USA Standard Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools are recommended for vehicles with large tires or high horsepower.
Features & Benefits:
Fits GM 12 bolt truck with 30 spline axles
3.73 and up ratio only
Provides 100% traction to both wheels at all times
If you are having trouble choosing the correct USA Standard Gear part, or experiencing issues during or after installation of this part, USA Standard Gear's technicians are available to help answer your questions.
Phone: 1-866-748-0902 (M-F 6am-4pm PST)
Attention California Customers - Not Applicable
OEM / Interchange Numbers: YPFSGM12T430
USA STANDARD GEAR Warranty Information:12 MonthsWarranty Details
Additional Resources
USA Standard Gear Technical Support