Superior construction for serious power NGK makes plugs for almost every application and riding style
Versatile plugs with wide operating heat ranges prevent fouling from running too cool and preignition from running too hot
Feature high alumina ceramics for improved heat dissipation and electrical insulation, deep-seated copper core for a wider heat range and a nickel alloy tip for longer life
Specifications
Manufacturer's Part Number
4644
CARB Approved
Yes
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