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Ships Between 7/20 - 7/24
- What Do You Drive?
- Style:3.90 ratio
- Part #:YG GMBOP-390
- 3.90 gear ratio
- For rear differential
- This gear set uses 3/8 in. bolts
- Some factory gears use 7/16 in. bolts
- If your factory case uses 7/16" bolts you will need to purchase YSPBLT-027 spacers
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