CHEVROLET Chevy big block Mark IV Moroso Ignitions & Electrical

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 )

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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, 90 Degree Boots, Under Header, BBC, HEI, V8, Set

Part Number: MOR-73616

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Spark Plug Wires, Ultra, BBC, Over Valve Covers, HEI, 135 Degree Plug Boots, Red, Sleeved, Set

Part Number: MOR-52542

4.5 out of 5 stars ( 2 )

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Spark Plug Wires, Ultra, BBC, Over Valve Covers, HEI, 135 Degree Plug Boots, Black, Sleeved, Set

Part Number: MOR-51542

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

Part Number: MOR-73728

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, Blue, Straight Boots, Chevy, GMC, 454, V8, Set

Part Number: MOR-73615

5.0 out of 5 stars ( 5 )

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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, BBC, Under Valve Covers, HEI, 135 Plug Boots, Black, Set

Part Number: MOR-51545

2.0 out of 5 stars ( 1 )

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Spark Plug Wires, Ultra, BBC, Under Headers, HEI, 90 Degree Plug Boots, Sleeved, Black, Set

Part Number: MOR-51543

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Spark Plug Wires, Blue Max, Spiral Core, 8mm, Blue, 90 Degree Boots, Chevy, Big Block, 454, Set

Part Number: MOR-72416

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Spark Plug Wires, Ultra 40 Unsleeved Custom-Fit, Assembled, Spiral Core, 8.65mm, Black, Chevy, 454, Set

Part Number: MOR-73712

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Ignition Coil Brackets, Stainless Steel, Natural, Coil Pack, Square Coils, Hardware Included, Sold as a Pair

Part Number: MOR-72394

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Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Red, 180 Degree Boots, Chevy, Big Block, Set

Part Number: MOR-73688

5.0 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 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 )

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Spark Plug Wires, Ultra, BBC, Under Headers, HEI, 90 Degree Plug Boots, Red, Sleeved, Set

Part Number: MOR-52543

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Spark Plug Wires, Ultra, BBC, Over Valve Covers, HEI, Straight Plug Boots, Black, Sleeved, Set

Part Number: MOR-51540

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Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Blue, 180 Degree Boots, Chevy, Big Block, Set

Part Number: MOR-73668

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Spark Plug Wires, Ultra, BBC, Under Headers, Non-HEI, 90 Degree Plug Boots, Black, Set

Part Number: MOR-51544

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Spark Plug Wires, Ultra, BBC, Over Valve Covers, Non-HEI, Straight Plug Boots, Red, Sleeved, Set

Part Number: MOR-52541

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Spark Plug Wires, Ultra, BBC, Over Valve Covers, HEI, Straight Plug Boots, Red, Sleeved, Set

Part Number: MOR-52540

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Spark Plug Wires, Ultra, BBC, Over Valve Covers, Straight Boots, Non-HEI, Black, Sleeved, Set

Part Number: MOR-51541

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Estimated Ship Date: Jan 5, 2026 if ordered today

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