These are the drop in 72 lb Delphi injectors that require no wire harness adapter or injector hats and spacers, from 1999 to 2007 non flex fuel GM trucks. Perfect for 4.8L, 5.3L, 6.0L and even the 8.1L.
Uses the Multec 2 injector connector, found on gen 3 trucks and suv's that are not flex fuel. Flex truck have a taller EV6 style injector.
Price is for a set of 8.