Description
A properly matched ring and pinion is fundamental to rear differential performance—it directly affects your power delivery, fuel efficiency, and drivetrain longevity. The Allstar Performance 3.08 ratio is engineered for GM 8.5 differentials and delivers the balance between acceleration and highway cruising that serious builders demand. This kit arrives complete and ready for installation, so you’re not hunting down individual components.
- 3.08 gear ratio
- GM 8.5 inch differential
- 30-spline pinion
- 10-bolt housing
- Complete ring & pinion kit
- Precision-cut gears
- Professional-grade durability
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