Spark plugs

$2.12

$2.69

$2.27

$2.27

$3.25  $2.58

$3.49  $2.69

$4.06  $3.31

$4.39  $3.61

$4.47  $3.80

$4.19

$4.05

$6.34  $3.73

$11.78

$11.91

$12.02  $10.48

$12.96

$13.40  $12.36

$13.57  $9.26

$14.13

$14.70  $12.67

$15.52  $12.67

$15.84  $15.50

$23.48  $19.39

$25.02  $21.45

$25.67  $21.64

$27.86  $24.37

$29.73  $25.23