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Our billet aluminum regulators are sure to last with a protective and great looking anodized finish and are adjustable from 5-12 psi. This regulator is recommended for high flow setups to protect your carburetor for smooth and consistent performance. Our billet regulators feature a 1/8" NPT port on the face of the unit for easy installation of a pressure gauge. There is one 3/8" NPT inlet and two 3/8" NPT outlet ports with a single 3/8" NPT block off included in one of the outlets. The zinc coated mounting plate and hardware is also included in the box.