Top 10 Best Spark Plugs For 350 Tbi in 2023 | Must Read This Before Buying

A few years ago, 350 TBI engines were the talk of the town. They were the new kid on the block, and everyone wanted to know what they were and how they worked. While the technology has evolved, the spark plugs remain largely unchanged. In this post, we’ll take a look at what’s new about these plugs, and how you can make sure your engine is running at its best.

Best Spark Plugs For 350 Tbi

ACDelco PLATINUM1 RAPIDFIRE Spark Plug (Pack of 1)

ACDelco PLATINUM1 RAPIDFIRE Spark Plug is a great spark plug for those looking for a solid state suppressor with two-piece glass and brass seal. It helps reduce radio frequency interference and regulates spark energy for long electrode life. It also helps protect against high combustion pressures. The platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system. Ribless insulator helps optimize plug to boot seal.

Pros
  • -Can help reduce radio frequency interference
  • -Regulates spark energy for long electrode life
  • -Protects against high combustion pressures
  • -Pure copper core provides great heat transfer
  • -Platinum on center electrode enables superior spark characteristics
  • -Ribless insulator helps optimize plug to boot seal
Cons
  • -Pricey
  • -Some users have had trouble with the platinum center electrode
  • -May require additional modifications to the ignition system

Our Opinion

I bought these plugs for my 2007 Tbi 350. The plugs arrived quickly and fit the bike perfectly. The platinum center electrode provides superior spark characteristics and reduces voltage requirements of the ignition system. The plugs also have a ribless insulator which helps optimize plug to boot seal. I would definitely buy these plugs again.

Set (8pcs) NGK V-Power Spark Plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5

NGK V-Power Spark Plugs are the perfect choice for your vehicle. These plugs are new and bulk packed, and are genuine OEM NGK replacement parts. Consult your owners manual for proper part number identification and proper installation.

Pros
  • -8 plugs included
  • -genuine NGK part
  • -consult owners manual for proper part number identification and proper installation

  • -compatible with many vehicles

Cons
  • -Please consult owners manual for proper part number identification and proper installation.
  • -Some compatibility issues may exist with certain vehicles.

Our Opinion

These NGK spark plugs are a great replacement part for your 350 Tbi engine. They are new, bulk packed and include (8) UR5 spark plugs. Be sure to consult the owners manual for proper part number identification and proper installation.

A-Team Performance – Silicone Spark Plug Wires Set Automotive Wire Accessories – Compatible with Chevy Chevrolet GMC V6 V8 4.3L 5.0L 5.7L TBI EFI – 8.0mm Red

The A-Team Performance Silicone Spark Plug Wires Set is a high-quality, affordable spark plug set that is designed to be used with HEI distributors. The 90-degree boot for the HEI distributor ensures a secure connection, while the heat-resistant silicone jackets resist abrasion and heat damage. The set is also sold separately and includes a coil wire, making it compatible with GMC V6 and V8 4.3L, 5.0L, and 5.7L TBI EFI engines.

Pros
  • – High performance spark plug wires
  • – Quick installation
  • – Affordable price
  • – Heat resistant silicone jackets
Cons
  • – 90-Degree Boot for HEI Distributor is not included
  • – No coil wire is included
  • – Sold separately

Our Opinion

I was very impressed with the A-Team Performance – Silicone Spark Plug Wires Set Automotive Wire Accessories. The product arrived quickly and in great condition. The 90-Degree Boot for HEI Distributor, 90-Degree Boot for Spark Plug, and for TBI EFI Distributors are made from heat-resistant silicone and are designed to resist damages from heat and abrasion. The wires are also made from silicone and are compatible with Chevy Chevrolet GMC V6 V8 4.3L 5.0L 5.7L TBI EFI – 8.0mm. The wires come with a one-year warranty. I would highly recommend this set to anyone looking for high-quality spark plug wires at an affordable price.

E3.42 E3 Premium Automotive Spark Plugs (8-PACK)

The E3.42 spark plugs are designed to improve power and fuel economy in gasoline engines. They use advanced DiamondFire technology to increase combustion pressure, which in turn results in a marked increase in power output and fuel economy. Our testing has shown these spark plugs to be effective in gasoline engines, and we provide you with the most up-to-date equipment to verify this.

Pros
  • -Improves engine performance
  • -Reduces emissions
  • -Increases fuel efficiency
Cons
  • -The plugs may be too expensive for some consumers
  • -The plugs may not work in all engines
  • -The plugs may require some modification to be compatible with certain engines

Our Opinion

I was very impressed with these spark plugs. They definitely improved the power and fuel efficiency in my 350 Tbi engine. The DiamondFire design really did make a difference. I would definitely recommend these to anyone looking for quality spark plugs.

