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FAST FireWire Spark Plug Wire Sets

4.73 out of 5 stars 11 Customer Reviews

With a rating of 25 ohms per foot, FAST FireWire spark plug wires are a whopping 37 percent more efficient than the nearest competitor. These premium-grade, double-
With a rating of 25 ohms per foot, FAST FireWire spark plug wires are a whopping 37 percent more efficient than the nearest competitor. These premium-grade, double-layer, silicone-insulated wires offer unsurpassed resistance to heat and damaging fluids and enhanced protection against high-voltage breakdown. They are also ideal for street use, as their KEVLAR®-reinforced "reactive core" design filters out RFI and EMI noise that affects sound systems. Additional features include: * Unique reactive-core engineered to deliver maximum spark-gap energy to your spark plugs with today's high-output competition ignition
With a rating of 25 ohms per foot, FAST FireWire spark plug wires are a whopping 37 percent more efficient than the nearest competitor. These premium-grade, double-layer, silicone-insulated wires offer unsurpassed resistance to heat and damaging fluids and enhanced protection against high-voltage breakdown. They are also ideal for street use, as their KEVLAR®-reinforced "reactive core" design filters out RFI and EMI noise that affects sound systems. Additional features include: * Unique reactive-core engineered to deliver maximum spark-gap energy to your spark plugs with today's high-output competition ignitions * Filter out RFI and EMI (RFI/EMI pulsings confuse onboard engine control computers, audio systems, and other electronic devices) * Very low 25 ohm resistance ensures maximum spark-gap energy is delivered to the spark plugs * Complete, assembled, and ready to install!

Results 1 - 14 of 14

Spark Plug Wires, FireWire, Reactive Core, 8.5mm, Black, 135 Degree Boots, Universal, V8, Set

Part Number: FST-255-0083

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Spark Plug Wires, FireWire, 8.5mm, Black, 90 Degree Plug Boot, Universal, V8, Set

Part Number: FST-295-0082

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Spark Plug Wires, FireWire, 8.5mm, Black, Straight Plug Boot, Universal, V8, Set

Part Number: FST-295-0081

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Spark Plug Wires, FireWire, Male/HEI, Gray, Silicone, Sprial Core, GM USAR Pro Cup, Set

Part Number: FST-295-2401

Not Yet Reviewed

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Spark Plug Wires, FireWire, Reactive Core, 8.5mm, Black, Straight Boots, Universal, L8/V8, Set

Part Number: FST-255-0081

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Spark Plug Wires, FireWire, Reactive Core, 8.5mm., Black, 90 Degree Boots, Under Header Design, SBC, Set

Part Number: FST-255-2407

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Spark Plug Wires, FireWire, 8.5mm, Black, 45 Degree Plug Boot, Universal, V8, Set

Part Number: FST-295-0083

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Spark Plug Wires, FireWire, Reactive Core, 8.5mm., Black, 135 Degree Boots, Ford/Mercury, Ford, Small Block, Set

Part Number: FST-255-2426

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Spark Plug Wires, FireWire, Reactive Core, 8.5mm, Black, Straight Boots, Universal, L6/V6, Set

Part Number: FST-255-0061

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Spark Plug Wires, FireWire, Male/HEI, Gray, Silicone, Spiral Core, GM 602, Sprint Car, Set

Part Number: FST-255-2404

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Spark Plug Wires, FireWire, Reactive Core, 8.5mm, Black, Stock Boots, Chevy, Small Block, LS1, Set

Part Number: FST-255-2419

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Spark Plug Wires, FireWire, Male/HEI, Gray, Silicone, Spiral Core, Chevy, Big Block, Under-Header Design, Set

Part Number: FST-295-2416

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Spark Plug Wires, FireWire, Male/HEI, Gray, Silicone, Spiral Core, GM, Gen V, LT-1, Set

Part Number: FST-255-2421

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Spark Plug Wires, FireWire, Reactive Core, 8.5mm, Black, Straight Boots, Universal, L4/V4, Set

Part Number: FST-255-0041

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

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