● Trivalent metal plating provides superior anti-corrosion and anti-seizing properties.
● Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer.
● Nickel copper core increases your engine’s acceleration and fuel efficiency with stable ignitability.
● The v-cut center electrode design allows the spark to more quickly ignite the air/fuel mixture for quicker starts.
● Fit for Stihl MS250, MS290, MS170, BG55, 029, 025 and more; Replaces NGK BPMR7A, Champion RCJ7Y
● Specs: thread diameter: 14mm; reach: 9.5mm; gap: 0.7mm.

● 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: 10mm; reach: 12.7mm; gap: 0.7mm.
● Replace for NGK CMR6H (3365) Champion RZ7C Stihl 0000 400 7011, fit for Stihl FS87 FS90 FS100 FS110 FS40 FS50 FS56 Trimmer, BG86 BR500 BR550 BR600 FS110 Backpack Blower, and more.