Built with stock 12mm pumps capable of 470cc fuel delivery. Higher RPM setting available up to 5000 RPM.. Higher timing adjustments are made upon request. Modifications are made to the aneroid for valet driving conditions. Modified torque curves. Core charge: $1000.00. (Note: If core being returned is from a 1994 or 1995 Dodge only $400 of the core charge will be returned.)