Fuel Pressure Regulator Features: 
Two -6AN inlet ports and one -6AN return port
Gasoline, diesel, methanol, and ethanol fuel compatible
Billet Aluminum with anodize per military MIL-A-8625, Type II
Fine thread pitch for precise pressure adjustment
Versatile mounting bracket and stainless steel hardware
1/8” NPT gauge port with plug for external pressure gauge
1/8” NPT pressure reference port with barbed fitting