Badass Slick Beefed Out Eight Point Five Inch Ten Bolt Ring And Pinion Gears With Three Point Four Two Ratio Master Bearing Kit For Quick Wrenchin And Street Cruisin Upgrades

GM 8.5 Inch 10 Bolt Ring And Pinion Gears With 3.42 Ratio Kit
✔️ 8620 steel ring and pinion ship with full master bearing kit

This single complete replacement set pairs directly with a matching master bearing kit to upgrade your factory rear axle. You get every seal shim and nut required for a clean swap on GM tenbolt differentials. The ready-to-install bundle saves you garage time and keeps your rig dialed in for everyday street cruising.

✅ Heat treated 8620 material builds durable teeth for heavy torque loads
✅ Three point four two ratio improves acceleration without ruining highway cruising
✅ Master bearing kit covers carrier races pinion seals shims and lock thread
✅ Fitted for standard tenbolt differentials ready for quick wrench upgrades

💡 Why do independent shops recommend complete master bearing kits for gm 10 bolt differential rebuilds?
Fresh hardware resets worn spindle geometry instantly for smoother operation.
- Upgraded race contact patterns lower operating temperatures under stress.
- Stock fitment setups stay handy for backyard builders swapping tenbolt housings.
- Precision matched tooth profiles restore factory noise levels immediately.

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