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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

ACDelco Quality

ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into three tiers: GM Original Equipment, ACDelco Gold, and ACDelco Silver.

GM ORIGINAL EQUIPMENT
GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors.
ACDELCO GOLD (PROFESSIONAL)
ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors.
ACDELCO SILVER (ADVANTAGE)
ACDelco Silver parts are a quality high-value option for most makes and models, backed by General Motors.


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