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Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.
NGK standard plugs are constructed for longer life and optimum performance.
Trivalent metal plating provides superior anti-corrosion and anti-seizing properties.
Corrugated ribs prevent flashover.
Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer.
Copper core aids in heat removal.
Triple seals prevent leakage
We are a Seattle, WA based outdoor gear store with a mission to make climbing, backpacking, skiing & mountaineering accessible and enjoyable for everyone.
© 2026, Master Store
