A car has plenty of systems that work in union to keep your car running and functioning optimally. One part of the many systems you may know about is spark plugs and a component of this specific system includes spark plug wires. Spark plug wires are the heavily insulated wires that carry high voltage from the ignition coil to the spark plug to ignite the fuel air mixture in the cylinder. We have found the best spark plug wires to make your next replacement choice much easier.
COMPARISON CHART
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1. Edelbrock 22716 Ultra Spark 50 Plug Wire Set
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2. ACDelco Professional 9748RR Spark Plug Wire Set
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3. NGK (4413) RC-TE68 Spark Plug Wire Set
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4. Walker Products 900-2047 Thundercore Ultra Spark Plug Wire Set
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5. Motorcraft WR5934 Spark Plug Wire Set
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1. Edelbrock 22716 Ultra Spark 50 Plug Wire Set
Specification
| Color | Black |
| Material | Silicone,Metal |
| Exterior | Satin |
| Item Weight | 1.74 pounds |
Features
- Engineered for high performance engines that need all of the voltage they can get for maximum power output.
- Extremely high EMI/RFI suppression along with a very low resistance to help deliver the most spark possible.
- Heavy duty 8.5mm diameter silicone jacket to protect the Kevlar spiral wound core from heat, moisture and chemicals.
- Made with wire leads that deliver a low 40 ohms of resistance per-foot for maximum EMI/RFI noise suppression.
The Edelbrock Max-Fire(R) Ultra-Spark(R) performance spark plug wires are manufactured from highest quality materials to help deliver maximum voltage – ensuring the ultimate performance. These wires have an extremely high EMI/RFI suppression along with a very low resistance to help deliver the most spark possible.
WHAT WE LIKE
Good wires that are both sturdy and reliable. Fairly quick and easy to install. Allow vehicles to start right away with no more misfiring, vibrations are minimal if not gone completely after installation. Cheaper option compared to factory parts. Overall good quality spark wire set.
WHAT WE DONT LIKE
The wires overall are on the longer side which may not work for all applications. The wires have more slack than OEM so they come closer to touching headers in places. They also click on looser than OEM options.
PROS
- Sturdy and reliable wire set
- Removes misfires and vibrations
- Cheaper option compared to factory parts
- Overall good quality that are easy to install
CONS
- Wires are longer compared to OEM
- Wires have more slack and click on looser than OEM
2. ACDelco Professional 9748RR Spark Plug Wire Set
Specification
| Material | Silicone |
| Item Dimensions LxWxH | 3.8 x 10 x 6 inches |
| Item Weight | 1.25 Pounds |
Features
- Wire conductor, wire length, and diameter help provide maximum spark delivery and protection
- Spark plug distributor boot shape and materials provide proper fit, installation, and water tight seal. Boot Type: Solid
- Terminal design improves spark plug retention and assists installation with excellent corrosion resistance
- Insulator employs high dielectric materials
ACDelco Professional Spark Plug Wire Sets are engineered with strength enhancing fiberglass and high temperature silicone insulators. These spark plug wires are a premium aftermarket offering that covers over 96% of domestic vehicles on the road today. Parts offered for GM, Chrysler, Ford, Honda, Nissan, and Toyota vehicles. ACDelco Professional Spark Plug Wire Sets are designed to match the fit, form, and function found on new vehicles.
WHAT WE LIKE
These are very nice looking spark plug wires. The plug boots are square, not round like OEM, but the heat shield fits fine.Boots don’t get stuck on the spark plug as the original ones did.Great OEM replacement quality wires. Shorter than original but these spark plug wires work perfectly. Installation is a breeze with this option.
WHAT WE DONT LIKE
These tend to come apart. Immediately only 2 or 3. After 500 miles a few more. After 3000 miles the rest of them. Once you install them, you cannot take them off again. You will most likely pull the metal connectors right out of the boot
PROS
- Nice looking quality OEM replacement
- Boots do not get stuck
- Shorted than original but work perfectly
- Easy installation wire set
CONS
- Tend to come apart over time
- Once installed you cannot take them off again
3. NGK (4413) RC-TE68 Spark Plug Wire Set
Specification
| Material | Silicone |
| Exterior | Machined |
| Item Weight | 1.3 pounds |
Features
- Variable pitch winding delivers ultra-low resistance, a powerful spark and outstanding EMI/RFI noise suppression
- Numbered for easy cylinder identification and coil wires are color coded for correct and easy installation
- Positive-locking, corrosion-resistant stainless steel terminal ends for tight fit and maximum resistance to vibration and separation
- High-temp (250°+ C / 482°+ F) silicone outer jacket resists moisture, oil/petrol and cracking due to temperature extremes
NGK Wire Set: 5mm ultra-low resistance magnetic core, wire wound ignition cable with OEM or better specified spark plug and distributor boots. High temp silicone jacket resists underhood temperatures up to 482 degrees F. High density, premium fiberglass braiding reinforcement over EPDM / silicone inner insulation for superior dielectric strength and excellent cable tensile strength. NGK wire sets are built to meet stringent OEM tolerances for a variety of vehicles.
