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Moroso

Moroso Ultra 40 Race Ignition Wire Sets

4.72 out of 5 stars 130 Customer Reviews

Moroso new Ultra 40 Race ignition wire sets are the most powerful and RFI/EMI-resistant wires available for racing today. Features of these 8.65mm wires include a K
Moroso new Ultra 40 Race ignition wire sets are the most powerful and RFI/EMI-resistant wires available for racing today. Features of these 8.65mm wires include a Kevlar® core that's four times stronger than Aramid cores, a class-leading 40 ohms of resistance per foot, nickel copper alloy conductors for superior spark energy transfer, an extra-thick EPDM layer for greater dielectric strength, high-temperature silicone boots that can withstand heat up to 600 degrees, and locking stainless steel plug terminals. Plus, their closely woven fiberglass, silicone-impregnated insulation provides up to 8,000 extra volts of pro
Moroso new Ultra 40 Race ignition wire sets are the most powerful and RFI/EMI-resistant wires available for racing today. Features of these 8.65mm wires include a Kevlar® core that's four times stronger than Aramid cores, a class-leading 40 ohms of resistance per foot, nickel copper alloy conductors for superior spark energy transfer, an extra-thick EPDM layer for greater dielectric strength, high-temperature silicone boots that can withstand heat up to 600 degrees, and locking stainless steel plug terminals. Plus, their closely woven fiberglass, silicone-impregnated insulation provides up to 8,000 extra volts of protection, and their extra-thick diameter extends wire life by adding additional insulation against heat, chaffing, and contaminants.

Results 1 - 25 of 76

Moroso Ultra 40 Race Ignition Wire Sets 73820

Moroso Ultra 40 Race Ignition Wire Sets 73820

Moroso Ultra 40 Race Ignition Wire Sets 73820

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, 90 Degree Boots, Chevy, Set

Part Number: MOR-73820

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73816

Moroso Ultra 40 Race Ignition Wire Sets 73816

Moroso Ultra 40 Race Ignition Wire Sets 73816

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, 135 Degree Boots, Universal V8, Set

Part Number: MOR-73816

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Moroso Ultra 40 Race Ignition Wire Sets 73616

Moroso Ultra 40 Race Ignition Wire Sets 73616

Moroso Ultra 40 Race Ignition Wire Sets 73616

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, 90 Degree Boots, Under Header, BBC, HEI, V8, Set

Part Number: MOR-73616

5.0 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Moroso Ultra 40 Race Ignition Wire Sets 73607

Moroso Ultra 40 Race Ignition Wire Sets 73607

Moroso Ultra 40 Race Ignition Wire Sets 73607

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, 90 Degree Boots, GM, V8, Set

Part Number: MOR-73607

4.29 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73818

Moroso Ultra 40 Race Ignition Wire Sets 73818

Moroso Ultra 40 Race Ignition Wire Sets 73818

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, 90 Degree Boots, Chevy, Set

Part Number: MOR-73818

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Moroso Ultra 40 Race Ignition Wire Sets 73814

Moroso Ultra 40 Race Ignition Wire Sets 73814

Moroso Ultra 40 Race Ignition Wire Sets 73814

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, 90 Degree Boots, Universal V8, Set

Part Number: MOR-73814

Not Yet Reviewed

Estimated Ship Date: Today

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Moroso Ultra 40 Race Ignition Wire Sets 73839

Moroso Ultra 40 Race Ignition Wire Sets 73839

Moroso Ultra 40 Race Ignition Wire Sets 73839

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, 180 Degree Boots, Universal V8, Set

Part Number: MOR-73839

Not Yet Reviewed

Estimated Ship Date: Today

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Moroso Ultra 40 Race Ignition Wire Sets 73628

Moroso Ultra 40 Race Ignition Wire Sets 73628

Moroso Ultra 40 Race Ignition Wire Sets 73628

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, 135 Degree Boots, Ford, Mercury, 460, Set

Part Number: MOR-73628

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73602

Moroso Ultra 40 Race Ignition Wire Sets 73602

Moroso Ultra 40 Race Ignition Wire Sets 73602

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, 90 Degree Boots, GM, V8, Set

Part Number: MOR-73602

4.79 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73617

Moroso Ultra 40 Race Ignition Wire Sets 73617

Moroso Ultra 40 Race Ignition Wire Sets 73617

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, 90 Degree Boots, Under Header, Chevy, Big Block, Set

Part Number: MOR-73617

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73615

Moroso Ultra 40 Race Ignition Wire Sets 73615

Moroso Ultra 40 Race Ignition Wire Sets 73615

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, Straight Boots, Chevy, GMC, 454, V8, Set

