Powerdex AFX Air Fuel Ratio Monitor $325.00 Complete Fuel Injection Systems Fuel Injection Components Fuel Injectors GM Ramjet Upgrades Fuel Air Spark Technology Systems Motec Systems If you don't see what you're looking for please call or e-mail us. Phone: (480) 753-0208 Fax: (480) 753-0216 Hours: 8am - 5pm M-F and 9am - 1pm Saturdays Mountain Standard Time Click Here to E-Mail Arizona Speed and Marine