MGK-206 Ratio For ()
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K10/20 77-82 GM8.5F/12BT 3.73
UPC: 00698231098431
App/Model: GM 8.5|GM 8.875 Truck
Cover Bolt Quantity: 10 Front (GM10-373)|12 Rear (GM12-373)
Differential Carrier Break: 2.73 Ratio and Higher Front (GM10-373)|3.73 Ratio and Higher Rear (GM12-373)
Differential Model: GM 8.5|GM 8.875 Truck
Gear Ratio: 3.73
Pinion Gear Tooth Quantity: 11
Pinion Shaft Diameter: 1.626 Front (GM10-373)|1.438 Rear (GM12-373) Inch
Pinion Spline Count: 30
Prop 65 Yes/No: No
Ring Gear Bolt Quantity: 10 Front (GM10-373)|12 Rear (GM12-373)
Ring Gear Material: 8620 Steel
Ring Gear Outside Diameter: 8.5 Front (GM10-373)|8.875 Rear (GM12-373) Inch
Ring Gear Rotation: Standard
Ring Gear Tooth Quantity: 41
Taxonomy A: LD Differential
Taxonomy B: Ring and Pinion Gear Packages
Taxonomy C: Front and Rear
Taxonomy D: 3.73
For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits; 3.73 Ratio; Requires 2.73 and Higher Front Carrier; Requires 3.73 and Higher Rear Carrier
Installation Instructions
Installation Instructions
Installation Instructions
Installation Instructions
Installation Instructions
Installation Instructions
Warranty Period: 1 Year or 50,000 Miles
Applications:
- 1977-1981 Chevrolet K10
- 1977-1982 Chevrolet K10 Suburban
- 1977-1981 Chevrolet K20
- 1977-1981 Chevrolet K20 Suburban
- 1977-1981 Chevrolet K5 Blazer
- 1977-1978 GMC K15 Suburban
- 1979-1982 GMC K1500
- 1979-1982 GMC K1500 Suburban
MGK-206 Cross Reference
Returns Policy
A " Return Authorization Number " must be obtained before returning a product. Any returns without the Return Authorization Number will NOT be processed. Fleetsworld.com will not be responsible for unauthorized returns. Please send your return request to support@fleetsworld.com. You will receive an authorization number along with the return instructions via email.
Return Information
* Items must be returned within 30 days of the original invoice date.
* A 18 % restocking fee applies to all returned products.
* All parts must be in new condition and perfect condition and contain all components.
* Returns will not be accepted if the part was installed, modified , misused or in unsalable condition.
* The items must be in the original packaging.
* Some items are special orders and therefore are non-returnable.
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* All sales are final after 30 days.
* Unacceptable returns will be sent back to the customer on request at the customer's expense.
Returns Instruction
* Contact our support department at support@fleetsworld.com.
* Our support department will contact you by e-mail or phone within 24-72 hours (excluding weekends).
* Our support department will issue a return authorization number and provide further instructions to complete the return.