Mercury Custom Optional Spark Plug Wires

Your Mercury Custom will be happy to know that the search for the right Optional Spark Plug Wires you’ve been looking for is over! Advance Auto Parts has 3 different Optional Spark Plug Wires for your vehicle, ready for shipping or in-store pick up. The best part is, our Mercury Custom Optional Spark Plug Wires start from as little as $82.99.

When it comes to your Mercury Custom, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Optional Spark Plug Wires brands so you can shop with complete confidence. Some of our top Optional Spark Plug Wires brands are PerTronix and Mallory. We’re sure you will get the right product to keep that Custom running for a long time.

We even have reviews of our OEM and aftermarket Optional Spark Plug Wires products to help you buy with confidence. Hear from other customers via the 15 reviews on parts for your Mercury Custom.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Optional Spark Plug Wires for your Custom, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 8 Mercury Optional Spark Plug Wires

MSD Ignition – Wire Set; Super Conductor; Multi-Angle Plug; Socket/HEI (Part No.31179)

Wire Set; Super Conductor; Multi-Angle Plug; Socket/HEI

from

$143.99
Set includes terminals for engines with early type (socket) and late type (HEI spark plug top) distributor caps. 90 degree boots and terminals factory installed on one end.

Product Features:
  • Extra Long 8.5mm Wires So You Can Cut To Your Designed Length
  • Incl. both socket-style and spark plug-style boots and terminals
  • Includes Mini-Stripper-Crimper For Factory Style Crimps
  • Size Includes [6] 90 Deg. Boots/Terminals
  • Durable outer sleeve is a proprietary compound for resistance to high heat or abrasion
  • Stainless steel terminals feature dual crimp tabs to grip wire conductor and outer jacket separately
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Mallory – Mallory Prosidewinder 135F Univ/Wire Set (Part No.947)

Mallory Prosidewinder 135F Univ/Wire Set

from

$153.99
Features at a glance, low 300 Ohm resistance spiral core delivers high energy output for maximum spark at the plug. Great RFI suppression meets the demands of today’s on-board electronics, such as electronic ignition, sound systems, and computer controls. 8MM ozone-resistant red silicone jacket repels water, oil, grease, and fuel, and withstands temperatures up to 500 degrees. Fits V8, universal wire kit: includes 45 degree spark plug boots, female socket (standard) distributor boots and terminals.

Product Features:
  • Most Advanced Wire By Mallory
  • RFI Suppression
  • High Temperature Silicone Jacket
  • Withstands Over 500+F
  • Come In Ready To Use Kits
  • Extra Long Kits
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MSD Ignition – Wire Set; Street Fire; Multi-Angle plug; HEI; Universal (Part No.5550)

Wire Set; Street Fire; Multi-Angle plug; HEI; Universal

from

$72.39
The street fire spark plug wires feature a low resistance conductor that’s wrapped in a sleek and durable black sleeve. The terminals are covered in black boots that protect the conductor from engine heat to ensure spark delivery.

Product Features:
  • Helically wound conductor suppresses electro and radio noise
  • Kevlar core combination for great strength and durability
  • Heavy Duty Terminals For Secure Connection
  • 8mm silicone and synthetic jacket resists heat and abrasion
  • 500 Ohms/ft. Resistance For Improved Spark Delivery And Power
  • Silicone Boots Protect Against High Exhaust Temps
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MSD Ignition – Wire Set; Street Fire; 8-cyl.; HEI/90f; Universal (Part No.5552)

Wire Set; Street Fire; 8-cyl.; HEI/90f; Universal

from

$69.99
The street fire spark plug wires feature a low resistance conductor that’s wrapped in a sleek and durable black sleeve. The terminals are covered in black boots that protect the conductor from engine heat to ensure spark delivery.

