High Performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Performance spools come with a one year warranty against manufacturing defects.

Application: 1973-newer GM 10.5" Chevy 14 bolt rearends (with full float bolt in axles only)

Compatible gear ratio: 3.42-4.10 (also fits aftermarket "thick" gears)

Spline: 30