Fuel regulator a specific range of pressure can be maintained to drain excess fuel back into the tank. Intake manifold pressure differences during idling, cruising and hard acceleration can also be addressed.
Fuel pressure regulator Suitable for petrol, diesel, and alcohol/E85 vehicle systems if fuel bypass only need one inlet, can use the end caps in the kit block off.
Springs inside the regulator available for 20-45 psi,can adjust the psi by the bolt on the top ,need adjust to 3-20 psi and 45-70 psi, please replace the inside spring.
When installing the fuel regulator NPT gauge port, seal it with threaded sealant tape. built installation instruction(professional installation is recommended).
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