Best Spark Plugs For Small Block Chevy in 2023: Our Top 10 Picks

Sometimes it might be quite difficult to find the best spark plugs for small block chevy. 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 small block chevy buying guide.

Our 10 Favorites:

The 10 Top Spark Plugs For Small Block Chevy Reviews:

Bestseller No. 1
NGK V Power Spark Plug UR4 (8 Pack) for CHEVROLET P20 1976-1984 5.7L/350
  • Engine V8, Engine Size 5.7L/350
  • Engine Family Chevy small block Gen I
  • Shorty Spark Plug: No. Resistor: Yes. Manufacturer Heat Range: 4. Electrode Tip Material: Nickel alloy. Electrode Core Material: Copper. Insulator Type: Projected. Spark Plug Thread Size: 14mm. Spark Plug Reach: 0.460 in. Spark Plug Seat Style: Tapered Wrench Diameter: 5/8 in. Ground Strap Quantity: One
  • Sold In 8 Pack
Bestseller No. 2
A-Team Performance - Silicone Spark Plug Wires Set - Compatible with GMC Chevrolet BBC Big Block Chevy Straight Boot Wires 396 402 427 454 502 572 8.0mm Black
  • Silicone Spark Plug Wires Set, Black
  • Compatible with BBC Big Block Chevy Chevrolet GMC Straight Boot Wires 396 402 427 454 502 572 and comes with a one-year warranty
  • Top performance and quick installation at an affordable price. Black 90-Degree Boot for HEI Distributor, Black Straight Boot for Spark Plug, and Coil-in-Cap HEI Design System
  • Low-resistance heat conductor that can withstand wear and tear and last for years
  • This set is designed to be used with HEI Distributors. Therefore it does not include a coil wire and is sold separately.
SaleBestseller No. 3
A-Team Performance - Silicone Spark Plug Wires Set - Compatible with SBC Small Block Chevy Chevrolet GMC Over The Valve Cover Wires 283 305 307 327 350 400 Red 8.0mm
  • 8.0mm Red Silicone Spark Plug Wires has Black 90-Degree Straight Boot for HEI Distributor, Black 90-Degree Boot for Spark Plug and Coil-in-Cap HEI Design System
  • Compatible with Chevrolet GMC Over the Valve Cover Wires 283 305 307 327 350 400 and comes with a one-year warranty
  • Over The Valve Covers, Black 90-Degree Straight Boot for HEI Distributor, Black 90-Degree Boot for Spark Plug, and Coil-in-Cap HEI Design System
  • Low-resistance heat conductor that can withstand wear and tear and last for years
  • This set is designed to be used with HEI Distributors. Therefore it does not include a coil wire and is sold separately.
Bestseller No. 4
8MM HEI Spiral Core SPARK PLUG WIRES Replacement for Chevrolet GMC 396-427-454
  • Fits the following applications: Replacement for Chevrolet, Replacement for GMC All models, With HEI (Notes), 366,396,427,454,502 (engine)
  • Replacement for BIG BLOCK CHEVY 1965-1985 366-396-427-545-502 with HEI (male tower) distributor.
  • PACKARD WIRE 8mm BLACK High Performance Spiral Core Spark Plug Wires
  • These wires will NOT work on a vehicle with a points style (old style/female) distributor cap.
  • Tips: If you ever have any issues, simply contact us for a free replacement or refund. We support 24 hours online customer service.
Bestseller No. 5
Universal Spark Plug Wire Set - 10.5mm High Performance Kit - Compatible with Chevy, GM SBC, BBC, Small Block 307, 327, 350, Big Block Engines 496, 502, 427, 454 and more with HEI Distributor
  • 10.5mm Red Spark Plug Wire Set - 9-Piece Kit, 8 for the spark plugs 1 for the coil. The sparkplug wire set also called high tension leads transfer high voltage pulses to ignite the air and fuel mixture for a combustion in the engine. High performance wires can withstand extreme heat and voltages therefore enabling the engine to run at its maximum potential power consistently without dropping performance for long periods of time.
  • Compatible Replacement for Chevrolet & GM SBC & BBC Engines - Fits HEI (High Electronic Ignition) systems with Small Block and Big Block engines including SBC 302, 305, 307, 327, 350, 400, BBC 348, 366, 396, 402, 409, 427, 454, 496, 502, 572, 632 engines with V8 4.9L, 5.0L, 5.4L, 5.7L, 6.6L, 6.5L, 6.7L, 7.0L, 7.4L, 8.1L, 8.2L, 9.4L and 10.4L displacements.
  • Premium Quality & Performance - This high performance racing spark plug wire set from AA Ignition has 90 degree boot socket on both ends of the wire and features longer and thicker wires than OEM complimented with the red color that will definitely give that racing style look to your engine while providing the highest possible voltage spark for maximum performance, torque and horsepower without interfering radio frequency.
  • OEM Fit, Quality, Finish - While this is not a genuine OEM part, it is a direct replacement for the factory sparkplug wires and will deliver the same performance as OEM if not better. 10.5mm thick wires composed of high di-electric insulator and heavy glass braid wrapped heavy duty silicone jackets and high performance black boots that will surely withstand extremely high temperatures and excessive abrasion for a long period of time.
  • Lifetime Warranty - This SBC BBC HEI spark plug wire set manufactured by AA Ignition comes complete with a lifetime warranty. If the part ever fails on your small block or big block engine build simply contact us for a replacement. If you are experiencing misfires, hard starting, rough idle, hesitation and poor fuel economy then you may need to replace your spark plug wires.
SaleBestseller No. 6
GSKMOTOR Chrome Linear Spark Plug Wire Separators Divider Loom with Black Valve Cover
  • 【Feature】 Wire Looms measure 14 1/4" Long. Universal design allows mounting tabs to be moved. Designed for valve covers with bolts at base of cover, It could be used on many other applications as well.
