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The Nitrous Express purge system includes a Lightning purge solenoid, 4AN manifold, push button and vent tube to purge air from nitrous feed lines. Removing air from the lines allows firmer, more consistent launches and can improve 60-foot times; Nitrous Express notes it may trim up to two‑tenths from quarter‑mile ETs. The kit offers a clean, direct purge installation for racers using nitrous setups.
Nitrous Express Extreme Nitrous Purge Valve (4AN Manifold Push Button and Vent Tube)
