Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededEXCELPART NUMBER: 857-GM85308
Differential Ring and Pinion for 1970-1972 Buick Skylark
$16831
Ships on 09/14/2026
Lowest Price GuaranteeDifferential Ring and Pinion1970-1972 Buick Skylark 3.08 Gear Ratio with 40-Tooth Ring Gear 8620 Steel Ring and Pinion Construction 30-Spline Pinion Shaft, 1.626 in. Diameter
This differential ring and pinion is manufactured to OEM specifications for 1970-1972 Buick Skylark and other listed applications, restoring correct drivetrain fit and function.
Technical Specifications:
- 1970-1972 Buick Skylark
- 3.08 Gear Ratio with 40-Tooth Ring Gear
- 8620 Steel Ring and Pinion Construction
- 30-Spline Pinion Shaft, 1.626 in. Diameter
BrandEXCEL
Package Height6.0
Package Width12.0
Package Length14.0
Weight16.66 PG
Vendor Part NumberGM85308
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![3-Ton Aluminum Floor Jack [6,000 lbs. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80077.jpg)
JEGS
3-Ton Aluminum Floor Jack [6,000 lbs. Capacity]
Part Number : 555-80077
$24999$285.99
You Save$36.00
![Breaker Bar [1/2 in. Drive, 30 in. L]](https://www.jegs.com/images/mini_200/500/555/555-w32126.jpg)
JEGS
1/2 in. Drive Digital Torque Wrench for Fastener Tightening and Disassembly Torque Detection
Part Number : 555-81694
$17599
![Deep Well Impact Socket Set, 1/2 in. Drive [Metric 11-Piece]](https://www.jegs.com/images/mini_200/500/555/555-m591db.jpg)
JEGS
Deep Well Impact Socket Set, 1/2 in. Drive [Metric 11-Piece]
Part Number : 555-M591DB
$4499$49.99
You Save$5.00
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Heavy-Duty Nitrile Gloves [7 mils Thick, Large]](https://www.jegs.com/images/mini_200/500/555/555-1124.jpg)
JEGS
Part Number : 555-80077
$24999$285.99
You Save$36.00
Some parts are not legal for use in California or other states with similar laws / regulations
