Taylor Cable 84663 8.2mm Thundervolt Custom Spark Plug Wires 8 cyl blue

Taylor Cable 84663 8.2mm Thundervolt Custom Spark Plug Wires 8 cyl blue

Part Number: 84663
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Features & Benefits

  • 40 ohms per foot
  • 8.0 mm Outer Silicone Jacket
  • Highly conductive stainless steel spiral wound core
  • Silicone inner core provides added heat protection and superior flexibility throughout its lifetime.
  • Superior RFI / EMI suppression for applications with CD or electronic ignitions, on board computers, stereos or pit radios

Custom Spark Plug Wire Sets are duplicates of your OE wire set. Each wire is cut to length and booted to match your original wires. ThunderVolt wires offer 40 ohms per foot with a silicone inner core that provides added heat protection.


For over 90 years, Taylor Cable Products have been the top choice of racers and enthusiasts for its value and high-performance features. Taylor Cable is an icon of quality and customer satisfaction in the automotive performance and racing markets. We are proud to have our Ignition Wire Sets firing some of the fastest race and street vehicles in the world.

Installation instructions

Instruction Manual
Installation Instructions

Download PDF

Shipping & Delivery

Our ignition and exhaust products ship from our warehouse in Lenexa, KS. Our normal shipping time is 2-3 business days for in-stock parts.

 Shipping Class Order Value Shipping Cost
UPS Ground $0 - 49.99 $6.99 flat rate
UPS Ground $50 - 98.99 $7.49 flat rate
UPS Ground $99+ Free

  • At this time, PerTronix does not offer expedited shipping options from our website.

  • All packages must be inspected upon receipt for any missing or damaged goods and claims for such must be made within 7 days of receipt.

  • PerTronix does not currently ship our products internationally from our web store. For international orders call 909-599-5955 or connect with us here.

  • Once an item has tracking info, it cannot be cancelled. If you decide you don’t want the items after shipment, please take receipt of the item and process it via our return policy. Thank you for understanding!

Returns, Replacements & Warranty

Returns at Pertronix are accepted within 90 days of purchase with prior authorization, ensuring items are in new, resalable condition. To initiate a return, call for an RGA and follow provided instructions. Customers are responsible for return shipping, using a trackable method.

Refunds exclude initial shipping and handling fees and may be subject to a restocking fee. For defective or damaged items, contact Pertronix directly. We are not responsible for user-initiated damage/loss of parts.

For complete details, visit our Returns page.

Warranty

  • Taylor Spiro Pro, ThunderVolt, StreetThunder and High Energy Spark Plug Wires - Lifetime

Limited Warranty

PerTronix, LLC warrants to the original Purchaser that its products shall be free from defects in material and workmanship for a period, as specified above, from the day of purchase. This warranty covers the replacement/repair of the product only and does not cover the cost of removal and installation.

Should a part become defective it should be returned to the original selling retailer and must be accompanied with the sales receipt.
If there is no retailer in your area, call the factory for a return authorization and return your part prepaid to the factory for inspection. The manufacturer reserves the right to replace or repair the alleged defective part and return the part freight collect.

Reviews

Taylor Cable 84663 8.2mm Thundervolt Custom Spark Plug Wires 8 cyl blue

Taylor Cable 84663 8.2mm Thundervolt Custom Spark Plug Wires 8 cyl blue

Part Number: 84663
Regular price $93.95
Sale price $93.95 Regular price

Part Number: 84663
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Need help? Call us at 909-599-5955

  • Free shipping on $99+ orders in lower 48 states
  • 90-day return policy
  • We’re here to help! Call us on 909-599-5955

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Features & Benefits

  • 40 ohms per foot
  • 8.0 mm Outer Silicone Jacket
  • Highly conductive stainless steel spiral wound core
  • Silicone inner core provides added heat protection and superior flexibility throughout its lifetime.
  • Superior RFI / EMI suppression for applications with CD or electronic ignitions, on board computers, stereos or pit radios

Custom Spark Plug Wire Sets are duplicates of your OE wire set. Each wire is cut to length and booted to match your original wires. ThunderVolt wires offer 40 ohms per foot with a silicone inner core that provides added heat protection.


For over 90 years, Taylor Cable Products have been the top choice of racers and enthusiasts for its value and high-performance features. Taylor Cable is an icon of quality and customer satisfaction in the automotive performance and racing markets. We are proud to have our Ignition Wire Sets firing some of the fastest race and street vehicles in the world.

Installation instructions

Instruction Manual
Installation Instructions

Download PDF

Shipping & Delivery

Our ignition and exhaust products ship from our warehouse in Lenexa, KS. Our normal shipping time is 2-3 business days for in-stock parts.

 Shipping Class Order Value Shipping Cost
UPS Ground $0 - 49.99 $6.99 flat rate
UPS Ground $50 - 98.99 $7.49 flat rate
UPS Ground $99+ Free

  • At this time, PerTronix does not offer expedited shipping options from our website.

  • All packages must be inspected upon receipt for any missing or damaged goods and claims for such must be made within 7 days of receipt.

  • PerTronix does not currently ship our products internationally from our web store. For international orders call 909-599-5955 or connect with us here.

  • Once an item has tracking info, it cannot be cancelled. If you decide you don’t want the items after shipment, please take receipt of the item and process it via our return policy. Thank you for understanding!

