GM 8.5 10-Bolt Ring And Pinion Install Kit – 4.10 Ratio With New Posi – National Drivetrain

Rebuilding a GM 8.5-inch 10-bolt rear?

This kit from National Drivetrain has everything: ring and pinion (4.10 ratio), bearing install kit, and a new posi unit.

All brand new, ready to install.

Manufacturer part number GM85410 R10REMK 201030-MG.

UPC 842234104150.

Whether you're building for traction or just refreshing an old axle, this kit delivers.

4.10 gears give you that extra punch off the line.

National Drivetrain knows their stuff, and warranty's included.

Don't piece together parts—get the whole kit and go.

Hit the track or the street with confidence.