This injector converts a 3/4 height injector with a 14mm top oring (53.5mm oring centre to oring centre) to a full height injector (64.5mm oring centre to oring centre) with an 11mm top oring.
Injector Top Oring - 14mm
Fuel Rail Outlet - 11mm
Note For adapters to suit Nissan Fuel Rails use part number 851-11SPNIS