14 mm thread diameter;. 375" reach; 3/4" hex socket. Quicker starts; Saves on fuel.
Replaces Champion: 5843 CJ6 CJ6Y RCJ6 RCJ6Y CJ7Y RCJ7Y CJ8 CJ8Y RCJ8 RCJ8Y.
Replaces NGK: BPM4A BPMR4A BPMR4A10 BMR6A BPM6A BPMR6A BPM6A10 BPM6Y BM7 BM7A BMR7A BPM7A BPMR7A BPM7Y.
Replaces Autolite: 254 255 2974 XST254 XST255 XST2974. null