Here is a complete front brake self adjusting hardware kit for your 1955-57 Chevy car. With the self adjusting kit your brakes stay nice and tight all of the time, you will never need to adjust them every 3000 miles, like you use to. If you're rebuilding your brakes, this complete kit contain the hardware you need to do the job right. Kits includes hold-down springs, adjusters, return springs, self adjusting brackets and all the related hardware to get the brakes working correctly. This is a kit you will be very happy with.