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Motive Gear Basic Ring and Pinion Installation Kits R12CRT Kit, Basic, GM 8.875 in. 12-Bolt, Rear, Kit

Motive Gear Basic Ring and Pinion Installation Kits R12CRT Kit, Basic, GM 8.875 in. 12-Bolt, Rear, Kit

A$442.79
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Motive Gear ring and pinion gear installation kits include high-quality components to complete your project. Depending on the axle application, the kits can include: a cover gasket, pinion shims, carrier shims, crush sleeve, pinion seal and nut, and ring gear bolts. Some kits also come with marking compound and a brush. To ensure proper fitment, order the installation kit designed for your specific axle model.

Part Type

Ring and Pinion Gear Installation Kits

Data: v4.2 - Upd: 2026-10-14 11:10:36

Specifications

Product Attributes - Brand
Motive Gear
Product Attributes - Manufacturer's Part Number
R12CRT
Product Attributes - Part Type
Ring and Pinion Gear Installation Kits
Product Attributes - Product Line
Motive Gear Basic Ring and Pinion Gear Installation Kits
Product Attributes - UPC
698231359525
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
No
Product Attributes - Carrier Shims Included
No
Product Attributes - Crush Sleeve Included
Yes
Product Attributes - Pinion Seal Included
Yes
Product Attributes - Pinion Nut Included
Yes
Product Attributes - Ring Gear Bolts Included
No
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 - Special Attention
Due to a manufacturer shortage, Timken bearings may not be available for your current selection. Motive Gear is working to include equal or better quality bearings.

Reference Information

Brand Name/s Motive Gear
StreetFX SKU mgrR12CRT
SFX Item ID 4796776
Supplier Item Code 4796776
Manufacturer SKU R12CRT
Manufacturer UPC 698231359525
Alternative References MOTR12CRT, 12-Bolt

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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