Superior Axle PA5770-33 premium axle shaft is designed to fit GM Muscle cars with the 8.875 inch axle assembly (12 Bolt). This premium shaft has upgraded 33 splines and will fir 1965 - 1967 Chevelle, 1967 - 1969 Camaro, and 1968 - 1972 Chevy II. 

Superior's performance rear axle shafts are designed with the serious competitor in mind. They feature rolled splines for longer life and proprietary heat treating. Superior axles are competition tough and will stand up to the punishment of today's performance vehicles. Evolution rear axle shafts come with Superior's standard lifetime warranty.