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Fittings / Air Line

Dial in your air-suspension setup with precision-built fittings and airline hose designed for clean installs and leak-free performance. Serial Killer Customs carries premium air-ride plumbing components from trusted brands like AccuAir, Slam Specialties, Air Lift Performance, and Universal Air. Whether you’re routing lines for a show car, lifted truck, or daily driver, our selection of DOT-approved nylon hose, brass push-to-connect fittings, reducers, elbows, and couplers ensures maximum flow and durability under pressure.

Every connection counts—so we stock the fittings and line sizes you actually need, ready to ship and built to handle serious pressure. Clean, tight, and reliable… just how your air system should be.

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