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The Nitrous Express Gemini Stage 6 plate system for 4150 flange carburetors is a single‑stage direct‑port solution engineered for consistent nitrous‑fuel distribution and improved atomization. This Stage 6 kit includes jetting for 50–300 hp, a 10 lb bottle, Lightning solenoids, a heavy‑duty 40A relay, stainless bottle brackets and an extra 4AN supply line for a complete installation without spray bars.
Nitrous Express 4150 Gemini Twin Custom Stage 6 Spraybar System (50-300HP) w/o Bottle
