS
    SubmodelBASE
    Beginning Year1970
    Ending Year1972
    Axle LocationRear
  • MakeBUICK
    ModelLESABRE
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Axle LocationRear
  • MakeBUICK
    ModelLESABRE
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Axle LocationRear
  • MakeBUICK
    ModelLESABRE
    SubmodelCUSTOM
    Beginning Year1971
    Ending Year1972
    Axle LocationRear
  • MakeBUICK
    ModelLESABRE
    SubmodelCUSTOM
    Beginning Year1971
    Ending Year1972
    Axle LocationRear
  • MakeBUICK
    ModelSKYLARK
    Submodel350
    Beginning Year1972
    Ending Year1972
    Axle LocationRear

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