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The Nitrous Express 4-cylinder stainless steel tubing kit includes four 14-inch and four 16-inch hard lines and ships with 3AN B-nuts to complete the fittings. Intended for direct-port nitrous plumbing on 4-cylinder systems, this kit provides correct-length tubing plus fastening hardware to simplify nozzle and distribution block connections without sourcing separate small parts.
Nitrous Express 4 Cyl Tubing Kit (4 - 14in / 4 - 16in Tubing Incl B-Nuts)
