Durasolid mini Spool for GM 12 bolts , 30 splines.
- Fits GM 12 bolt passenger car and truck
- Provides 100% traction to both wheels at all times
- Installs into standard open carrier case
- Made out of high quality alloy steel for great strength and long life.
Mini Spools are complete spider gear replacement that fits inside standard open carrier & lock both axles for full time increased traction.
Delivery time 5-7 business days