Product Features:
  • Helically wound conductor suppresses electro and radio noise
  • Kevlar core combination for great strength and durability
  • Heavy Duty Terminals For Secure Connection
  • 8mm silicone and synthetic jacket resists heat and abrasion
  • 500 Ohms/ft. Resistance For Improved Spark Delivery And Power
  • Silicone Boots Protect Against High Exhaust Temps
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Mallory – Mallory Prosidewinder 90F Univ. Wire Set (Part No.937)

Mallory Prosidewinder 90F Univ. Wire Set

from

$133.99
Features at a glance, low 300 Ohm resistance spiral core delivers high energy output for maximum spark at the plug. Great RFI suppression meets the demands of today’s on-board electronics, such as electronic ignition, sound systems, and computer controls. 8MM ozone-resistant red silicone jacket repels water, oil, grease, and fuel, and withstands temperatures up to 500 degrees. Fits V8, universal wire kit: includes 45 degree spark plug boots, female socket (standard) distributor boots and terminals.

Product Features:
  • Most Advanced Wire By Mallory
  • RFI Suppression
  • High Temperature Silicone Jacket
  • Withstands Over 500+F
  • Come In Ready To Use Kits
  • Extra Long Kits
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Accel – Universal Fit Graphite Suppression; Spark Plug Wire Set (Part No.8026)

Universal Fit Graphite Suppression; Spark Plug Wire Set

from

$128.99
These ACCEL carbon and graphite core wire sets virtually eliminate RFI noise, while providing maximum conductivity for ultimate performance in any race or street application. Double silicon insulation eliminates leakage and misfire.

Product Features:
  • Heavy Duty 8.8mm Oversized Silicone Jacket
  • 500 Ohms/ft. Of Resistance
  • 550 Degree Double Silicone Construction
  • Fiberglass Braid
  • Carbon/Graphite Core
  • Magnetic Suppression
  • Fiberglass/Kevlar Core
  • 500 Ohms Resistance
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PerTronix – 808480 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 180 Degree Red (Part No.808480)

808480 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 180 Degree Red

from

$82.99
Most modern electronic ignition systems require suppression style wires to preserve sensitive components. Flame-Thrower 8mm Custom fit MAGx2 wires provide enhanced RFI suppression and dual current paths for more power delivered to the spark plug. Our custom wire sets have factory terminated ends for a superior connection and perfect fit, without cutting, crimping and splicing.

Product Features:
  • Two current paths for reliability and redundancy. -Primary path: Spiral wound stainless steel alloy.-Secondary path: Carbon impregnated fiberglass center core.
  • Low 500 ohm per foot resistance.
  • 8mm Silicone jacket to resist high temperatures, moisture, oil and chemicals.
  • EPDM (Ethylene Propylene Diene Methylene) inner insulation for superior heat resistance and prevention of arcing and voltage leaks.
  • Fiberglass reinforcing braid for added strength and flexibility.
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Accel – Custom Fit Spark Plug Wire Set (Part No.8854)

Custom Fit Spark Plug Wire Set

from

$112.99
These ACCEL wire sets are custom tailored for true street and strip performance use. Features oversize 8.8 mm ultra performance wires and spark plug boots, 550 degrees Fahrenheit double silicone construction with fiberglass braid. Spiral wound steel core conductor.

Product Features:
  • 8.8mm Graphite Suppression
  • Silicone Spark Plug Boots
  • 550 Degree Double Silicone Construction
  • Fiberglass Braid
  • Carbon/Graphite Core
  • Magnetic Suppression
  • Fiberglass/Kevlar Core
  • 500 Ohms Resistance
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FAQs for Mercury Custom Optional Spark Plug Wires

What are the most popular Optional Spark Plug Wires for the Mercury Custom?

With 2 brands you can trust, our most popular Optional Spark Plug Wires for the Mercury Custom are:
808480 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 180 Degree Red
from $82.99
This product is not rated
808480 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 180 Degree Red
Optional Spark Plug Wires
Mallory Prosidewinder 135F Univ/Wire Set
from $153.99
(2)
Mallory Prosidewinder 135F Univ/Wire Set
Optional Spark Plug Wires
Mallory Prosidewinder 90F Univ. Wire Set
from $133.99
(1)
Mallory Prosidewinder 90F Univ. Wire Set
Optional Spark Plug Wires