Spark Plug 4263/4 Copper

Features: Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof) Multi-rib insulator reduces danger of *flash-over* One-piece terminal post adds strength Resistor reduces radio frequency interference (RFI) and electrode erosion Cold-formed steel shell precision rolled threads Full copper core electrode provides better performance in all conditions Verify all cross reference listings before purchase Fitment: BMW R100 1991 BMW R100GS 1988 BMW R100GS 1989 BMW R100GS 1990 BMW R100GS 1991 BMW R100GS 1992 BMW R100GS 1993 BMW R100GS 1994 BMW R100GS 1995 BMW R100GS Paris-Dakar 1990 BMW R100GS Paris-Dakar 1991 BMW R100GS Paris-Dakar 1992 BMW R100GS Paris-Dakar 1993 BMW R100GS Paris-Dakar 1994 BMW R100GS Paris-Dakar 1995 BMW R100R 1988 BMW R100R 1989 BMW R100R 1990 BMW R100R 1991 BMW R100R 1992 BMW R100R 1993 BMW R100R 1994 BMW R100R 1995 BMW R100RS 1988 BMW R100RS 1989 B