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The Pro Power conventional nitrous kit for 4150 4‑bbl gasoline engines delivers selectable 100–500 HP and ships with a 10 lb bottle. Phase 3 spraybarless plates provide improved fuel and nitrous distribution with superior atomization and no vulnerable spray bars. Systems arrive complete with Lightning solenoids, a heavy‑duty 40 amp relay, stainless bottle brackets and an extra‑long supply line. Alcohol‑compatible options are available where indicated.
Nitrous Express 4150 4-BBL/Gasoline Nitrous Kit (100-500HP) w/10lb Bottle
