Moroso Ultra Ignition Wire Sets

4.26 out of 5 stars 65 Customer Reviews

Who said high quality and high performance can't be cost effective? Moroso Ultra ignition wire sets are equal to or exceed OEM specifications, depending on the application, without the dealer prices. Moroso has more than 50 years of experience in supplying spark plug wires to the top teams of NASCAR and NHRA, as well as auto manufacturers. These sets are available in different thicknesses and colors, assembled or not, with multiple boot end angles. Some models include high temperature sleeves. Order the ignition wires recommended for your application.

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Moroso Ultra Ignition Wire Sets 51528

Spark Plug WIres, Ultra, Chevy SB, Under Header, 90 Degree Plug Boots, HEI, Sleeved, Black, Set

Part Number: MOR-51528

3.5 out of 5 stars ( 2 )

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Moroso Ultra Ignition Wire Sets 52542

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 )

Estimated Ship Date: Today

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Moroso Ultra Ignition Wire Sets 52528

Spark Plug WIres, Ultra, Chevy SB, Under Header, 90 Degree Plug Boots, HEI, Sleeved, Red, Set

Part Number: MOR-52528

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Moroso Ultra Ignition Wire Sets 51542

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

Part Number: MOR-51542

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Moroso Ultra Ignition Wire Sets 51572

Spark Plug WIres, Ultra, SBF 351W, 135 degree Plug Boots, HEI, Sleeved, Black, Set

Part Number: MOR-51572

5.0 out of 5 stars ( 2 )

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Moroso Ultra Ignition Wire Sets 51525

Spark Plug WIres, Ultra, Chevy SB, Over Valve Covers, 90 Degree Plug Boots, HEI, Sleeved, Black, Set

Part Number: MOR-51525

Not Yet Reviewed

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Moroso Ultra Ignition Wire Sets 51555

Spark Plug WIres, Ultra, SBM, Straight Plug Boots, Sleeved, HEI, Black, Set

Part Number: MOR-51555

Not Yet Reviewed

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Moroso Ultra Ignition Wire Sets 52525

Spark Plug Wires, Ultra, Chevy SB, Over Valve Covers, 90 Degree Plug Boots, HEI, Red, Set

Part Number: MOR-52525

Not Yet Reviewed

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Moroso Ultra Ignition Wire Sets 51545

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 )

Estimated Ship Date: Today

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Moroso Ultra Ignition Wire Sets 51570

Spark Plug WIres, Ultra, SBF, 135 degree Plug Boots, HEI, Sleeved, Black, Set

Part Number: MOR-51570

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Moroso Ultra Ignition Wire Sets 52532

Spark Plug Wires, Ultra, Sleeved, 7mm, Red, 90 Degree Boots, Chevy, LS, LT, Set

Part Number: MOR-52532

Not Yet Reviewed

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Moroso Ultra Ignition Wire Sets 51543

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

Part Number: MOR-51543

Not Yet Reviewed

Estimated Ship Date: Today

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Moroso Ultra Ignition Wire Sets 51529

Spark Plug WIres, Ultra, Chevy SB, Under Header, 90 Degree Plug Boots, Non-HEI, Sleeved, Black, Set

Part Number: MOR-51529

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Moroso Ultra Ignition Wire Sets 51532

Spark Plug Wires, Ultra, Sleeved, 7mm, Black, 90 Degree Boots, Chevy, LS, LT, Set

Part Number: MOR-51532

Not Yet Reviewed

Estimated Ship Date: Today

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Moroso Ultra Ignition Wire Sets 52570

Spark Plug WIres, Ultra, SBF, 135 degree Plug Boots, Non-HEI, Sleeved, Red, Set

Part Number: MOR-52570

Not Yet Reviewed

Estimated Ship Date: Today

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Moroso Ultra Ignition Wire Sets 52560

Spark Plug Wires, Ultra, BBM, Sleeved, Straight Boots, HEI, Red, Set

Part Number: MOR-52560

Not Yet Reviewed

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Moroso Ultra Ignition Wire Sets 51574

Spark Plug Wires, Ultra, Ford, HEI, 135 Degree Plug Boots, Sleeved, Black, Set

Part Number: MOR-51574

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Moroso Ultra Ignition Wire Sets 52527

Spark Plug WIres, Ultra, Chevy SB, Over Valve Cover, 135 Degree Plug Boots, HEI, Sleeved, Red, Set

Part Number: MOR-52527

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra Ignition Wire Sets 52543

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

Part Number: MOR-52543

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 Ignition Wire Sets 51540

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

Part Number: MOR-51540

Not Yet Reviewed

Estimated Ship Date: Today

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Moroso Ultra Ignition Wire Sets 51573

Spark Plug WIres, Ultra, SBF 351W, 135 degree Plug Boots, Non-HEI, Sleeved, Black, Set

Part Number: MOR-51573

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 Ignition Wire Sets 51534

Spark Plug Wires, Ultra, Sleeved, 7mm, Black, 90 Degree Boots, Chevy, LS, LT, Set

Part Number: MOR-51534

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 Ignition Wire Sets 52575

Spark Plug Wires, Ultra, Ford, Non-HEI, 135 Degree Plug Boots, Sleeved, Red, Set

Part Number: MOR-52575

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 Ignition Wire Sets 51530

Spark Plug WIres, Ultra, Chevy SB, Under Header, 135 Degree Plug Boots, HEI, Sleeved, Black, Set

Part Number: MOR-51530

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 Ignition Wire Sets 51527

Spark Plug WIres, Ultra, Chevy SB, Over Valve Covers, 135 Degree Plug Boots, HEI, Sleeved, Black, Set

Part Number: MOR-51527

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

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