ASSO piston mono segment Ø39mm shaft 12mm MINARELLI P4 and P6 Compact sistem special ...

Piston high quality ASSO, 3620 reference 2113 but has reference inside the piston, provided with its segment L, Ø39mm. At ASSO, it indicates that the piston is 50 cc Compact sistem special.

Cast model.
Compression: 28mm
OSTD 38.8mm
For shaped head: B.
Bolt measure: 2mm.
Overall Length: 51mm.
Segment Type: In L-type CAL4.
Thickness of 2mm segment.
Ø12mm axis 31,5mm length.