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The Pro Power conventional nitrous kit for 4150 4‑bbl gasoline engines delivers 100–500 HP and comes with a 15 lb bottle, Phase 3 spraybarless plates and hardware aimed at mid‑level sportsman racers. The plate design improves distribution and atomization while eliminating spray bars that can sag or restrict airflow. Standard kit components include Lightning solenoids, a heavy‑duty 40 amp relay, stainless bottle brackets and an extra‑long supply line; alcohol options exist where noted.
Nitrous Express 4150 4-BBL/Gasoline Nitrous Kit (100-500HP) w/15lb Bottle
