Spark Plug - Premium Evo - 12 MM Thread - 26.1 MM Reach - Heat Range 14 - Gasket Seat - Resistor - Each
BRISK RACING SPARK PLUGS  |  Part# BSK-MR14BFXC   More Details...

$16.65

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Spark Plug - Super Yttrium Racing - 14 MM Thread - 18 MM Reach - Heat Range 15 - Gasket Seat - Resistor - Each
BRISK RACING SPARK PLUGS  |  Part# BSK-GOR15YTE-3   More Details...

$8.42

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Spark Plug - Super Copper - 12 MM Thread - 19 MM Reach - Heat Range 12 - Gasket Seat - Resistor - Each
BRISK RACING SPARK PLUGS  |  Part# BSK-BR12YC   More Details...

$4.50

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Spark Plug - Racing - 14 MM Thread - 0.750 In Reach - Gasket Seat - NON-RESISTOR - Each
AUTOLITE  |  Part# AUT-AR3931   More Details...

$6.99

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Spark Plug - Racing - 14 MM Thread - 0.460 In Reach - Tapered Seat - NON-RESISTOR - Each
AUTOLITE  |  Part# AUT-AR12   More Details...

$5.49

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Spark Plug - 14 MM Thread - 0.460 In Reach - Tapered Seat - Resistor - Each
AUTOLITE  |  Part# AUT-144   More Details...

$3.49

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Spark Plug - Shorty - 14 MM Thread - 0.750 In Reach - Gasket Seat - Resistor - Set Of 4
ACCEL  |  Part# ACL-0416S-4   More Details...

$41.38

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Spark Plug - NGK Iridium Ix - 12 MM Thread - 26.5 MM Reach - Tapered Seat - Stock Number 7554 - Resistor - Each
NGK  |  Part# NGK-ZNAR7AIX   More Details...

$11.99

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Spark Plug - NGK V-POWER - 14 MM Thread - 0.460 In Reach - Tapered Seat - Stock Number 7052 - Resistor - Each
NGK  |  Part# NGK-YR5   More Details...

$3.49

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Spark Plug - NGK V-POWER - 14 MM Thread - 0.375 In Reach - Gasket Seat - Stock Number 4536 - Resistor - Each
NGK  |  Part# NGK-XR45   More Details...

$3.99

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