Part Number: MOR-73615

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73822

Moroso Ultra 40 Race Ignition Wire Sets 73822

Moroso Ultra 40 Race Ignition Wire Sets 73822

Spark Plug Wires, Assembled, Spiral Core, 8.65mm, Black, Male/HEI, 135 Degree Plug Boots, Ford, 351W, Set

Part Number: MOR-73822

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73843

Moroso Ultra 40 Race Ignition Wire Sets 73843

Moroso Ultra 40 Race Ignition Wire Sets 73843

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, Chevy, Big Block, Jesel Front Drive Distributor, Set

Part Number: MOR-73843

Not Yet Reviewed

Estimated Ship Date: Today

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Moroso Ultra 40 Race Ignition Wire Sets 73819

Moroso Ultra 40 Race Ignition Wire Sets 73819

Moroso Ultra 40 Race Ignition Wire Sets 73819

Spark Plug Wires, Assembled, Spiral Core, 8.65mm, Black, Straight Plug Boots, Chevy, GMC, Big Block, Set

Part Number: MOR-73819

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73802

Moroso Ultra 40 Race Ignition Wire Sets 73802

Moroso Ultra 40 Race Ignition Wire Sets 73802

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, 135 Degree Boots, Universal, V8, Set

Part Number: MOR-73802

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73626

Moroso Ultra 40 Race Ignition Wire Sets 73626

Moroso Ultra 40 Race Ignition Wire Sets 73626

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, 135 Degree Boots, Ford, Mercury, 351W, Set

Part Number: MOR-73626

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73821

Moroso Ultra 40 Race Ignition Wire Sets 73821

Moroso Ultra 40 Race Ignition Wire Sets 73821

Spark Plug Wires, Assembled, Spiral Core, 8.65mm, Black, 90 Degree Plug Boots, Chevy, Big Block, Set

Part Number: MOR-73821

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73801

Moroso Ultra 40 Race Ignition Wire Sets 73801

Moroso Ultra 40 Race Ignition Wire Sets 73801

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, Straight Boots, Universal, V8, Set

Part Number: MOR-73801

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73810

Moroso Ultra 40 Race Ignition Wire Sets 73810

Moroso Ultra 40 Race Ignition Wire Sets 73810

Spark Plug Wires, Ultra 40 Race, Spiral Core, 8.65mm, Red, 90 Degree Boots, V8, Set

Part Number: MOR-73810

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73842

Moroso Ultra 40 Race Ignition Wire Sets 73842

Moroso Ultra 40 Race Ignition Wire Sets 73842

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, Chevy, Small Block, Jesel Front Drive Distributor, Set

Part Number: MOR-73842

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73848

Moroso Ultra 40 Race Ignition Wire Sets 73848

Moroso Ultra 40 Race Ignition Wire Sets 73848

Spark Plug Wires, Ultra 40 Race, Spiral Core, 7mm, Black, Sleeved, 45 Degree Boots, Chevy, V8, 6.2L, Set

Part Number: MOR-73848

Not Yet Reviewed

Estimated Ship Date: Today

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Moroso Ultra 40 Race Ignition Wire Sets 73600

Moroso Ultra 40 Race Ignition Wire Sets 73600

Moroso Ultra 40 Race Ignition Wire Sets 73600

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, 90 Degree Boots, GM/Studebaker, V8, Set

Part Number: MOR-73600

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73845

Moroso Ultra 40 Race Ignition Wire Sets 73845

Moroso Ultra 40 Race Ignition Wire Sets 73845

Spark Plug Wire Sets, Ultra 40 Race Ignition Wires, Assembled, Coil Pack, Spiral Core, Black, 8.65mm Diameter, Chevrolet, Small Block LS, Set

Part Number: MOR-73845

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73832

Moroso Ultra 40 Race Ignition Wire Sets 73832

Moroso Ultra 40 Race Ignition Wire Sets 73832

Spark Plug Wire Sets, Ultra 40 Race Ignition Wires, Assembled, Male/HEI, Spiral Core, Black, Fits GM HEI Crab-style Cap Only, Chevrolet, GMC, V8, Set

Part Number: MOR-73832

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Race Ignition Wire Sets 73825

Moroso Ultra 40 Race Ignition Wire Sets 73825

Moroso Ultra 40 Race Ignition Wire Sets 73825

Spark Plug Wires, Ultra 40 Race, Assembled, Spiral Core, 8.65mm, Black, Chevy, GMC, Small Block, Set

Part Number: MOR-73825

Not Yet Reviewed

Estimated Ship Date: Jul 18, 2025 if ordered today

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Estimated Ship Date: Jul 18, 2025 if ordered today

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