Taylor Cable 74658 8mm Spiro-Pro Custom Spark Plug Wires 8 cyl blue

Taylor Cable 74658 8mm Spiro-Pro Custom Spark Plug Wires 8 cyl blue

Part Number: 74658 / UPC 088197746581
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Features & Benefits

  • 350 ohms per foot
  • 8.0mm Outer Silicone Jacket
  • Silicone inner core provides added heat protection and superior flexibility throughout its lifetime
  • Highly conductive stainless steel spiral wound core
  • 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. 8mm Spiro Pro Wire is the top choice of racers and enthusiasts due to its affordable value and overall high-performance features. Spiro Pro 8mm or 10.9mm wires feature 350 ohms per foot with the signature Taylor Cable boot for the street or the track.


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 74658 8mm Spiro-Pro Custom Spark Plug Wires 8 cyl blue

Taylor Cable 74658 8mm Spiro-Pro Custom Spark Plug Wires 8 cyl blue

Part Number: 74658 / UPC 088197746581
Regular price $86.95
Sale price $86.95 Regular price

Part Number: 74658 / UPC 088197746581
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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

  • 350 ohms per foot
  • 8.0mm Outer Silicone Jacket
  • Silicone inner core provides added heat protection and superior flexibility throughout its lifetime
  • Highly conductive stainless steel spiral wound core
  • 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. 8mm Spiro Pro Wire is the top choice of racers and enthusiasts due to its affordable value and overall high-performance features. Spiro Pro 8mm or 10.9mm wires feature 350 ohms per foot with the signature Taylor Cable boot for the street or the track.


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 1997 Ford F-250 HD
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1987-1988 Ford LTD Crown Victoria Base
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1987-1988 Ford LTD Crown Victoria S
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1987-1988 Ford LTD Crown Victoria LX
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1985-1996 Ford Bronco
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986-1996 Ford Bronco
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1987-1988 Ford Country Squire
Notes

Year / Make / Model 1984-1985 Ford LTD Base
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1985 Ford LTD Country Squire
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1985 Ford LTD Brougham
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1985 Ford LTD Crown Victoria
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1985 Ford LTD LX Brougham
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986 Ford LTD Crown Victoria
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986 Ford LTD Country Squire
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986 Ford LTD Country Squire LX
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986 Ford LTD Crown Victoria LX
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1985-1996 Ford E-150 Econoline
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986-1996 Ford E-150 Econoline
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1985-1996 Ford E-150 Econoline Club Wagon
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986-1996 Ford E-150 Econoline Club Wagon
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1985-1991 Ford E-250 Econoline
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986-1996 Ford E-250 Econoline
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1986-1991 Ford E-250 Econoline Club Wagon
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1986-1996 Ford E-350 Econoline
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1986-1996 Ford E-350 Econoline Club Wagon
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1985-1989 Ford F-150
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1991-1992 Ford F-150
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1996 Ford F-150
Engine Type V8
Engine Size(s) Liters: 5.0, 5.8
Cubic Inches: 302, 351
Notes

Year / Make / Model 1986-1992 Ford F-150
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1993-1995 Ford F-150 XL
Engine Type V8
Engine Size(s) Liters: 5.0, 5.8
Cubic Inches: 302, 351
Notes

Year / Make / Model 1993-1995 Ford F-150 XLT
Engine Type V8
Engine Size(s) Liters: 5.0, 5.8
Cubic Inches: 302, 351
Notes

Year / Make / Model 1995 Ford F-150 Special
Engine Type V8
Engine Size(s) Liters: 5.0, 5.8
Cubic Inches: 302, 351
Notes

Year / Make / Model 1995 Ford F-150 Eddie Bauer
Engine Type V8
Engine Size(s) Liters: 5.0, 5.8
Cubic Inches: 302, 351
Notes

Year / Make / Model 1985-1996 Ford F-250
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986-1996 Ford F-250
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1986-1990 Ford F-350
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1992-1997 Ford F-350
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1991 Ford F-350 Custom
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1991 Ford F-350 XL
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1991 Ford F-350 XLT Lariat
Engine Type V8
Engine Size(s) Liters: 5.8
Cubic Inches: 351
Notes

Year / Make / Model 1984-1985 Ford Mustang LX
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1985 Ford Mustang GT
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984 Ford Mustang GT-350 20th Anniversary
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984 Ford Mustang L
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986-1989 Ford Mustang GT
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1991-1993 Ford Mustang GT
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986-1989 Ford Mustang LX
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1991-1993 Ford Mustang LX
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1990 Ford Mustang
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1993 Ford Mustang SVT Cobra
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1993 Ford Mustang SVT Cobra R
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1988 Ford Thunderbird Base
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1988 Ford Thunderbird LX
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1988 Ford Thunderbird Sport
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1986 Ford Thunderbird Elan
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1985 Ford Thunderbird Fila
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1985 Lincoln Continental
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986-1987 Lincoln Continental
Notes

Year / Make / Model 1984 Lincoln Mark VII
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1985 Lincoln Mark VII Base
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1987 Lincoln Mark VII Base
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1985 Lincoln Mark VII Bill Blass
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1987 Lincoln Mark VII Bill Blass
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1985 Lincoln Mark VII Versace
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986 Lincoln Mark VII
Notes

Year / Make / Model 1988 Lincoln Mark VII Bill Blass
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1989-1992 Lincoln Mark VII LSC
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1985 Lincoln Town Car
Notes

Year / Make / Model 1984-1985 Mercury Capri RS
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984 Mercury Capri RS
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1985 Mercury Capri RS
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1986 Mercury Capri 5.0
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1987-1988 Mercury Colony Park
Notes

Year / Make / Model 1984-1988 Mercury Grand Marquis LS
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1986 Mercury Grand Marquis Colony Park
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1986 Mercury Grand Marquis Base
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1987-1988 Mercury Grand Marquis GS
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1987 Mercury Cougar LS
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1984-1986 Mercury Cougar Base
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1987 Mercury Cougar XR-7
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

Year / Make / Model 1988 Mercury Cougar
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 302
Notes

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