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ACCEL AP309S - ACCEL Silver Tip Racing Spark Plugs

ACCEL AP309S - ACCEL Silver Tip Racing Spark Plugs large image

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  • Spark Plug, Silver Tip, Tapered Seat, 14mm Thread, .690 in. Reach, Projected Tip, Non-Resistor, Set of 4
  • Additional Info
    • Substitute Part: ACC-309S
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BrandACCEL
Manufacturer's Part NumberAP309S
Part TypeSpark Plugs
Product LineACCEL Silver Tip Racing Spark Plugs
Summit Racing Part NumberACC-AP309S
 
Shorty Spark PlugNo
ResistorNo
Electrode Core MaterialSilver
Electrode Tip MaterialSilver
Insulator TypeProjected
Spark Plug Thread Size14mm
Spark Plug Reach0.690 in.
Spark Plug Seat StyleTapered
Wrench Diameter5/8 in.
Ground Strap QuantityOne
QuantitySold as a set of 4.
NotesStandard heat range.
 

These ACCEL silver tip racing spark plugs have better ignitability than conventional performance spark plugs and offer better performance and reliability in high-boost, nitrous, or high-compression engines. Silver is the element with the most free electrons and is the best electrical and thermal conductor of all metals. The ACCEL silver tip racing spark plugs have a fine-wire center electrode, which gives more room for the insulator between the center electrode and spark plug shell. More insulation results in more durable spark plugs with high dielectric strength. They provide a powerful spark, improved performance, low ignition requirements, excellent heat dissipation at full load, and supreme anti-fouling resistance under light load operation.

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