? Universal adapter set connects fuel pressure testers and injection cleaner canisters to virtually any vehicle. ? 21pc. Kit fits over 90% of domestic and foreign vehicles. ? 6? extension hose allows pressure gauage to be red inside vehicle during drivability testing. ? Specially designed inline T-Connector makes it simple to connect and troubleshoot fuel pressure problems. ? Save hundreds on adapter lines. ? Most user friendly adapter set on the market.