55-57 Chevy Roller Bearing Conversion Kit.
These hubs replace the original ball bearing hubs with a more updated roller bearings, the roller bearings have more lateral strength than the original ball bearings. This change over kit has brand new hubs, studs, inner and outer bearings, grease seals, spindle washers and grease caps. This hub kit cost less than replacing just the four original ball bearings. Fits all 55-57 Chevy models.