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  • Solid copper core for greater spark, superior heat dissipation and conductivity
  • Longer insulator nose prevents fouling
  • Corrugated ribs on insulator prevents flashover
  • Dual ground electrodes for more consistent spark
  • Triple gasket seal eliminates combustion gas leakage and the Zinc dipped shell prevents corrosion

Our Price: $3.99
Autolite AR3910X Autolite AR3910X

  • Replacement racing spark plug used by many professional car drivers
  • Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions
  • Contains an Yttrium-enhanced alloy to enable up to 8% reduction in sidewire temperature for improved durability and less pre-ignition
  • Features cut back ground electrode for improved ignitability of flame kernel
  • Coated in an anti-corrosive nickel plating to prevent rusting

Our Price: $5.99
Z4C Spark Plug for 80cc 2-Stroke Motorized Bicycle Engine Z4C Spark Plug for 80cc 2-Stroke Motorized Bicycle Engine

The Z4C spark plug for 80cc 2-stroke Motorized bicycle engine kits will fit numerous small gas engines in the 48cc, 66cc, 70cc, and 80cc displacement range.
The Z4C will substitute for the:Autolite 4093 or 425, Champion L86C, NGK, B5HS, or B6HS (preferred)

Our Price: $5.99