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 applications up to 1000 HP, the 13129 EFI Bypass Regulator can handle high-flow EFI fuel pumps and the most aggressive street machines; especially those looking for a cleaner, lighter solution where performance is critical or where space is a premium. Base pressure adjustable from 40-75 psi. Fuel pressure rises on a 1:1 ratio with boost. Provides (2) ORB-06 inlet/outet ports and (1) ORB-06 return port. 1/8 NPT gauge port. Vacuum boost port. CNC-Machined 6061 T6 billet aluminum construction. Stainless steel mounting bracket. Please message us for a Return Authorization Number before sending anything back to avoid processing delays. Real Street Performance is unlike most “Race Shops”. We are a fully functioning wholesale and retail distribution warehouse in addition to a dyno-equipped tuning and engine building facility. Our sales center and order fulfillment center operates with state of the art, industry leading software that allows us to get you ALL of the parts you need for your build quickly and correctly the first time without the headaches or excuses. Sign up to our Newsletter.