Product Overview
49-0278-1 Richmond Gear GM Ring & Pinion Gear Set Ratio: 3.42
GM 8.5"
TEETH = 41-12
RATIO = 3.42
- Fits 2.73 and Higher Carrier
- Pinion Diameter: 1.626"
- 30 Spline
- 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
12
Pinion Spline Count
30
Ring Gear Bolt Quantity
10
Ring Gear Diameter
8.5
Ring Gear Material
8620 Steel
Ring Gear Tooth Quantity
41
Ring Gear Rotation
Standard
Pinion Shaft Diameter
1.626 in (41.3 mm)
Ring Gear Bolts
10
Pinion Gear Teeth
12
Ring Gear Teeth
41
Ring and Pinion Ratio
3.42:1
Differential Carrier Break
2.76 and Higher
Cover Bolts
10
Carrier Series
3
Manufacturer's Part Number:
49-0278-1
