Front Brake Upgrade Kit 510 1968-73 Sedan and Wagon Stage 1New Stage 1 complete front brake upgrade kit for 1968 73 Datsun 510 sedan and wagon. We put this kit together because of the fact that there are virtually no parts available to service the stock front brakes anymore. This kit was put together with the idea of being cost effective and an upgrade from stock, but still able to fit 14" wheels (and some 13"). This kit will bolt up to stock 510 struts with no modifications required. A more modern caliper