Aeromotive Ford Regulators, P/N's 13102 (pictured on right) For use with Ford powerplants- Aeromotive offers true billet regulators designed to meet the performance requirements of these Ford engines. Our Ford Regulators feature: Stainless steel spring custom-designed to provide the regulation required by Ford's 4.6 engine. 1/8" NPT gauge port. Installation kit includes O-ring and gaskets (if required).