● Trivalent metal plating provides superior anti-corrosion and anti-seizing properties.
● Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer.
● Nickel copper core increases your engine’s acceleration and fuel efficiency with stable ignitability.
● Specs: thread diameter: 14mm; reach: 7.8mm; gap: 0.7mm.
● Hipa RDJ8JU Spark Plug Compatible with Champion RDJ7J; Craftsman MTD 753-06847 753-06193 794-00055A; NGK BMR6F.