No matter where you are—local or long-distance—our expert plumbing technician Alex brings over 30 years of experience to every custom part he creates. Our San Diego customers know that professional automotive plumbing prevents leaks, protects components, and keeps performance consistent. Our San Diego customers know that professional automotive plumbing prevents leaks, protects components, and keeps performance consistent.

From fuel lines to coolant systems, Alex will work closely with you to craft exactly what your car build needs, with precision, performance, and reliability in mind. For those interested in the technical specifications behind AN plumbing, you can review the official SAE AN plumbing standards here.

Every plumbing system we build or recommend is designed with performance, safety, and longevity in mind. Whether you're replacing an aging factory hard line or assembling a full custom fuel system for a boosted setup, our technicians follow the same proven process: identify the right materials, measure precisely, route cleanly, and test thoroughly. Many San Diego drivers bring their vehicles to JBA specifically because they’ve experienced the difference a professionally plumbed system makes—cooler temps, better reliability, and zero leaks.