Page 19 of Fuel Pumps by Holley Performance Products, Inc.

adjustable fuel pressure regulator part 512-504-5 this precision adjustable fuel metering regulator is the ultimate fuel pressure control unit designed to work on all naturally aspirated efi turbo and supercharged applications like vehicles that run in the pro street pro import and outlaw classes this is a 2 port 1:1 boost compensating return style regulator that is adjustable from 15-65 psi boost reference and is designed to be used in conjunction with any electric efi fuel pump features built in gauge port mounting bracket two an -8 o-ring fittings and a an-6 o-ring return fitting all racing regulators come black hard anodized for ultimate durability key features · designed to regulate high fuel demands for naturally aspirated efi turbo supercharged and nos race applications · engineered to regulate extreme flow volumes generated by racing fuel systems · allows adjustment from 15-65 psi boost reference · precision cnc machined 6061 t-6 billet aluminum · -8an -6an o-ring style fittings included to adapt to steel braided fuel lines · includes detailed installation instructions fuel management controller part 512-505 this fuel management unit is designed to run in conjunction with the factory fuel pressure regulator this is the ultimate manual fuel management control unit and is installed in series with a stock regulator in the return line back to the tank the unit increases fuel pressure in proportion to boost pressure up to a 4:1 idle/wot pressure ratio depending on which included adjustable disks you select this add on upgrade is ideal to be used with aftermarket turbo and supercharger kits that require additional fuel pressure volume as the boost pressure increases this unit is adjustable from 20-75 psi offers two fuel pressure slope settings and is recommended to be used in conjunction with any holley high volume efi fuel pump all fuel management units are produced from precision cnc machined billet aluminum and include detailed installation instructions key features · supplies increasing fuel ratios in respect to boost produced by turbos and superchargers · designed to supply additional fuel for aftermarket turbo and supercharger applications · engineered to regulate extreme flow volumes generated by racing fuel systems · allows adjustment from 20-75 psi boost reference · precision cnc machined 6061 t-6 billet aluminum · -6 an fittings included · includes detailed installation instructions fuel pumps tech line 270-781-9741 207

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