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Motive Gear Master Ring and Pinion Installation Kits R12RMK Kit, Kit, GM, 8.875 in., 30-Spline Pinion, Truck, Kit

Motive Gear Master Ring and Pinion Installation Kits R12RMK Kit, Kit, GM, 8.875 in., 30-Spline Pinion, Truck, Kit

A$426.00
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

Ring and Pinion Gear Installation Kits

Data: v4.2 - Upd: 2026-10-21 14:09:02

Specifications

Product Attributes - Brand
Motive Gear
Product Attributes - Manufacturer's Part Number
R12RMK
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
698231034446
Product Attributes - Differential Case Design Type
GM 8.875 in. (12-bolt), truck
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
Fits 1963-82 12-bolt truck. Kit includes Koyo bearings.

Reference Information

Brand Name/s Motive Gear
StreetFX SKU mgrR12RMK
SFX Item ID 4799087
Supplier Item Code 4799087
Manufacturer SKU R12RMK
Manufacturer UPC 698231034446
Alternative References MOTR12RMK, 30-Spline

Compatibility

Application Data
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1969
    Ending Year1973
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1969
    Ending Year1973
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1969
    Ending Year1974
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1969
    Ending Year1974
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1969
    Ending Year1974
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1969
    Ending Year1974
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1969
    Ending Year1974
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1969
    Ending Year1974
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1972
    Ending Year1974
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1972
    Ending Year1974
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1973
    Ending Year1973
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1973
    Ending Year1973
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1973
    Ending Year1973
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1973
    Ending Year1973
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Axle LocationRear
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Axle LocationRear
  • MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    Axle LocationRear
  • MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    Axle LocationRear
  • MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    Axle LocationRear
  • MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    Axle LocationRear
  • MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    Axle LocationRear
  • MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    Axle LocationRear
  • MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    Axle LocationRear
  • MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    Axle LocationRear
  • MakeCHEVROLET
    ModelC10
    SubmodelBIG TEN
    Beginning Year1978
    Ending Year1980
    Axle LocationRear

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