MSD 8.5mm Super Conductor Spark Plug Wire Sets

4.65 out of 5 stars 1986 Customer Reviews

MSD 8.5mm Super Conductor spark plug wire sets feature a special helically wound core that has just 40-50 ohms of resistance per foot—but with an RFI suppression eq

MSD 8.5mm Super Conductor spark plug wire sets feature a special helically wound core that has just 40-50 ohms of resistance per foot—but with an RFI suppression equal to a 1,500 ohm wire. In fact, each foot of finished wire includes 40 ft. of tightly wound copper for superior conductivity. This winding procedure, combined with a ferro-magnetic impregnated center core, produces an extremely effective Electro Magnetic Interference "choke." This choke, or suppression capability, keeps the EMI inside the wire where it cannot interfere with other electronics on your vehicle.

A tough, 8.5mm synthetic/silicone jacket over an extra-heavy glass braid and dielectric insulator keeps the current guided to the plugs. Underneath the high-temperature boots, dual crimp stainless steel terminals feature snap-locks to ensure a secure fit. Each set comes with clip-on cylinder markers for easy identification. MSD's 8.5mm Super Conductor wire sets are available in custom or universal-fit applications, assembled or not, with a variety of terminal and boot end options.

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31223

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Black, 90 Degree Boots, Universal, L8/V8, Set

Part Number: MSD-31223

4.84 out of 5 stars ( 56 )

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31193

Spark Plug Wires, 8.5mm, Super Conductor, Spiral Core, Black, Multi-Angle Boots, Universal, L8/V8, Set

Part Number: MSD-31193

4.71 out of 5 stars ( 75 )

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 35599

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, 90 Degree Boots, Chevy, Small Block, V8, Set

Part Number: MSD-35599

4.55 out of 5 stars ( 199 )

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31189

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Multi-Angle Boots, Universal, L8/V8, Set

Part Number: MSD-31189

4.52 out of 5 stars ( 102 )

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 32819

Spark Plug Wires, Super Conductor, Spiral, 8.5mm, Red, Multi-Angle Boots, Chevy, LS1, Set

Part Number: MSD-32819

4.72 out of 5 stars ( 87 )

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 32813

Spark Plug Wires, Super Conductor, Spiral, 8.5mm, Black, Multi-Angle Boots, Chevy, LS1/LS2/LS4/LS6/LS7, Set

Part Number: MSD-32813

4.45 out of 5 stars ( 44 )

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31199

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Multi-Angle Boots, Universal, L8/V8, Set

Part Number: MSD-31199

4.82 out of 5 stars ( 44 )

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 35593

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Black, 90 Degree Boots, Chevy, Small Block, V8, Under Headers, Set

Part Number: MSD-35593

4.38 out of 5 stars ( 37 )

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31183

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Black, Multi-Angle Boots, Universal, L8/V8, Set

Part Number: MSD-31183

4.9 out of 5 stars ( 30 )

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31229

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, 90 Degree Boots, Universal, L8/V8, Set

Part Number: MSD-31229

4.87 out of 5 stars ( 69 )

Estimated Ship Date: Today

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 32073

Spark Plug Wires, Super Conductor, Cut To Fit, Spiral Core, 8.5mm, Black, Chevrolet, V8, LS, Set

Part Number: MSD-32073

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31359

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, 90 Degree Boots, Chevy, GMC, V8, Set

Part Number: MSD-31359

4.75 out of 5 stars ( 59 )

Estimated Ship Date: Today

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31179

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Multi-Angle Boots, Universal, L6/V6, Set

Part Number: MSD-31179

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Today

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 32079

Spark Plug Wires, Super Conductor, Cut To Fit, Spiral Core, 8.5mm, Red, Chevy, V8, LS, Set

Part Number: MSD-32079

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31353

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Black, 90 Degree Boots, Chevy/GMC, Small Block, V8, Set

Part Number: MSD-31353

4.15 out of 5 stars ( 13 )

Estimated Ship Date: Today

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MSD 8.5mm Super Conductor Spark Plug Wire Sets for 1993-1996 CAMARO, 1996-1997 FIREBIRD - 32149

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, 90 Degree Boots, Chevy, Pontiac, 5.7L, Set

Part Number: MSD-32149

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Today

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31159

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Multi-Angle Boots, Universal, L4, Set

Part Number: MSD-31159

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 32129

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Straight Boots, Chevy, LT1, Set

Part Number: MSD-32129

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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MSD 8.5mm Super Conductor Spark Plug Wire Sets for 1993-1996 CAMARO, 1996-1997 FIREBIRD - 32143

Spark Plug Wires, Super Conductor, Spiral, 8.5mm, Black, 90 Degree Boots, Chevy, Pontiac, 5.7L, Set

Part Number: MSD-32143

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ 88 Series 50 Ohm 8.5mm Ignition Wires for 1993-1997 CAMARO, FIREBIRD - SUM-887825

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Today

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MSD 8.5mm Super Conductor Spark Plug Wire Sets for 1982-1983 CAMARO, FIREBIRD, 1982 CAPRICE - 31409

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Multi-Angle Boots, GM, V8, Set

Part Number: MSD-31409

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

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