Moroso Ultra 40 Ignition Wire Sets

5.0 out of 5 stars 8 Customer Reviews

Moroso offers Ultra 40 ignition wires—cost-effective versions of their race-proven wires without the heat sleeving. Sporting aluminum shields and available in a cho

Moroso offers Ultra 40 ignition wires—cost-effective versions of their race-proven wires without the heat sleeving. Sporting aluminum shields and available in a choice of wire colors, these Ultra 40 wires are an excellent choice to spark the energy you need.

Moroso Ultra 40 ignition wires feature:

* 40 ohms of resistance per foot
* Highly engineered spiral-wound conductor
* More energy to the spark plugs with less electrical interference
* Silicone jacket protects against heat, chafing, and contaminants
* Locking stainless steel terminals that fold over and crimp, stay connected, and won't vibrate loose lik

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Moroso Ultra 40 Ignition Wire Sets 73850

Spark Plug Wires, Black, 8.65mm Diameter, 135-Degree Boots, Set of 8

Part Number: MOR-73850

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Moroso Ultra 40 Ignition Wire Sets 73849

Spark Plug Wires, Black, 8.65mm Diameter, Set of 8

Part Number: MOR-73849

5.0 out of 5 stars ( 3 )

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Moroso Ultra 40 Ignition Wire Sets 73851

Spark Plug Wires, Ultra 40, Spiral Core, 7mm, Black, 9.75 in. Length, Chevy, LS, Set

Part Number: MOR-73851

Not Yet Reviewed

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Moroso Ultra 40 Ignition Wire Sets 73731

Spark Plug Wire Sets, Ultra 40, Assembled, Spiral Core, 7mm, Black, 135 degree Spark Plug Boots, Chevy, 5.3/6.2/6.6L Small Block Gen V, Set of 8

Part Number: MOR-73731

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Moroso Ultra 40 Ignition Wire Sets for 2008-2017 VIPER - 73512

Spark Plug Wire Sets, Ultra 40, Assembled, Spiral Core, 7mm, Black, Silicone Boots, Dodge, 8.4L, Set

Part Number: MOR-73512

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Moroso Ultra 40 Ignition Wire Sets 73679

Spark Plug Wires, Ultra 40, Assembled, Spiral Core, 7.00mm, Red, Chevy, Small Block LS, Set

Part Number: MOR-73679

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Moroso Ultra 40 Ignition Wire Sets 73732

Spark Plug Wire Sets, Ultra 40, Assembled, Spiral Core, 8.65mm, Black, 90 degree Spark Plug Boots, Chevrolet, Small Block LS, Set of 8

Part Number: MOR-73732

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Moroso Ultra 40 Ignition Wire Sets 73727

Spark Plug Wire Sets, Ultra 40, Assembled, Spiral Core, 7mm, Black, 135 degree Spark Plug Boots, Chevrolet, Small Block LS, Set of 8

Part Number: MOR-73727

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Moroso Ultra 40 Ignition Wire Sets 73678

Spark Plug Wire Sets, Ultra 40, Assembled, Spiral Core, 8mm, Black, Straight Boots, Chevrolet, Small Block LS, Set of 8

Part Number: MOR-73678

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Moroso Ultra 40 Ignition Wire Sets 73730

Spark Plug Wires, Ultra 40, Assembled, Spiral Core, 7.00mm, Black, Chevy, Small Block LS, Set

Part Number: MOR-73730

Not Yet Reviewed

Estimated Ship Date: Today

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Moroso Ultra 40 Ignition Wire Sets 73837

Spark Plug Wire Sets, Ultra 40, Spiral Core, 7mm, Red Wires, Straight Plug Boots, Chevrolet, Small Block LS, Small Block Gen V, Set of 8

Part Number: MOR-73837

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Moroso Ultra 40 Ignition Wire Sets 73659

Spark Plug Wires, Ultra 40, Assembled, Spiral Core, 7.00mm, Blue, Chevy, Small Block LS, Set

Part Number: MOR-73659

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

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