NotesGround Electrode Core Material--Nickel, Center Electrode Core Material--Copper, Center Electrode Insulator Tip Projection--0.06, Reach--0.500, Skirt--No, Center Electrode Projection--Non-Projected, Ground Electrode Tip Material--Nickel, Hex Size--5/8" (16mm), Pre-Gap Size--.028, Ground Electrode Quantity--1, Manufacturer Heat Range--8, Resistor Type--No, Thread Diameter--0.394, Center Electrode Design--Standard, Ground Electrode Tip Design--Standard, Seat Type--Flat, Electrical Terminal Type--Stud, Insulator Material--Ceramic, Washer Included--Yes, Grade Type--Regular, Washer Type--Crush, Short Style Spark Plug--No, Cat_Line_Cd--NGS, Center Electrode Tip Material--Nickel, Insulator Height--1.88, Stock Number--6821, Ground Configuration--J-Gap
Sub TypeSpark Plug