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The Pro Power 4150 four‑barrel gasoline nitrous kit for 100–500 HP applications ships with a 5 lb bottle and offers Phase 3 spraybarless plates for better distribution and atomization without spray bars to sag or restrict airflow. The mid‑level kit targets budget‑minded racers and includes Lightning solenoids, a heavy‑duty 40 amp relay, stainless bottle brackets and an extra‑long supply line, and is offered in alcohol‑ready variants.
Nitrous Express 4150 4-BBL/Gasoline Nitrous Kit (100-500HP) w/5lb Bottle
