Clymer, 1972 ("Volkswagen Service Repair Handbook...")
Chapter 7, Figure 12

(1) Intake manifolds with injector seat
(2) Injector inner locating bushes
(3) Sleeves
(4) Injector plate
(5) Injector outer locating bushes
(6) Electro-magnetic fuel injector
(7) Hose connection with screw clamp
(8) Injector retainer
(9) Spring washer
(10) Nut

Copyright Clymer Publications, Overland Park, Kansas. Used with permission.