# 4548 Spark Plug
Business hours are 10am to 4pm EST Monday - Friday.
Listing is for 1 spark plug with free shipping
Fits: the following with modified high compression race engines
Yamaha Raptor 700 2006-2023
Yamaha YFZ450R 2004-2023
Yamaha YFZ450R 2004-2023
Multi-ground electrodes improve ignition capabilities and are less sensitive to increased voltage requirements due to gap growth. Designed to specific manufacturer ignition requirements, NGK's multi-ground plugs maintain all the features of their standard plugs, including:
Corrugated Ribs to Prevent Flashover
Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer
Copper core to aid in heat removal
Triple seals to prevent leakage
CR9EK
Thread Diameter 10mm
Thread Pitch 1.0mm
Seat Type Gasket
Reach 19mm (3/4")
Hex Size 5/8" (16mm)
Terminal Type Threaded Stud
Gap .028" (0.7mm)
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