CNC machined and annodised aluminium fuel injector height extension.
Designed to turn:
short injectors (40 mm) into
medium injectors (55 mm) with an 11 mm top o-ring.
It is held onto the injector securely with a clip, it also comes with a filter basket to use if you need it.
DO NOT put the filter basket in the injector, place it in the top of the extension with the gauze pointing down. Tap the filter on top until it sits flush with the top of the extension.