NGK B6HS short neck spark plug, valid for Montesa Impala, Brio and many Montesa Cota models, etc.. also for various Bultaco, Ossa, Derbi, etc. models.

Spark plug recommended for those looking for a spark plug with a hotter point than the standard thermal grade, for several Montesa and Bultaco models and for many classic motorcycles, without resistance to facilitate starting motorcycles with less spark intensity, see the specifications of the maker,

Includes:

     X1 Heat Grade 6 Spark Plug

Valid for:

     Montesa impala
     Montesa Cota
     Various Bultaco