Product Overview
4900191 Richmond Gear GM Ring & Pinion Gear Set Ratio: 3.23
GM Ring & Pinion Gear Set
- Ratio: 3.23
- Teeth: 42-13
GM 8.5"
- Fits 2.73 and Higher Carrier
- Pinion Diameter: 1.626"
- 30 Spline
- Front: Use Installation Kit #836-83-1020-1
- Rear: Use Installation Kit #836-83-1021-1
- 1973-87 Truck: Use Installation Kit #836-83-1021-M or #836-83-1021-TE
- Does not work with pinion-mounted ABS sensor in 1990-96 Impala/Impala SS/Caprice
- When replacing a stock 2.56 or lower ratio, the carrier must be replaced with a 2.73 or higher carrier
Specifications:
Axle Type
GM 8.5 in.
Cover Bolt Quantity
10
Pinion Gear Tooth Quantity
13
Pinion Spline Count
30
Ring Gear Bolt Quantity
10
Ring Gear Diameter
8.5
Ring Gear Material
8620 Steel
Ring Gear Tooth Quantity
42
Ring Gear Rotation
Standard
Pinion Shaft Diameter
1.626 in (41.3 mm)
Quantity
Sold as a set
Ring Gear Bolts
10
Pinion Gear Teeth
13
Ring Gear Teeth
42
Installation Kit Included
No
Ring and Pinion Ratio
3.23:1
Differential Carrier Break
2.76 and Higher
Cover Bolts
10
Carrier Series
3
Manufacturer's Part Number:
49-0019-1
Shipping Weight:
17.71
Package Height:
15.2
Package Depth:
5.3
Package Width:
11.2
