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Moroso Ultra 40 Unsleeved Custom-Fit Wire Sets

4.55 out of 5 stars 137 Customer Reviews

The new standard in ignition wires for racers on a budget! Moroso Ultra 40 unsleeved custom-fit ignition wire sets are the most powerful and RFI/EMI-resistant wires

The new standard in ignition wires for racers on a budget! Moroso Ultra 40 unsleeved custom-fit ignition wire sets are the most powerful and RFI/EMI-resistant wires available for racing today. Plus, their closely woven fiberglass, silicone-impregnated insulation provides up to 8,000 extra volts of protection. Features: * 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

The new standard in ignition wires for racers on a budget! Moroso Ultra 40 unsleeved custom-fit ignition wire sets are the most powerful and RFI/EMI-resistant wires available for racing today. Plus, their closely woven fiberglass, silicone-impregnated insulation provides up to 8,000 extra volts of protection. Features: * 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

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Moroso Ultra 40 Unsleeved Custom-Fit Wire Sets 73723

Moroso Ultra 40 Unsleeved Custom-Fit Wire Sets 73723

Moroso Ultra 40 Unsleeved Custom-Fit Wire Sets 73723

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, Chevy, Sprint Car, Magneto Drive, Set

Part Number: MOR-73723

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

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Special Offer

Buy these Plug Wires and get a pair of Mechanics Gloves!

Estimated Ship Date: Monday 10/13/2025

Moroso Ultra 40 Unsleeved Custom-Fit Wire Sets 73724

Moroso Ultra 40 Unsleeved Custom-Fit Wire Sets 73724

Moroso Ultra 40 Unsleeved Custom-Fit Wire Sets 73724

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, Chevy, Sprint Car, Magneto Drive, Raised Cam Block, Set

Part Number: MOR-73724

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

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Special Offer

Buy these Plug Wires and get a pair of Mechanics Gloves!

Estimated Ship Date: Nov 6, 2025 if ordered today

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