Superior Ring and Pinion F88488 is engineered to exacting specifications to fit Ford 8.8 inch axle assemblies. This premium gear set is precision machined to provide a 4.88 gear ratio. (38X8)

Superior Ring and Pinion sets are manufactured from premium 8620 steel. Computer controlled machining is performed by both Gleason and Phoenix gear cutting machines. Precise heat-treating, honing and lapping is performed to provide ideal contact patterns for smoother,quieter and cooler operation with easier set up.

Superior's F88488 gear set features a two year warranty against manufacturing defects.