Returns, Replacements & Warranty

Returns at Pertronix are accepted within 90 days of purchase with prior authorization, ensuring items are in new, resalable condition. To initiate a return, call for an RGA and follow provided instructions. Customers are responsible for return shipping, using a trackable method.

Refunds exclude initial shipping and handling fees and may be subject to a restocking fee. For defective or damaged items, contact Pertronix directly. We are not responsible for user-initiated damage/loss of parts.

For complete details, visit our Returns page.

Warranty

  • Taylor Spiro Pro, ThunderVolt, StreetThunder and High Energy Spark Plug Wires - Lifetime

Limited Warranty

PerTronix, LLC warrants to the original Purchaser that its products shall be free from defects in material and workmanship for a period, as specified above, from the day of purchase. This warranty covers the replacement/repair of the product only and does not cover the cost of removal and installation.

Should a part become defective it should be returned to the original selling retailer and must be accompanied with the sales receipt.
If there is no retailer in your area, call the factory for a return authorization and return your part prepaid to the factory for inspection. The manufacturer reserves the right to replace or repair the alleged defective part and return the part freight collect.

Reviews

Applications

Year / Make / Model 1977-1980 Chevrolet C10
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1980 Chevrolet C10
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1977-1980 Chevrolet C10 Suburban
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1977-1980 Chevrolet C20
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1982-1983 Chevrolet C20
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1986 Chevrolet C20
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1980 Chevrolet C20
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1977-1980 Chevrolet C20 Suburban
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1982 Chevrolet C20 Suburban
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1986 Chevrolet C20 Suburban
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1980 Chevrolet C20 Suburban
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1977-1980 Chevrolet C30
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1982-1983 Chevrolet C30
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1986 Chevrolet C30
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1980 Chevrolet G20
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1980 Chevrolet G30
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1980 Chevrolet K10
Engine Type V8
Engine Size(s) Liters: 6.6, 7.4
Cubic Inches: 400, 454
Notes

Year / Make / Model 1977-1978 Chevrolet K20
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1980 Chevrolet K20
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1980 Chevrolet K20 Suburban
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1977 Chevrolet K30
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1980 Chevrolet K30
Engine Type V8
Engine Size(s) Liters: 6.6, 7.4
Cubic Inches: 400, 454
Notes

Year / Make / Model 1982-1983 Chevrolet K30
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1986 Chevrolet K30
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1979 Chevrolet P20
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1977-1983 Chevrolet P30
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1985-1986 Chevrolet P30
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1979-1980 GMC C1500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1980 GMC C1500
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1979-1980 GMC C1500 Suburban
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1979-1980 GMC C2500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1982-1983 GMC C2500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1986 GMC C2500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1979 GMC C2500 Suburban
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1982 GMC C2500 Suburban
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1986 GMC C2500 Suburban
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1980 GMC C2500 Suburban
Engine Type V8
Engine Size(s) Liters: 6.6, 7.4
Cubic Inches: 400, 454
Notes

Year / Make / Model 1979-1980 GMC C3500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1982-1983 GMC C3500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1986 GMC C3500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1979-1980 GMC K1500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1980 GMC K1500
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1980 GMC K2500
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1980 GMC K2500 Suburban
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1979-1980 GMC K3500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1982-1983 GMC K3500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1986 GMC K3500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1980 GMC K3500
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1977-1978 GMC C15
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1977-1978 GMC C15 Suburban
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1976-1978 GMC C25 Sierra Classic
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1976-1978 GMC C25 Sierra Grande
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1977-1978 GMC C25 High Sierra
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1977-1978 GMC C25 Base
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1976 GMC C25 Suburban
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1977 GMC C25 Suburban
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1978 GMC C25 Suburban Base
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1977-1978 GMC C35
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1980 GMC G2500
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1980 GMC G3500
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1977-1979 GMC Jimmy
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1977-1978 GMC K25
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1976-1977 GMC K25 Suburban
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1979 GMC P1500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1977-1978 GMC P35
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1979 GMC P3500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1981-1983 GMC P3500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1985-1986 GMC P3500
Engine Type V8
Engine Size(s) Liters: 7.4
Cubic Inches: 454
Notes

Year / Make / Model 1978-1979 Ford Bronco
Engine Type V8
Engine Size(s) Liters: 5.8, 6.6
Cubic Inches: 351, 400
Notes

Year / Make / Model 1982 Ford E-250 Econoline Club Wagon
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1982 Ford E-350 Econoline
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1982 Ford E-350 Econoline Club Wagon
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1977-1979 Ford F-100
Engine Type V8
Engine Size(s) Liters: 5.8, 6.6
Cubic Inches: 351, 400
Notes

Year / Make / Model 1977-1979 Ford F-150
Engine Type V8
Engine Size(s) Liters: 5.8, 6.6
Cubic Inches: 351, 400
Notes

Year / Make / Model 1977-1979 Ford F-250
Engine Type V8
Engine Size(s) Liters: 5.8, 6.6
Cubic Inches: 351, 400
Notes

Year / Make / Model 1982 Ford F-250
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

Year / Make / Model 1977-1979 Ford F-350
Engine Type V8
Engine Size(s) Liters: 5.8, 6.6
Cubic Inches: 351, 400
Notes

Year / Make / Model 1982 Ford F-350
Engine Type V8
Engine Size(s) Liters: 6.6
Cubic Inches: 400
Notes

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