How much does this cost to the nearest dollar?

Aeromotive 13110 Pro-Series Extreme Flow EFI Fuel Pressure Regulator
The tuners choice for high horsepower EFI applications. The Pro-Series Regulator can support up to 2000 HP. For engines requiring high volume, high pressure fuel delivery the Pro-Series Boost Reference EFI Regulator is a perfect fit for serious power. Adjustable base pressure from 30-75 PSI with the spring installed. Adjustable base pressure from 75-125 PSI with the optional spring included. Ideal for Pro-Series, Brushless 3. 5 and Brushless 5. 0 Electric Pumps using the 30-75 PSI spring. Suitable for 6-GPM mechanical pumps using both the standard and high pressure spring. Auxiliary ports available for nitrous applications, pressure gauges and transducers.

Price is $394.00
Price: $393.52