5M1230 - Mini-Spool 12 Bolt GM- 30 Spline

  • 5M1230 - Mini-Spool 12 Bolt GM- 30 Spline


SAME DAY SHIPPING (if ordered before 2pm EST)


Moser Engineering carries high performance, heat-treated mini-spools. Mini-spools take the place of the stock-type side gears in OEM type (non-limited slip) differentials only!

No modifications required. Not recommended for high horsepower applications.

For applications where a stock or aftermarket differential does not provide enough locking power and a full spool cannot be used.

Application: GM 12 Bolt
Ring Gear Diameter: 8.875"
Side Gear Spline: 30 Teeth

C-Clip Eliminators are not required to use this product. Moser Engineering strongly recommends some type of axle retention other than C-Clip Axles for racing purposes.