Spark Plug - NGK Racing - 10 MM Thread - 0.749 In Reach - Gasket Seat - Stock Number 4940 - Resistor - Each
NGK  |  Part# NGK-R0373A-10   More Details...

$112.19

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Spark Plug - Silver Racing - 16 MM Thread - 22 MM Reach - Heat Range 12 - Tapered Seat - Resistor - Each
BRISK USA  |  Part# BSK-3VR12S   More Details...

$16.65

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Spark Plug - Premium Racing - 12 MM Thread - 19 MM Reach - Heat Range 10 - Gasket Seat - Resistor - Each
BRISK USA  |  Part# BSK-BR10ZS   More Details...

$16.65

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Spark Plug - NGK Racing - 14 MM Thread - 0.750 In Reach - Gasket Seat - Stock Number 7173 - NON-RESISTOR - Each
NGK  |  Part# NGK-R5672A-8   More Details...

$4.99

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Spark Plug - NGK Racing - 14 MM Thread - 0.749 In Reach - Gasket Seat - Stock Number 5196 - Resistor - Each
NGK  |  Part# NGK-R6918C-9   More Details...

$40.69

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Spark Plug - NGK Standard - 12 MM Thread - 0.749 In Reach - Gasket Seat - Stock Number 7912 - NON-RESISTOR - Each
NGK  |  Part# NGK-D7EA   More Details...

$4.39

Out of Stock (call for availability)