Brand: Motive Gear
K30 79-87 D60XF/GM10.5R 5.13X
UPC: 00698231099209
App/Model: Dana 60 Standard|GM 10.5
Cover Bolt Quantity: 10 Front (D60-513X)|14 Rear (GM10.5-513X)
Differential Carrier Break: 4.10 Ratio and Lower
Differential Model: Dana 60 Standard|GM 10.5
Gear Ratio: 5.13
Pinion Gear Tooth Quantity: 8
Pinion Shaft Diameter: 1.626 Front (D60-513X)|1.75 Rear (GM10.5-513X) Inch
Pinion Spline Count: 29 Front (D60-513X)|30 Rear (GM10.5-513X)
Prop 65 Yes/No: No
Ring Gear Bolt Quantity: 12
Ring Gear Material: 8620 Steel
Ring Gear Outside Diameter: 9.75 Front (D60-513X)|10.5 Rear (GM10.5-513X) 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: 5.13
For Dana 60 and GM 10.5″ – Ring and Pinions Including Timken Bearing Kits; 5.13 Ratio; Thick Rear Ring Gear; Requires 4.10 and Lower Front Carrier; Requires 4.10 and Lower Rear Carrier

Installation Instructions
Installation Instructions
Installation Instructions
Installation Instructions
Installation Instructions
Installation Instructions

Warranty Period: 1 Year or 50,000 Miles

Replaces:

• Revolution Gear & Axle: REV-GM14T/D60-513T-K
• Yukon Gear and Axle: YGK023

Applications:

• 1977-1986 Chevrolet K30
• 1987-1987 Chevrolet V30
• 1977-1978 GMC K35
• 1979-1986 GMC K3500
• 1987-1987 GMC V3500