Double Platinum Spark Plugs
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Double Platinum Spark Plugs
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Autolite Double Platinum Spark Plugs

Part No. APP45 Warranty Details  
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This premium plug provides outstanding performance and platinum-to-platinum firing

Product Features:
  • Super conductive Yttrium enhanced ground electrode provides superior heat transfer
  • Platinum enhanced high nickel alloy side electrode maintains precision gap
  • Platinum tip assures virtually no gap erosion for longer plug life
  • Easier starts, quicker acceleration and improved fuel efficiency
  • Heat range precisely set by Ionization Sensing Technology
  • Lifetime Limited Warranty*
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Electrode Tip Material:Double Platinum
Reach:.460 in
Seat Type:Tapered
Thread Diameter:18 mm
Tip Configuration:Power
Wrench Diameter:13/16 in

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1 Question | 1 Answer
Displaying question 1
  • Q:

    Dear Sir or Madam
    What does signify "DIS System"?
    Many thanks and Yours sincerely
    Asked on 7/14/2012 by Tino from Plauen, Germany

    1 answer



      The DIS System stands for Distributorless Ignition System, It was designed to replace the mechanical distributor system (HEI) in controlling the ignition secondary coil voltage. This system is comprised of the following components: Crankshaft Timing Sensor: To trigger the ignition system.This sensor sends a signal that feeds timing and RPM information to the DIS and computer module., Camshaft Sensor: Driven by the camshaft and provides information on the cylinder position for the ignition coil and fuel system, Ignition (DIS) Module: Receives the signal from the crankshaft sensor and the camshaft sensor. Its major purpose is to use the information supplied to it to control the ignition coils. The reason it does this is to ensure that they fire in the correct sequence., Ignition Coil Pack: Comprised of multiple ignition coils. The DIS module controls these coils by means of coil leads. Main advantage with this system was that it provided improved economy and performance with reduced emissions.
      For compatibility of this part with your vehicle, please provide your vehicle make, model and engine specification.
      For any further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and our representatives would be more than happy to assist yo

      Answered on 7/15/2012 by Aaron from AAP
Displaying question 1

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