
Key Features & Specs:
Fitment:
The Yukon Gear & Axle YP FSD44-4-30UP steel spool is built for Chrysler Dana Spicer 44 differentials with 30 spline axles and 3.92 and up gear ratios. Designed for high-strength performance use, this spool delivers 100% traction to both wheels at all times, making it an ideal choice for racing, off-road, and dedicated competition builds where maximum traction matters. Manufactured from high-quality materials for durability and long service life, it is a dependable differential upgrade for demanding applications. This spool is not recommended for street driven vehicles.