Winters 31 Spline Alumimum Spool – 2.031″ Bearing Diameter – 5.75 lbs.

Genuine Winters Replacement Parts for Sprint Center Quick Change Rear Ends (Diagram #4).

For more than 60 years, Winters Performance Products has been producing high-performance rear ends and driveline components for racing and street use. Their product offering includes everything from quick-change gear sets to shifter assemblies, as well as many components specifically for the sprint car market. Winters Performance is undeniably the most reliable, technically advanced, and experienced manufacturer of Quick Change Rear Ends in the world. Winters Performance Products provides quick change rear ends, differentials, axles and more.

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