Autolite Spark Plug 3931

Availability: 8 in stock
SKU: AR3931
$3.69

Autolite® Racing Hi-Performance Spark Plugs

AR3931

      Non-projected (standard) tip
      14 mm plug
      3/4" reach
      5/8" hex
      Gasket seat
      Non-resistor

Cut Back Ground Electrode for improved ignitability
Anti-Corrosive Nickel Plating
Large Ground Electrode for better heat transfer