Koos - thats photos the front fuel tank and finished rear water pipes
(http://www.abarth-gmr.be/new/squadra/sqBB/restaurations/periscope/pipes.jpg)
(http://www.abarth-gmr.be/new/squadra/sqBB/restaurations/periscope/tank1.jpg)
(http://www.abarth-gmr.be/new/squadra/sqBB/restaurations/periscope/tank2.jpg)