Description The GSL392 is a high pressure external fuel pump that's capable of supporting EFI applications up to 650BHP, where higher fuel pressure is necessary. These pumps have been a proven and extremely popular fuel delivery upgrade for years and are ideal for vehicles with big engine & performance modifications. External fuel pumps are usually mounted outside of the fuel tank and sometimes alongside another in-line fuel pump on higher performance applications. They can also be used as a booster for an existing in-tank fuel pump. Specification .
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