Oil screw compression spring set under the crankcase left or right 356 and 912

Spring with piston, screw and Oring at the bottom of the crankcase on the left or right side. For 356 and 912. with the screwdriver screw.

2 sets required per engine.

consisting of: 99906401002, 90012302570, 99951201600, 61610751100.