• spark plug adapter

    Spark Plug Adapter (7/8” To 14mm)

    $15.50
  • #W89D, Champion Spark Plug (7/8”, Long Electrode)

    7/8” Champion Spark Plug, Long Electrode

    $12.50
  • spark plug adapter

    Spark Plug Adapter (1/2” Pipe to 14mm)

    $10.75
  • The gap gauge against a white background. Inches side.

    Spark Plug Gap Gauge

    $4.50
  • spark plug tap

    Spark Plug Tap (1/2″)

    $35.00
  • spark plug adapter

    Spark Plug Adapter (3/4” Pipe TO 1/2” Pipe)

    $11.75
  • Spark plug and ring against white background

    Auburn Spark Plug #I-31 (14mm)

    $32.75
  • spark plug adapter

    Spark Plug Adapter (18mm To 14mm)

    $13.50
  • #D21, Champion Spark Plug (18mm)

    18mm Champion Spark Plug, 1/2″ Reach

    $4.25
  • #458, Autolite Spark Plug (14mm)

    #458, Autolite Spark Plug (14mm)

    $3.00
  • Spark plug, ring, and cap against white background, stamped "C87"

    18mm AC Delco Spark Plug

    $4.94
  • Spark plug and ring

    7/8″ Champion Spark Plug, .625″ Reach

    $9.50
  • #C88L, AC Delco Spark Plug (Long Reach, 18mm)

    18mm AC Delco Spark Plug, Long Reach

    $6.75
  • #RJ12C, Champion Spark Plug (14mm)

    #RJ12C, Champion Spark Plug (14mm)

    $3.25
  • Spark plug against white background, stamped"CJ8"

    14mm Champion Spark Plug

    $2.50