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Professional; Rapidfire
ACDelco's RAPIDFIRE Performance Platinum Spark Plugs offer longer life and improved efficiency over time as compared to conventional spark plugs.

The RAPIDFIRE Platinum Spark Plug design features:
  • Ribless insulator that may improve the plug-to-boot seal.
  • Tapered center wire electrode with a platinum pad that reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage.
  • One-piece integral suppressor seal that helps reduce radio frequency interference, meters spark plug energy to help provide long electrode life, and seals against compression leakage.
  • Reduced sparking voltage & greater corrosion protection when compared to conventional spark plugs.
  • Fits engines that run conventional plugs, as well as newer vehicles that require platinum plugs Includes several marine applications.

Spark Plug Type Performance Differences

Resistance6-15
Ground Electrode Tip DesignNone
Ground ConfigurationNone
Ground Electrode Core MaterialNickel
Center Electrode Core MaterialCu-core Ni
Center Electrode Tip MaterialPt pad
Gap Size0.047 IN
Gap Size1.15 MM
Ground Electrode Quantity1
Hex Size16
Insulator Height52.577999999999996 MM
Manufacturer Heat Range12
Approximate Resistor Value6-15k ohms
Seat TypeFlat
Reach0.75 in
Reach19 mm
Thread Diameter14 MM
Resistor TypeYes
Alternate/OEM Part Number(s): 19145287, 19308030, 25164643

Warranty Information:
3 Years
Warranty Details