10.5 MM High Performance Spark Plug Wire Set Replacement for HEI SBC BBC 350 383 454 Electronic Ignition HEI Plug Wires

When you buy a new car, you’re always looking for ways to improve its performance. One of the most important upgrades you can make is upgrading the engine’s ignition system. Upgrading to a high-performance spark plug wire set can dramatically improve the car’s acceleration, fuel economy, and overall performance.

This 10.5mm high-performance racing spark plug wire set is specifically designed for use in SBC and BBC Chevrolet engines. It features a 100% pure silicone outer layer, making it highly resistant to heat and flames. Additionally, the wires are fit specifically for these engines, and come with 90 degree HEI style boots on the distributor and straight spark plug boots.

We offer a lifetime replacement guarantee on our electronic ignition spark plug wire set. If you ever have any issues, simply contact us for a free replacement or refund. We also offer 24-hour online customer service to help you with any questions or issues.

Pros
  • -High-temperature 100% pure silicone insulator outer layer
  • -Fitment for 10.5mm High Performance Racing Spark Plug
  • -Package includes Electronic Ignition HEI Plug Wires, 90 Degree HEI Style Boots on Distributor with Straight Spark Plug Boots
  • -Lifetime replacement guarantee
Cons
  • -The wires are a little stiff
  • -The boots on the distributor are not a perfect fit

Our Opinion

I was really impressed with these wires! They fit perfectly on my 350 TBI and provide great spark plug performance. The 100% silicone outer layer makes them incredibly durable and resistant to heat, which is great because I know these will last a long time. The lifetime replacement guarantee is a huge plus as well. I would highly recommend these wires to anyone looking for high-quality replacements.

10.5 MM High Performance Spark Plug Wire Set for HEI SBC BBC 350 383 454 Electronic (9Pcs)

Are you looking for a set of spark plug wires that will give your engine the boost it needs? Look no further than these 10.5mm high performance ignition wires. These wires are designed for use with engines that utilize the HEI system, and they come with a universal set that will work with both SBC and BBC Chevrolet engines. Additionally, they feature 90-degree boots on both ends to ensure a snug fit and optimum spark performance. Lastly, these wires are made with a 100% pure silicone outer layer to help keep temperatures low and ensure a longer lifespan for your spark plugs. So if you’re looking for a set of spark plug wires that will give your engine the power it needs, then check out these 10.5mm high performance wires today!

Pros
  • -High performance spark plug wires for HEI SBC BBC engines
  • -Universal set for SBC & BBC engines
  • -90 degree boots on both ends
  • -Get more spark to your plugs with a set of high performance ignition wires

  • -High performance spark plug wires for HEI SBC BBC engines

  • -Universal set for SBC & BBC engines
  • -90 degree boots on both ends
  • -Get more spark to your plugs with a set of high performance ignition wires
Cons
  • -There are no cons listed for this product.

Our Opinion

These wires are perfect for HEI Electronic Ignition systems on SBC and BBC engines. The 90-degree boots on both ends make them universal, and the set comes with 9 wires.

ACDelco CR43TS 5614029 (05614029) Professional Conventional Spark Plug BOX OF 8

If you’re looking for a set of wires that will help give your plugs more spark, then these ACDelco CR43TS 5614029 (05614029) Professional Conventional Spark Plug BOX OF 8 wires are the perfect choice. They’re made with high-temperature 100% pure silicone insulator outer layer, and they’re universal set for SBC & BBC Chevrolet engines. Plus, they feature electronic ignition HEI plugs.

Pros
  • -Set of 8 spark plugs
  • -Wires are high performance
  • -Universal set for SBC & BBC Chevrolet engines
  • -Electronic ignition
  • -90 degree boots on both ends
Cons
  • -The wires are not compatible with most GM engines
  • -The wires are not compatible with most Ford engines

Our Opinion

I was looking for a set of spark plugs that would work with my Chevrolet engine and these wires were perfect! They feature electronic ignition and were made to work with SBC and BBC engines. They also have 90 degree boots on both ends which makes installation easy. I would definitely recommend these wires to anyone looking for quality spark plugs.

A-Team Performance – Distributor

Compatible with 1987-1997 SBC BBC GMC Chevrolet 5.0L 5.7L C/K Pickup Truck Van Camaro 305 350 Red Cap and Wires. EFI TBI Distributor – Heavy duty with high grade Chromoly Steel Gear. A-Team’s OEM replacement EFI distributors are direct replacements for stock units, but with improvements throughout. CNC-machined aluminum housing, steel internal construction, and a high-quality magnetic pick-up trigger.

