Info for vehicles with B20A Engine:
For the B20A Engine (2mm Head gasket) the 9,5mm rubber gasket must be used.

CAR MODEL YEAR ENGINE INFO
Volvo PV B18 With 8,5 mm rubber seals
Volvo DUETT B18 With 8,5 mm rubber seals
Volvo Amazon B18 With 8,5 mm rubber seals
Volvo P1800 B18 With 8,5 mm rubber seals
Volvo 140, B18 With 8,5 mm rubber seals
Volvo 240 1975~1976 B20A/B/D/F With 8,5 mm rubber seals, NB! See info above!
Volvo 240 1975~1976 B20A/B/D/F With 8,5 mm rubber seals, NB! See info above!
This part replaces part no 418327,275621