Nsulator:95%pure alumina housing:pearl nickel plated housing Our spark plugs' dimension accor with iso international criterion Great technology and reliable quality Oem services are welcome Speciafications of spark plug: Reach:19mm hex:20.8mm thread size:m14¡¡§¡é1.25(mm) Model number:bpr6eix insulator colour:white(multiple choices) Resistor:yes 1piece in a small colour box, 10pcs in a middle colour box, 200pcs or 400pcs in an export carton.