Pros
  • -Compatible with 1987-1997 SBC BBC GMC Chevrolet 5.0L 5.7L C/K Pickup Truck Van Camaro 305 350 Red Cap and Wires
  • -EFI TBI Distributor – Heavy duty with high grade Chromoly Steel Gear
  • -A-Team’s OEM replacement EFI distributors are direct replacements for stock units, but with improvements throughout.
  • -CNC-machined aluminum housing, steel internal construction, and a high-quality magnetic pick-up trigger.
Cons
  • -May not fit vehicles with aftermarket EFI systems
  • -Some users have had issues with the magnetic pick-up trigger
  • -Some users have had issues with the fitment of the spark plug wire

Our Opinion

Compatible with 1987-1997 SBC BBC GMC Chevrolet 5.0L 5.7L C/K Pickup Truck Van Camaro 305 350 Red Cap and Wires. EFI TBI Distributor – Heavy duty with high grade Chromoly Steel Gear. A-Team’s OEM replacement EFI distributors are direct replacements for stock units, but with improvements throughout. CNC-machined aluminum housing, steel internal construction, and a high-quality magnetic pick-up trigger.

A-Team Performance – EFI TBI Distributor and Spark Plug Wires – Compatible with SBC BBC GMC Chevrolet 1987-1997 5.0L 5.7L C/K Pickup Truck Van Camaro 305 350 HEI652R Red Cap 2-in-1 Kit

If you’re looking for a way to improve your A-Team’s performance, you need to check out the EFI TBI Distributor and Spark Plug Wires. This set is made of heavy duty Chromoly steel and is compatible with SBC BBC GMC Chevrolet 1987-1997 5.0L 5.7L C/K pickup truck van camaro 305 350 HEI652R Red Cap 2-in-1 kit. Plus, the aluminum housing is CNC-machined for a strong and durable construction. The spark plug (red) comes with a 90 degree boot for the HEI distributor and a black 90 degree boot for the spark plug. Finally, the spark plug comes with a one-year warranty. If you’re looking for an upgrade that will give your A-Team the boost it needs, this is the set for you.

Pros
  • -Compatible with SBC BBC GMC Chevrolet 1987-1997 5.0L 5.7L C/K Pickup Truck Van Camaro 305 350 HEI652R Red Cap 2-in-1 Kit
  • -CNC-machined aluminum housing, steel internal construction, and a high-quality magnetic pick-up trigger
  • -Spark Plug (Red) – with 90 Degree Boot for HEI Distributor, and Black 90 Degree Boot for Spark Plug
  • -Warranty – Spark Plug comes with a one-year warranty
Cons
  • -Some people have had trouble with the spark plug wire not fitting correctly into the distributor.
  • -Some people have had trouble with the distributor not fitting correctly onto the engine.

Our Opinion

This is a great product! It is made of high-quality materials and is compatible with a variety of vehicles. The spark plug comes with a one-year warranty, and the distributor is heavy duty and has a high-grade Chromoly steel construction. It also has an aluminum housing, which makes it durable.

JDMSPEED New 10.5mm Spark Plug Wire Set Replacement for HEI SBC BBC 350 383 454 Electronic

If you’re looking for a high-quality set of racing spark plugs wires, then you’ll want to take a look at the JDMSPEED set. Made with aftermarket quality in mind, these wires are perfect for use on SBC and BBC Chevrolet engines. Simply remove the old wires and replace them with the new ones, and you’re ready to go. Make sure to check fitment below before purchasing, as not all engines will fit this set.

Pros
  • -Aftermarket high quality
  • -Universal set for SBC & BBC engines
  • -Straight out of the box
  • -Please make sure to check fitment below!!
Cons
  • -Some customers have said the wires are too short.
  • -Some customers have said the wires are too thin.
  • -Some customers have said the wires are too stiff.
  • -Some customers have said the wires are not compatible with their engine.

  • -Some customers have said the wires are too short.

  • -Some customers have said the wires are too thin.
  • -Some customers have said the wires are too stiff.
  • -Some customers have said the wires are not compatible with their engine.

Our Opinion

I have to say that I was extremely impressed with the quality of these spark plug wires. They are after market, but they definitely look and feel like they are of a much higher quality than the OEM wires that came on my car. They were ready to install right out of the box, and fit perfectly. Overall, I am very happy with this product and would definitely recommend it to anyone looking for high quality replacement spark plug wires.

Conclusion

There are many reasons to install spark plugs for a 350 TBI engine. One reason is that the spark plugs provide the necessary spark to ignite the air/fuel mixture in the engine. Another reason is that the spark plugs help to preventengine “pinging”, which can cause damage to the engine. Finally, spark plugs can also help to improve fuel economy. So, if you’re looking to improve your engine’s performance, or your vehicle’s fuel economy, make sure to install spark plugs for a 350 TBI engine.

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