Hi-Flo Pro Race Solenoid

The Hi-Flo Pro Race Solenoid by Nitrous Oxide Systems is the high-flow control valve engineered for serious nitrous oxide systems in drag racing, street performance, and road course applications. This solenoid serves as the critical electronic gate that regulates nitrous flow into your engine's intake manifold, making it essential for any tuner or racer seeking precision and reliability during high-boost scenarios. Whether you're running a dedicated bracket racing setup or a street car with occasional strip duty, the Hi-Flo Pro delivers the response time and durability professional teams demand.

Nitrous Oxide Systems engineered the Hi-Flo Pro Race Solenoid to minimize flow restriction and maximize response consistency across repeated activation cycles. The solenoid's high-flow design reduces pressure drop compared to standard units, allowing more efficient nitrous delivery and faster system actuation—critical factors when fractional millisecond timing determines the difference between a winning pass and a failed attempt. The robust internal construction and precision-machined passages ensure repeatable performance lap after lap, while the compact form factor (3.05 x 2.25 x 5.75 inches, weighing 1.09 lbs) integrates cleanly into engine bays with space constraints typical of race-prepared vehicles.

Bracket racers, road-course competitors, and forced-induction tuners benefit most from the Hi-Flo Pro Race Solenoid's reliability and precision. Installation requires integration with your existing nitrous system's fuel rail, manifold, and electrical harness—proper tuning of bottle pressure, solenoid duty cycle, and engine fuel mapping is essential to prevent detonation and maximize power gains. This solenoid pairs seamlessly with Nitrous Oxide Systems kits and aftermarket setups using standard 1/8" NPT porting. Before installation, consult your system's tuning software and verify solenoid compatibility with your nitrous fuel ratio and engine's ignition timing strategy to ensure safe, repeatable performance.