Best Spark Plugs For Stock 350 in 2023 (TOP15)

Sometimes it might be quite difficult to find the best spark plugs for stock 350. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this spark plugs for stock 350 buying guide.

Our Top 15 Recommendations:

Best Spark Plugs For Stock 350 Reviews:

Bestseller No. 1
Set (8pcs) NGK V-Power Spark Plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5
  • Includes (8) UR5 Spark Plugs.
  • New, Bulk Packed.
  • Genuine OEM NGK Replacement Part.
  • Consult owners manual for proper part number identification and proper installation.
  • Please refer to list for compatibility.
SaleBestseller No. 2
ACCEL 4048 Spark Plug Wire Set - 8mm - Yellow with HEI Stock Style Boots
  • Tinned copper core
  • True performance upgrade replacement for Original Equipment types
  • Silicone boots with yellow wire
  • Custom fit
SaleBestseller No. 3
ACCEL 3008 Spark Plug Wire Set - 7mm - Super Stock with Copper Core - Universal Straight Boots - Yellow
  • Universal fit for pre HEI ignitions
  • Ideal for street driven applications
  • 450 degree rated silicone jackets extruded over a tightly woven rugged fiberglass braid
  • Classic ACCEL yellow with female socket style distributor boots and straight red plug boots
  • Also available with 90 degree boots and in blue with matching blue straight or 90 degree boots
SaleBestseller No. 4
ACCEL 8Mm Spark Plug Wire Set Super Stock Graphite Universal, Red
  • Ideal for street applications
  • 450 degree Fahrenheit silicone jackets extruded over tightly woven fiberglass braids
  • Excellent RFI suppression
  • High dielectric strength EPDM inner insulation exceeds SAE specifications
  • 90 degree red boots match the wires
SaleBestseller No. 5
ACCEL 4071 Spark Plug Wire Set - Super Stock Graphite Core 8mm - Chevy/GMC 454 - Yellow
  • Uniquely engineered to upgrade tired 8MM Original Equipment Manufacturer spark plug wires
  • Custom fit for big block 454s
  • 450 degree rated silicone jackets in classic ACCEL yellow extruded over rugged tightly woven fiberglass braids
  • Graphite suppression that eliminates RFI
  • High dielectric strength inner insulation
SaleBestseller No. 6
NGK Spark Plug Stock # 7162 (Motorcycle/Marine)
  • NGK Spark Plug Stock # 7162 (Motorcycle/Marine)
Bestseller No. 7
ACDelco R45TS Professional Conventional Spark Plug (8 Pack)
  • Black onyx coating helps prevent corrosion
  • Copper core thermal properties provide great heat transfer and increased plug durability
  • Nickel-chrome alloy sheathing to help prevent corrosion on center electrode
  • Available for use in Marine applications
Bestseller No. 8
E3 Spark Plugs E3.36 Powersports Spark Plug, Pack of 1
  • Fit Type: Universal Fit
  • The Patented Diamondfire Ground Electrode Is Secured To The Shell With Two Legs To Help Facilitate Heat Transfer, And To Withstand The Intense Vibration Of Powersport Engine Applications
  • Improved Starts: Patented Edge-To-Edge Design Concentrates Spark Energy, Which Results In Quick And Easy Starts In Any Conditions
  • For High-Performance Engines: Motorcycle Spark Plug For A Variety Of Powersport Applications, Specifically Designed To Increase Power, Reduce Fuel Consumption, And Improve Hydrocarbon Emissions
SaleBestseller No. 10
E3 Spark Plugs E3.42 Automotive Spark Plug, Pack of 1
  • FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits a variety of domestic applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
  • PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 3 legs that help facilitate excellent heat transfer and increase turbulence in the cylinder
  • INCREASED DURABILITY: Designed with colder heat ranges to enable performance modifications, and contains Yttrium-enhanced alloy for up to 8% reduction in side wire temperature for less pre-ignition
  • WHAT'S INCLUDED: One (1) E3.42 spark plug. Features 14mm thread diameter; 0.460-inch thread reach plug with taper seat; 5/8-inch hex size
  • WARRANTY: Often used for domestics. Unique ground electrode and full-size center electrode provides optimal performance guaranteed for five years or 100,000 miles
SaleBestseller No. 11
ACCEL 0576S-4 Shorty Copper Core Spark Plug, (Pack of 4)
  • Ideal for use in cramped spaces
  • Deliver significantly more power at high rpm
  • Instant throttle response and better fuel economy
  • Less fouling flame dissipation and misfire
  • Pack of four
Bestseller No. 12
(6-Pack) NGK Spark Plugs TR55 (Stock # 3951)
  • Designed to operate over a much wider heat range than ordinary plugs
  • Resists carbon buildup and pre-ignition
  • Patented triple gasket sealing process eliminates the possibility of combustion gas leakage
  • NGK spark plugs are an OE cornerstone that have provided decades of reliable performance
Bestseller No. 13
NGK 3951 Pack of 8 Spark Plugs (TR55)
  • Includes (8) Spark Plug.
  • Genuine NGK Replacement Part.
  • New, Bulk Packed.
  • Consult owners manual for proper part number identification and proper installation.
  • Please refer to list for compatibility.
SaleBestseller No. 14
ACCEL 4039B Spark Plug Wire Set - Super Stock Copper Core 8mm - 90 Deg. Boots - Blue
  • Upgrades tired Original Equipment wire sets for high performance street use
  • Universal design for V8 engines
  • 8MM spiral core wires feature 450 degree rated blue silicone jackets
  • Rugged tightly woven fiberglass braids guard against current leakage and oil and solvent damage
  • Comes with both male HEI style and female socket style distributor boots and 90 degree plug boots in matching blue
SaleBestseller No. 15
Taylor Cable 51006 Spark Plug Wire , Black
  • Product type : ELECTRONIC WIRE
  • Country of Origin : United States
  • Package Weight: 1.134 kg
  • Package Dimensions: 7.62 L x 29.21 H x 25.146 W (cm)

Last update on 2023-02-06 / Affiliate links / Images from Amazon Product Advertising API

How to find the best spark plugs for stock 350?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best spark plugs for stock 350 for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good spark plugs for stock 350 recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the spark plugs for stock 350 need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for spark plugs for stock 350 to find what you’re looking for:


In some cases, the brand of spark plugs for stock 350 is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.


The features in any given spark plugs for stock 350 are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.


Customer reviews about spark plugs for stock 350 are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.


Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare spark plugs for stock 350 quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.


Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.


The quest to find the best spark plugs for stock 350 can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.