Nitrous Express 4150 Covert Crossbar Plate System Stage 6 (50–300 HP) with a 5lb bottle is a crossbar nitrous plate designed for 4150 flange manifolds. It includes dual gauge ports, a 5/8" siphon tube, a large .325" orifice and an improved flow path for better atomization. The system ships with billet fittings, braided solenoid-to-plate lines, custom brackets, switches, and jetting for 50–300 HP.
Nitrous Express 4150 Covert Crossbar Plate System Stage 6 50-300HP (5lb Bottle)