GM 8.4" 3.73 Lightning Series
Description:
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US Gear Superfinished Ring and Pinion | GM 8.4" - 1963-1979 Corvette | 3.73 Ratio
THE US GEAR GM 8.4" BEVEL SETS ARE USED ON THE 1963-1979 CORVETTE MODELS.
Specifications
| Material | 8620 - Standard OE Material |
| Ring Gear Diameter | 8.32" |
| Ring Gear Bolts | 10 - 3/8" -24 RH |
| Cover Bolts | 10 |
| Pinion Shaft Diameter | 1.626" |
| Spline | 30 |
| Ratio | 3.73 |
| Tooth Count | 11-41 |
Lightning Series Key Features
- Eliminates Break-in
- Reduces Contact and Bending Fatigue
- Reduces Friction and Wear
- Increases Part Durability
- Improves Pitting Resistance
- Improves Corrosion Resistance
- Reduces Vibration and Noise
- Reduces Lubrication Requirements and Cost
- Extends Component Life
- Reduces Part Failures
- Improves Oil Retention Properties
- Minimizes Overheating
