These modified spindles with deluxe king pins are specifically designed to be Compatible with a 1949-54 Compatible with Chevy car They are made to directly mount on Compatible with Mustang II hubs and rotors plus many other later GMs The kingpin geometry changed to work with current radial tire construction Features modern needle bearing inserts that replace the standard brass bushings Ideal for use on heavier street rods that require superior strength, better lubrication and easier steering Speedway has produced these new forged steel reproduction car spindles. They have many features not available with GMs original design! These spindles are the choice of professional builders because of their clean look, strength and ease of installation. Made to direct mount Compatible with Mustang II hubs and rotors plus many other later GMs. Kingpin geometry changed to work with current radial tire construction. Deluxe kingpins feature modern needle bearing inserts that replace the standard brass bushings. Deluxe kingpins are ideal for use on heavier street rods that require superior strength, better lubrication and easier steering. Spindle nuts NOT included (sold separately) Item DetailsIncludes forged spindles with deluxe kingpin kit.