Quick Fuel 30-7023QFT 5000 4-Port Fuel Pressure Regulator Carbureted Adjustable. This regulator is machined from aircraft grade billet aluminum and anodized for added durability and reliable performance. Hard-coat anodized billet housing. Supports engines over 650 HP. #8 AN inlet and 4 x #8 AN outlet ports. Adjustable from 5-8 PSI. Fluorocarbon diaphragms and Viton® O-rings. Stainless steel pins, brass valve guides, and hard-coat anodized diaphragm plates. Compatible for use with all fuels. Serviced by using 30-7304 Rebuild Kit. Compatible with Today’s Complex Fuels. CCS Kits are supplied with the highest quality components that meet or exceed original equipment specifications and all CCS kits are compatible with today’s complex fuel. Carburetor Collectible Specialty Thanks You for Your Support! Please before leaving Feedback. We strive for perfection and welcome the opportunity to correct any issues with your order. Your satisfaction is our #1 importance. You will receive a response within 48 hours. Please limit your questions to the products we sell.