V-Twin performance spark plugs features a copper core electrode for a longer service life, nickel plated housing, 95% pure alumina insulator and a heat crimping process to ensure a leak free seal.

One heat range hotter than stock plug.

Fits:
FXST 1984-1998
FLST 1984-1998
FLT 1984-1998
FXR 1982-1994
FXD 1991-1998
FL 1975-1984
FX 1975-1984
UOM: 1 - SET