Accel Accel U-groove Spark Plug Header Plug - 0574S-4
ACCEL U-Groove performance spark plugs produce a larger spark for more power at high RPMs. Improves throttle response and fuel economy, less fouling. Purified Alumina insulator prevents arcing. Machine rolled threads protect heads. U-Groove Spark Plug;Header Plug;Resistor;Shorty Plug For Headers;4 Pack;California Residents: WARNING
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