Earls O.E. Fuel Line EFI Quick Connect - 751186ERL throttle-position-sensors The water pump design incorporates

The water pump design incorporates optional side or top heater ports

Adapter AN Size ( A ) 3 AN MALE Adapter Size ( B ) 10MM X 1

4L V8 1984 - 1991 GMC C1500 350/5

8 V6 1986 - 1992 Oldsmobile Toronado 231/3

Being aluminum also means they will hold their shine longer

Earls O.E. Fuel Line EFI Quick Connect - 751186ERL throttle-position-sensors The water pump design incorporatesOverview: The Earl's Vapor Guard product line has been expanded to include O. E. fuel line quick connect fittings. These adapter fittings allow an easy way to re use existing OEM fuel rails, fuel filters, and other components when doing an engine swap, or upgrading to AN Fuel Hoses. Each fitting has a 10 AN Male Flare, and a metal retainer nut for a secure leak free connection to the 1 2" SAE style fuel tube. Constructed from 6061 T6 aluminum w black