Here are the parts I bought today.
I have some more that will be arriving tomorrow.

1. B2 Piston Part Number on Box


2.B2 Piston Upper - Actual Part Number 126 277 11 38


3.B2 Piston Bottom


4.B2 Piston pictured on top of oil filter (size reference)


5. B2 Piston Closeup


6.B2 Piston Seal Ring (to the cover)


7. Plastic Bushing for updated B2 Piston


8.Seal that holds in the bushing


9. K1 Spring Kit


10. K1 Spring Kit

Attached Thumbnails

         

         

__________________
1989 300CE Astralsilber/Schwarz
1992 300CE Schwarz/Schwarz