These are made to the Garret oiler drawings, type 2A, We have recently made a number of these for some 4CD owners. They fit most of the motion with the exception of the big ends which use type 5A.
Would be fine as a generic lubricator for any engine, threaded 3/8" BSP.
http://www.ebay.co.uk/itm/3023496469...84.m1555.l2649