T90110116102
Engine Case Nut Washer, 911 65-89, 914-6 for Porsche 911, 912, 914, 930
G90110116102
Washer for Porsche 911, 912, 914, 930
S90110116102
24 required per engine. These go on the crankcase main through bolts.
R90110116102
Uro Parts Engine Case Washer for Porsche 911, 912, 914, 930