1966 Spark Plug Wire Sets

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 )

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Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, Chevy, Big Block, Wires under Header, Set

Part Number: MOR-73729

4.71 out of 5 stars ( 14 )

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Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, 45 Degree Boots, Ford, 289/302, Set

Part Number: MOR-73675

4.5 out of 5 stars ( 12 )

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Spark Plug Wires, Ultra 40 Unsleeved Custom-Fit, Assembled, Spiral Core, 8.65mm, Black, Ford, 289, 302, Set

Part Number: MOR-73718

3.5 out of 5 stars ( 4 )

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Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, 135 Degree Boots, Ford, Mercury, 289/302, Set

Part Number: MOR-73630

4.67 out of 5 stars ( 3 )

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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 )

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Spark Plug Wire Set, Spiral Core, Male/HEI, 8.65mm, Blue Wires, Black Boots, 90 degree Spark Plug Boots, Chevrolet, Small Block, Set

Part Number: MLL-BPP28893

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

Part Number: MOR-73824

5.0 out of 5 stars ( 1 )

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Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, Mopar, Early Hemi, Set

Part Number: MOR-73841

3.5 out of 5 stars ( 4 )

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Spark Plug Wires, Ultra 40 Unsleeved Custom-Fit, Assembled, Spiral Core, 8.65mm, Red, Ford, 289, 302, Set

Part Number: MOR-73696

5.0 out of 5 stars ( 1 )

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Spark Plug Wires, Ultra 40 Race, Assembled, Male/HEI, Spiral Core, 8.65mm, 90/135 Degree, Black, Ford, 4.7L, 4.8L, 5.0L, Set

Part Number: MOR-73833

5.0 out of 5 stars ( 1 )

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Spark Plug Wires, Ultra 40 Unsleeved Custom-Fit, Assembled, Spiral Core, 8.65mm, Black, Ford, 289, 302, Set

Part Number: MOR-73719

5.0 out of 5 stars ( 2 )

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Ultra 40 Race Wire; Unsleeved, Ford 289-302; HEI Style Cap, Red, Set

Part Number: MOR-73695

5.0 out of 5 stars ( 2 )

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Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, Chevy, Big Block, Wires over Valve Cover, Set

Part Number: MOR-73728

4.79 out of 5 stars ( 14 )

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Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, 45 Degree Boots, Ford, 289/302, Set

Part Number: MOR-73676

4.77 out of 5 stars ( 13 )

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

Part Number: MOR-73821

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

Part Number: MOR-73843

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

Part Number: MOR-73842

4.5 out of 5 stars ( 2 )

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Spark Plug Wires, Ultra 40, Assembled, Spiral Core, 8.65mm, Red, Socket, 90 degree, Chevy, Big Block, Set

Part Number: MOR-73690

5.0 out of 5 stars ( 1 )

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Spark Plug Wire Sets, Ultra 40 Race Ignition Wire Sets, Assembled, Male/HEI, Spiral Core, Blue Wires, 8.65mm Diameter, Ford, Mercury, 4.7L, 5.0L, Set

Part Number: MOR-73631

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Estimated Ship Date: Mar 12, 2026 if ordered today

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

Part Number: MOR-73825

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Spark Plug Wires, Ultra 40 Unsleeved Custom-Fit, Assembled, Spiral Core, 8.65mm, Black, Chevy, Small Block, Set

Part Number: MOR-73708

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Estimated Ship Date: Mar 12, 2026 if ordered today

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

Part Number: MOR-73605

5.0 out of 5 stars ( 1 )

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

Part Number: MOR-73600

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

Part Number: MOR-73614

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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