  • 【FITMENT 1 】 Chrome Liner Spark Plug wire looms Fits for CHEVY, FORD, & MOPAR , CHRYSLER, DODGE, PLYMOUTH ,Etc V8 Engines, Fits 7mm 8mm 8.5mm 8.8mm Spark Plug wires organization
  • 【FITMENT 2 】Spark Plug Wire Separators Divider Loom Fits for Ford Chevy Mopar V8 Engines Small/Big Block as following 265 283 327 305 350 383 400 396 427 454 472 502 273 340 383 361 400 413 440 260 289 302 347 352 360 351 351W 351C 351M 400M 390 406 427 428 429 460
  • 【 EXCELLENT QUALITY】 GSKMOTOR Liner Spark Plug Wire Looms made from quality stainless steel materials, durable and long lasting, Very simple and easy way to clean up the Engine bay, Keep the wire away from heat and looks Great.
  • 【Listing included】: 2 X Chrome Brackets, 8 Heat-Resistant wire holders & hardware for Mounting to valve covers (as showen); If you receive missing parts, please contact us immediately, we will solve all problems for you 24 hours.
Bestseller No. 7
A-Team Performance - 8.0mm Silicone Spark Plug Wires Set High Performance - Compatible with SBC Small Block Chevy Chevrolet GMC Under The Exhaust Wires HEI 283 305 307 327 350 400 Black
  • Heavy-Duty — Made of heavy glass braid for added pull strength with heavy-duty heat resistant silicone jackets and high-temperature black boots
  • Product Details – Black 90-Degree Boot for HEI Distributor, Black 90-Degree Boot for Spark Plug, and Coil-in-Cap HEI Design System
  • Long-Lasting Service— Features high dielectric strength insulator that resist damages from heat and abrasion
  • Warranty and Compatibility — Product is compatible with SBC Small Block Chevy Chevrolet GMC Under the Exhaust Wires HEI 283 305 307 327 350 400 and comes with a one-year warranty
  • Note — This set is designed to be used with HEI Distributors. Therefore it does not include a coil wire and is sold separately.
Bestseller No. 8
JEGS Red Hot Pow’r Wires | 8mm | Made in USA | For Small Block Chevy | Designed to Fit Under Headers | 90 Degree Spark Plug and Distributor Boots
  • FITS SMALL BLOCK CHEVY APPLICATIONS including 283, 307, 327, 350, and 400 as well as others
  • DESIGNED TO FIT UNDER THE HEADERS and attaches to the spark plugs with 90 degree boots
  • RED WIRES WITH BLACK BOOTS for great looks under the hood of your vehicle
  • INCLUDES WIRE MARKERS, SEPARATORS AND DIELECTRIC GREASE for a complete installation
  • MADE IN THE USA with high quality materials and assembly
Bestseller No. 9
KIPA Chrome Linear Spark Plug Wire Separators Divider Loom Black Valve Cover Fits for Chevy Ford Mopar SBC 265 283 305 350 400 396
  • Chrome Liner Spark Plug wire looms Fits for Chevy Ford Dodge Plymouth Etc V8 Engines, Fits 7mm 8mm 8.5mm 8.8mm Spark Plug wires.
  • Specification: Wire Looms measure 14 1/4" Long. Universal design allows mounting tabs to be moved. Designed for valve covers with bolts at base of cover, It could be used on many other applications as well.
  • Includes: 2 X Chrome Brackets, 8 Heat-Resistant wire holders & hardware for Mounting to valve covers as pictured.
  • Fits for Ford Chevy Mopar V8 Engines Small/Big Block as following 265 283 327 305 350 383 400 396 427 454 472 502 273 340 383 361 400 413 440 260 289 302 347 352 360 351 351W 351C 351M 400M 390 406 427 428 429 460
  • Made from quality materials, durable and long lasting, Very simple and easy way to clean up the Engine bay, Keep the wire away from heat and looks Great.
Bestseller No. 10
JDMON 10.5mm Spark Plug Wires Compatible with Chevy 350 400 327 307 383 SBC 454 366 396 402 409 427 496 502 572 632 BBC V8 Ignition Wires
  • Compatible with universal spark plug wire set Chevy small block and big block SBC & BBC V8 engines.Including SBC:302 305 307 327 350 400,BBC:348 366 396 402 409 427 454 496 502 572 632. Please confirm your vehicle information before purchasing.
  • 10.5mm High Performance Racing Spark Plug Wires adopts silicone insulation technology, high temperature resistance -40 degrees to +220 degrees, high voltage 25KV.
  • The wire core adopts silicone conductor, which has stable resistance and superior conductivity; the wire body is multi-layer reinforced and the service life is more durable.
  • Perfect occasional replacement. Can directly replace the original accessories.Plug and play.Blue line.
  • For the length parameter of the wire harness, please refer to the product description below.

Last update on 2023-03-27 / Affiliate links / Images from Amazon Product Advertising API

How to find the best spark plugs for small block chevy?

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 small block chevy 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 small block chevy 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 small block chevy 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 small block chevy to find what you’re looking for:

Brand

In some cases, the brand of spark plugs for small block chevy 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.

Features

The features in any given spark plugs for small block chevy 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.

Reviews

Customer reviews about spark plugs for small block chevy 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.

Quality

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 small block chevy 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

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.

Conclusion

The quest to find the best spark plugs for small block chevy 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.