Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outstanding choice for dedicated off-road and drag racing vehicles only.
        
       USA Standard Steel Spool For Dana 44 w/ 30 Spline Axles / 3.92+ - ZP FSD44-4-30UP
Yukon Gear & Axle
        
            
        
        
        $302.89
    
         
            - SKU:
 - YUKZP FSD44-4-30UP
 - UPC:
 - 883584590156
 - Availability:
 - Regularly stocked product
 - Shipping:
 - Calculated at Checkout