BP6HS NGK Spark plug.

NGK are very good quality spark plugs, usually made in France or Japan.

Price is for one spark plug.

Suitable for:

All DS / ID Models 1955 - 1975.

H Van 9/63 →

CX OHV models 1975 →

NOT suitable for:
ID Normale with cast iron cylinder head (when did you last see one of those?)
CX 2.0 and 2.2 OHC engines
Turbo charged CX models.