BOSCH Bosch, copper core spark plug. WR5BC

Description

BOSCH Bosch, copper core spark plug. WR5BC

54-56 KH; 57-85 XL(NU)

14mm threaded. short reach, 12.7mm (1/2″). Used with a 21mm spark plug socket. A ‘Super’ spark plug with Cu-Electrode/copper core.