Extra long port injection nozzle body brass. These have been designed specifically for a BBC where the ports are tough to get to.
X-Long port body measure 3.350" overall, from where the nozzle jet screws in to the first thread 2.600", from the tip to the first thread .750". Threads on the nozzle body are 1/8" NPT and jet threads are -2 ORB.
Nozzle bodies are sold individual.