This is the normal regulator sold with our fuel injection fuel delivery systems. Gasoline and methanol compatible. 1/8" NPT gauge port. (1) 9/16 o-ring inlet and (1) 9/16 o-ring return port. Ports are located on the side of housing for easy mounting and plumbing. Black anodized. Small, lightweight and economical. 2-year limited manufacturer's warranty. Please contact FueLab for warranty service at 217-324-3737.