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Mast Motorsports Spark Plug Wire Sets

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Mast Motorsports' spark plug wire sets are the most powerful and RFI/EMI-resistant wires available for racing today. The Ultra 40 unsleeved custom-fit ignition spar

Mast Motorsports' spark plug wire sets are the most powerful and RFI/EMI-resistant wires available for racing today. The Ultra 40 unsleeved custom-fit ignition spark plug wires feature closely woven fiberglass, silicone-impregnated insulation that provides up to 8,000 extra volts of protection and come to you already assembled for convenience.

Features of these 8.65mm wires include:

* Kevlar® core that's four times stronger than Aramid cores
* Class-leading 40 ohms of resistance per foot
* Nickel copper alloy conductors for superior spark energy transfer
* Extra-thick EPDM layer for greater dielectric stren

Mast Motorsports' spark plug wire sets are the most powerful and RFI/EMI-resistant wires available for racing today. The Ultra 40 unsleeved custom-fit ignition spark plug wires feature closely woven fiberglass, silicone-impregnated insulation that provides up to 8,000 extra volts of protection and come to you already assembled for convenience.

Features of these 8.65mm wires include:

* Kevlar® core that's four times stronger than Aramid cores
* Class-leading 40 ohms of resistance per foot
* Nickel copper alloy conductors for superior spark energy transfer
* Extra-thick EPDM layer for greater dielectric strength
* High-temperature silicone boots that can withstand heat up to 600 degrees
* Locking stainless steel plug terminals