They will withstand high underhood temperatures and are available in two sizes. The Markers are also supplied on a trick tool that makes installation effortless.

More From This Category

MSD Spark Plug Boot, 90 Degree, Silicone, Gray, 8.5mm, GM HEI Nipple, Set of 50

MSD Spark Plug Boot, 90 Degree, Silicone, Gray, 8.5mm, GM HEI Nipple, Set of 50

$102.34

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Black, Stock Boots, For Chevrolet, 5.7L, Set

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Black, Stock Boots, For Chevrolet, 5.7L, Set

$524.39

MSD Spark Plug Wires, Carbon Graphite, Silicone, Straight, 8mm Dia, Black, Small Block For Ford, Set

MSD Spark Plug Wires, Carbon Graphite, Silicone, Straight, 8mm Dia, Black, Small Block For Ford, Set

$153.62

MSD Spark Plug Wires, Copper, Silicone, Multi-Angle, 8.5mm Dia, Red, For Chevrolet 366-454, Set

MSD Spark Plug Wires, Copper, Silicone, Multi-Angle, 8.5mm Dia, Red, For Chevrolet 366-454, Set

$231.07

NGK BR10EG, Spark Plug, Racing, 14mm Thread, .750 in. Reach, 13/16 in. Hex, Gasket Seat, Resistor, Each

NGK BR10EG, Spark Plug, Racing, 14mm Thread, .750 in. Reach, 13/16 in. Hex, Gasket Seat, Resistor, Each

$9.71