1974 Mercury Cougar Performance Spark Plug Wires

Your 1974 Mercury Cougar might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Performance Spark Plug Wires you desperately need.

We currently carry 4 Performance Spark Plug Wires to choose from for your 1974 Mercury Cougar, and our inventory prices range from as little as $67.99 up to $141.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Performance Spark Plug Wires for the 1974 Mercury Cougar. We only sell parts from trusted brands like MSD Ignition so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 50 reviews on our Performance Spark Plug Wires for the 1974 Mercury Cougar from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Performance Spark Plug Wires stock in-person!

Performance Spark Plug Wires for Your 1974 Mercury Cougar

MSD Ignition – Wire Set; Street Fire; V8 Multi-Angle; Socket/HEI Universal (Part No.5551)

Wire Set; Street Fire; V8 Multi-Angle; Socket/HEI Universal

from

$67.99
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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Accel – Spark Plug Wire (Part No.8847)

Spark Plug Wire

from

$119.99
Spark Plug Wire

Accel – 300+Race, Spark Plug Wire Set, 8.8mm (Part No.7047)

300+Race, Spark Plug Wire Set, 8.8mm

from

$141.99
These ACCEL wire sets are custom tailored for race engines and their builders. The oversize 8.8 mm wire is rated for 600 degrees Fahrenheit and 60kV. Resists heat, chemicals and moisture. High density insulation eliminates arcing. Route over and under headers.

Product Features:
  • 150 Ohms Per Foot
  • 8.8mm Oversize Silicone Jacket
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Accel – Custom Fit Super Stock Spiral Spark Plug Wire Set, 8mm, Blue (Part No.5046B)

Custom Fit Super Stock Spiral Spark Plug Wire Set, 8mm, Blue

from

$85.99
ACCEL Super Stock wire sets are a true performance upgrade replacement for OE types. Efficient delivery of spark energy for a good price. Silicone boots with zinc-plated steel terminals.

Product Features:
  • Spiral Core
  • Silicone Spark Plug Boots
  • 500 Ohms Per Foot Resistance
  • 550 Degree Wire Temperature Rating
  • Meets Or Exceeds OE Boot Temperature Rating
  • Magnetic Suppression
  • 500 Ohms Resistance
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FAQs for 1974 Mercury Cougar Performance Spark Plug Wires

What are the most popular Performance Spark Plug Wires for the 1974 Mercury Cougar?

With 2 brands you can trust, our most popular Performance Spark Plug Wires for the 1974 Mercury Cougar parts are:
Wire Set; Street Fire; V8 Multi-Angle; Socket/HEI Universal
from $67.99
(25)
Wire Set; Street Fire; V8 Multi-Angle; Socket/HEI Universal
Performance Spark Plug Wires
Spark Plug Wire
from $119.99
This product is not rated
Spark Plug Wire
Performance Spark Plug Wires
Custom Fit Super Stock Spiral Spark Plug Wire Set, 8mm, Blue
from $85.99
This product is not rated
Custom Fit Super Stock Spiral Spark Plug Wire Set, 8mm, Blue
Performance Spark Plug Wires