Aeromotive Adjusatable EFI Fuel Pressure Regulator -6 In Out 40-75 PSI 13129. 6 In / Out Note: -6 In / Out Car Make: Universal Car Model: Universal Years: EFI Engine: Universal. This EFI Bypass Regulator encompasses features and benefits only found on Aeromotive regulators and in a new smaller and lighter package. Capable of supporting […]