Bosch copper core spark plug WR7BC Fits: > 54-56 KH; 57-85 X
Bosch, copper core spark plug. WR7BC Fits: > 54-56 KH; 57-85 X
14mm threaded. short reach, 12.7mm (1/2"). Used with a 21mm spark plug socket. A 'Super' spark plug with Cu-Electrode/copper core.
Fits: > 54-56 KH; 57-85 X
sold each
part numbers: 931640