WHAT WE LIKE
Wire lengths are spot on – not too long or short. Quality is solid and much cheaper than the factory option. Boots fit snug over new plugs. Perfect fit, came with everything needed including a little Di-Electric grease packet. Installation is a smooth process. Wires come precut and numbered for added convenience.
WHAT WE DONT LIKE
Despite claiming to have a warranty on the wires you may struggle to get customer service to deliver on their promise. Wires are not the same color as the factory option which may not be ideal for all.
PROS
- Good wire length same as OEM
- Great quality and value for money
- Perfect fit and seamless installation
- Wires are precut and numbered for convenience
CONS
- Poor customer service in honoring warranty
- Not same color wires as factory option
4. Walker Products 900-2047 Thundercore Ultra Spark Plug Wire Set
Specification
| Material | Silicone |
| Item Weight | 1.47 pounds |
| Product Dimensions | 3.5 x 6 x 8.5 inches |
Features
- Meets or exceeds OE standards in regards to fit, form, and function
- The cable is wire-wound, multi-insulated, and SAEJ2031 Class E rated
- High temperature silicone boots
- Premium corrosion-resistant snap lock terminals that click into place for easy installation and removal
Thundercore Ultra Wire Sets are made to the highest quality standards. They meet or exceed Original Equipment specifications in regards to fit, form and function. The cable is wire-wound, multi-insulated, and SAEJ2031 Class E rated. The coil on plug boots are made with a high temperature silicone.
WHAT WE LIKE
This easy to install spark plug wire set option will leave you with good quality and well fitting spark plug wires in record time. A good affordable OEM replacement option this is a real value deal. These spark plug wires will leave your vehicle running smoother and better than ever.
WHAT WE DONT LIKE
It is important to carefully check your vehicle requirements for this spark plug wire option as this set is vehicle specific and it would be disappointing to get this wrong. Installation instructions are sometimes difficult to follow for some and may require some careful consideration to get them right.
PROS
- Easy to install set
- Well fitting and good performing option
- Affordable OEM replacement
- Leave vehicle running better and smoother
CONS
- Vehicle specificity requires careful checking
- Difficult to follow installation instructions
5. Motorcraft WR5934 Spark Plug Wire Set
Specification
| Material | Silicone |
| Item Weight | 1.47 pounds |
| Product Dimensions | 3.5 x 6 x 8.5 inches |
Features
- Optimum engine performance
- Reduces the chance of misfire
- Increases engine life
- Protects against wire set failure
Motorcraft Spark Plug Wire Sets are designed and tested to meet OE specifications for durability and reliability under extreme conditions. Delivers maximum voltage to the spark plug. These sets include wire set boot and connector.
WHAT WE LIKE
Perfect OEM replacement made up of good quality wires, perfect fit and replacement. When it comes to fit, nothing fits your engine better than the original equipment plug wires. For Ford products that means buying only Motorcraft. Boots had a nice tight seal in the spark plug holes. Price is really good for such a high quality product.
WHAT WE DONT LIKE
No numbers on wires so you have to match each wire one at a time as you take them off, making for a little more work. The lengths were a little off compared to the original manufacturer’s wires.
PROS
- Ideal OEM replacement
- Perfect fit, ideal for Ford brand
- Boots nice tight seal
- Good price for high quality product
CONS
- No numbers on is not ideal
- Lengths are slightly different to original
Final Verdict
When it comes to replacing your spark plug wires you may be unsure where to turn for quality replacement parts. We have covered some phenomenal brands with our number one option being NGK (4413) RC-TE68 Spark Plug Wire Set.
This spark plug wire set is a solid quality option that is really good value for an affordable price compared to factory options. Easy to install with numbered wires for added convenience. Great wire length that fits just right. This set comes with everything you need to fit quality spark plug wires that will really last.
