Taylor Cable 74607 8mm Spiro-Pro Custom Spark Plug Wires 8 cyl blue

Taylor Cable 74607 8mm Spiro-Pro Custom Spark Plug Wires 8 cyl blue

Part Number: 74607 / UPC 088197746079
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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 74607 8mm Spiro-Pro Custom Spark Plug Wires 8 cyl blue

Taylor Cable 74607 8mm Spiro-Pro Custom Spark Plug Wires 8 cyl blue

Part Number: 74607 / UPC 088197746079
Regular price $86.95
Sale price $86.95 Regular price

Part Number: 74607 / UPC 088197746079
Does This part fit My vehicle?
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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 1978 Buick Century Sport
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978 Buick Century Special
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978 Buick Century Limited
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978 Buick Century Custom
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1979 Buick Century Custom
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1979 Buick Century Special
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1980 Buick Century Limited
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1980 Buick Century Estate
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1980 Buick Century Base
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1981-1985 Chevrolet C10
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1981 Chevrolet C10
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1982 Chevrolet C10
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1985-1986 Chevrolet C10
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1983-1984 Chevrolet C10
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1986 Chevrolet C10
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1981-1982 Chevrolet C10 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1981-1986 Chevrolet C20
Engine Type V8
Engine Size(s) Cubic Inches: 305, 350
Notes

Year / Make / Model 1981 Chevrolet C20 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1982 Chevrolet C20 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1983-1986 Chevrolet C30
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1983 Chevrolet Camaro Sport
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1986 Chevrolet Camaro Sport
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1983 Chevrolet Camaro Berlinetta
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1986 Chevrolet Camaro Berlinetta
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1983 Chevrolet Camaro Z28
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1984 Chevrolet Camaro Z28
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1984 Chevrolet Camaro Sport
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1984 Chevrolet Camaro Berlinetta
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1986 Chevrolet Camaro Iroc-Z
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1986 Chevrolet Camaro Z28
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1980-1982 Chevrolet Caprice
Engine Type V8
Engine Size(s) Cubic Inches: 267
Notes

Year / Make / Model 1980-1981 Chevrolet Caprice
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1983-1984 Chevrolet Caprice
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1986 Chevrolet Caprice
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1985 Chevrolet Caprice Classic
Engine Type V8
Engine Size(s) Cubic Inches: 305, 350
Notes

Year / Make / Model 1978-1979 Chevrolet El Camino SS
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978-1979 Chevrolet El Camino Base
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978 Chevrolet El Camino Conquista
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1979 Chevrolet El Camino Royal Knight
Engine Type V8
Engine Size(s) Cubic Inches: 267, 305, 350
Notes

Year / Make / Model 1979 Chevrolet El Camino Base
Engine Type V8
Engine Size(s) Cubic Inches: 267, 350
Notes

Year / Make / Model 1979 Chevrolet El Camino SS
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1980-1985 Chevrolet El Camino
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1980-1981 Chevrolet El Camino
Engine Type V8
Engine Size(s) Cubic Inches: 267
Notes

Year / Make / Model 1981-1982 Chevrolet Impala
Engine Type V8
Engine Size(s) Cubic Inches: 267
Notes

Year / Make / Model 1981 Chevrolet Impala
Engine Type V8
Engine Size(s) Cubic Inches: 305, 350
Notes

Year / Make / Model 1983-1985 Chevrolet Impala
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1981-1986 Chevrolet K10
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1981 Chevrolet K10
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1984 Chevrolet K10
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1986 Chevrolet K10
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1982-1983 Chevrolet K10
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1985 Chevrolet K10
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1981-1982 Chevrolet K10 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1981-1986 Chevrolet K20
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1985 Chevrolet K20
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1981 Chevrolet K20 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1982 Chevrolet K20 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1983-1986 Chevrolet K30
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1978 Chevrolet Malibu Classic Estate
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978 Chevrolet Malibu Classic Landau
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978 Chevrolet Malibu Base
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978 Chevrolet Malibu Classic
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1979-1981 Chevrolet Malibu
Engine Type V8
Engine Size(s) Cubic Inches: 267, 305
Notes

Year / Make / Model 1983 Chevrolet Malibu
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1979 Chevrolet Malibu
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1981 Chevrolet Malibu
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1978-1981 Chevrolet Monte Carlo
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1979-1981 Chevrolet Monte Carlo
Engine Type V8
Engine Size(s) Cubic Inches: 267
Notes

Year / Make / Model 1983-1984 Chevrolet Monte Carlo SS
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1983-1984 Chevrolet Monte Carlo Base
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1983 Chevrolet Monte Carlo CL
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1985-1986 Chevrolet Monte Carlo Base
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1986 Chevrolet Monte Carlo LS
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1981-1986 GMC C1500
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1981 GMC C1500
Engine Type V8
Engine Size(s) Cubic Inches: 305, 350
Notes

Year / Make / Model 1985-1986 GMC C1500
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1982-1984 GMC C1500
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1981-1982 GMC C1500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1981-1986 GMC C2500
Engine Type V8
Engine Size(s) Cubic Inches: 305, 350
Notes

Year / Make / Model 1981-1982 GMC C2500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1983-1986 GMC C3500
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1986 GMC C3500
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1981-1986 GMC K1500
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1981-1984 GMC K1500
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1986 GMC K1500
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1985 GMC K1500
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1981 GMC K1500 Suburban
Notes

Year / Make / Model 1982 GMC K1500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1981-1986 GMC K2500
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1981-1982 GMC K2500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1983-1986 GMC K3500
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1978-1986 GMC Caballero
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1979-1980 GMC Caballero
Engine Type V8
Engine Size(s) Cubic Inches: 267
Notes

Year / Make / Model 1982 GMC Caballero
Engine Type V8
Engine Size(s) Cubic Inches: 267
Notes

Year / Make / Model 1978-1980 Oldsmobile Cutlass Calais
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978-1980 Oldsmobile Cutlass
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978-1979 Oldsmobile Cutlass Salon Brougham
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978-1979 Oldsmobile Cutlass Salon Base
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978 Oldsmobile Cutlass Salon 442
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1980 Oldsmobile Cutlass Salon
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1980 Oldsmobile Cutlass Cruiser
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1982 Oldsmobile Cutlass Cruiser
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978 Oldsmobile Cutlass Supreme Base
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1978 Oldsmobile Cutlass Supreme Brougham
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1979-1980 Oldsmobile Cutlass Supreme
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1983-1984 Pontiac Bonneville
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1983 Pontiac Firebird Trans Am
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1986 Pontiac Firebird Trans Am
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1983 Pontiac Firebird S/E
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1986 Pontiac Firebird S/E
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1983 Pontiac Firebird Base
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1986 Pontiac Firebird Base
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1984 Pontiac Firebird Trans Am
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1984 Pontiac Firebird Base
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1984 Pontiac Firebird S/E
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1979-1980 Pontiac Grand LeMans Base
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1979-1980 Pontiac Grand LeMans Safari
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1979 Pontiac Grand LeMans Safari
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes

Year / Make / Model 1979-1980 Pontiac Grand Prix
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1983-1984 Pontiac Grand Prix
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1979 Pontiac LeMans Base
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1979 Pontiac LeMans Safari
Engine Type V8
Engine Size(s) Cubic Inches: 305, 350
Notes

Year / Make / Model 1980 Pontiac LeMans
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes

Year / Make / Model 1986 Pontiac Parisienne
Engine Type V8
Engine Size(s) Cubic Inches: 305, 307
Notes

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