Hi-Performance
Autolite Racing_4 Pack with unit

Autolite Racing® Hi-Performance Spark Plugs

Actual racing spark plug used by many professional car drivers. Provides cut back ground electrode, anti-corrosive nickel plating and large ground electrode for better heat transfer.

Packed with Innovative Technology:
  • Yttrium-Enhanced Alloy enables up to 8% reduction in sidewire temperature for colder heat ranges designed to enable performance modifications and handle intense conditions.*
  • Cut back ground electrode for better ignitability of the flame kernel
  • Anti-corrosive nickel plating to prevent rusting better than black oxide
Autolite highly recommends that you consult with your vehicle’s owner’s manual for any specific instructions for changing the spark plugs. Engines can vary widely by make and model. These instructions should be considered for general guidance only.
Replacing spark plugs can be a simple job, if you take things one step at a time. Given a basic understanding of mechanical matters, here's a guide to the proper procedures in changing spark plugs.

  • Yttrium-enhanced alloy enables up to 8% reduction in sidewire temperature for colder heat ranges designed to enable performance modifications and handle intense conditions.*
  • Cut back ground electrode for better ignitability of the flame kernel
  • Anti-corrosive nickel plating to prevent rusting better than black oxide
*Testing performed by independent lab
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