If you're looking for an offshore piece of junk regulator, this product is not for you! If you're looking for the best performing regulator on the market that is designed and built in the USA from the highest quality components available, this is your regulator. Snow Performance's High Flow Billet Fuel Pressure Regulator sets itself apart from the competition with anodized billet aluminum internal components, a Fluorosilicone coated Nomex diaphragm, and a silicon nitride ceramic ball which will never corrode, making this regulator safe for any type of fuel. Combine all these features with a corrosion-resistant spring, and a black anodized CNC machined aluminum body, your result is a fuel pressure regulator that responds lightning fast to your vehicle's ever-changing fuel flow demands and is compatible with any type of fuel, INCLUDING E-85 and METHANOL! Features: Made in the USA Adjustable from 3-40psi Two 8AN ORB inlet/outlet ports 8AN ORB Return Port 1/8 hose barb for 1:1 vacuum/boost reference 1/8 NPT gauge port