Best Spark Plugs For Sbc 350 (2024 Updated)

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If you're looking for the best spark plugs for your SBC 350, you've come to the right place. Choosing the right spark plugs can make a significant difference in the performance of your engine. However, with so many options available in the market, it can be overwhelming to choose the best one. In this article, we'll provide you with a brief guide on the key points you should consider when looking for the best spark plugs for your SBC 350.

Firstly, it's essential to consider the type of spark plug you need. Copper, platinum, and iridium are the three most common types of spark plugs. Copper spark plugs are the most affordable, but they have a shorter lifespan compared to platinum and iridium spark plugs. Platinum spark plugs are known for their durability and longevity, while iridium spark plugs offer the best performance.

Secondly, you should consider the heat range of the spark plug. The heat range is the measure of how quickly the spark plug can transfer heat from the combustion chamber to the engine's cooling system. Choosing the wrong heat range can lead to engine damage or reduced performance.

Thirdly, it's essential to consider the electrode gap. The electrode gap is the distance between the center and ground electrodes. This gap affects the spark plug's firing efficiency, and it's crucial to choose a spark plug with the correct electrode gap.

Fourthly, you should consider the brand reputation and customer reviews. Choose a brand with a good reputation for quality and reliability. Reading customer reviews can give you an idea of the spark plug's performance in real-world conditions.

Lastly, consider the compatibility of the spark plug with your engine. Check your engine's manual or consult with a mechanic to ensure that the spark plug you choose is compatible with your engine.

In conclusion, choosing the best spark plugs for your SBC 350 requires careful consideration of the type of spark plug, heat range, electrode gap, brand reputation, and compatibility. By keeping these key points in mind, you can ensure that you choose the best spark plugs for your engine's performance and longevity.

10 Best Spark Plugs For Sbc 350

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1. Msd Street Fire Ignition Kit For Small Block Chevy V8 With Gm Hei Distributor, Control Box, And Spark Plug Wire Set.

Introducing the brand new MSD Street Fire Ignition Kit, a complete package that includes the MSD Street Fire V8 HEI Distributor, MSD Street Fire Ignition Control Box, and MSD Street Fire Small Block 350 HEI Spark Plug Wire Set. Designed specifically for small block Chevy V8 engines, this kit delivers high performance at an affordable price.

The MSD Street Fire V8 HEI Distributor is a top-of-the-line component that features a red distributor cap with brass terminals and an adjustable centrifugal mechanical advance. This distributor is supplied with an internal coil and a dependable 4-pin module, as well as a vacuum advance for improved fuel economy. Additionally, a vacuum advance stop plate is included to limit the amount of vacuum advance, while a heavy-duty distributor gear ensures durability and longevity.

The MSD Street Fire Ignition Control Box is a full-featured ignition system that delivers quality and reliability at an affordable price. It utilizes capacitive discharge technology to produce multiple sparks that improve starting and idle, and it delivers full power output at high RPMs. The control box is also easy to connect to points, amplifiers, and magnetic pickup distributors, and it features an adjustable rev limiter for overrev protection.

The MSD Street Fire Small Block 350 HEI Spark Plug Wire Set is designed to complement the other components in this kit. The spark plug wires feature a low resistance conductor that is wrapped in a sleek and durable black sleeve, as well as a helically wound conductor that suppresses electro and radio noise. The Kevlar core combination provides great strength and durability, while the heavy-duty terminals ensure a secure connection. The 8mm silicone and synthetic jacket resists heat and abrasion, and the 500 Ohms per foot resistance improves spark delivery and power. Finally, the silicone boots protect against high exhaust temperatures.

Overall, the MSD Street Fire Ignition Kit is a must-have for anyone looking to upgrade their small block Chevy V8 engine. With top-of-the-line components and an affordable price, this kit delivers unbeatable performance and reliability.

2. Chevy/gmc Distributor & Spark Plug Wires Kit With Cap And Rotor Replacement For Sbc/bbc

The MAS HEI Distributor & Spark Plug Wires Combo Kit with FREE 170072 and Tachometer Pigtail Wire Harness is a reliable and effective replacement kit for the Chevy 302 454 Chevrolet C10 GMC SBC BBC 350 400 models. This kit is designed for the coil-in-cap HEI design system, featuring a black 90-degree boot for the HEI distributor and spark plug wires.

The kit includes a cap and rotor replacement kit, which is compatible with Chevy Chevrolet GMC SBC Small Block 283 305 307 327 350 400 HEI Distributor & Spark Plug Wires Ignition Combo Kit. This makes it an ideal choice for those looking for a complete replacement kit. It is also compatible with a range of manufacturer part numbers, including DD-SBC-HEI-V8, 850001R, 8362, 850001-2, D100, 850002, D1001, GM08, 93440806, 66941R, 66941BK, D1051, 640000, and D1002.

One of the key features of this product is its 100% computer testing of all electronic module components before and after assembly. This ensures that the kit is reliable and performs optimally. Additionally, it comes with a one-year limited warranty for replacement, giving customers peace of mind.

Overall, the MAS HEI Distributor & Spark Plug Wires Combo Kit with FREE 170072 and Tachometer Pigtail Wire Harness is a high-quality replacement kit that is designed to deliver reliable performance. Its compatibility with a range of Chevy 302 454 Chevrolet C10 GMC SBC BBC 350 400 models and manufacturer part numbers makes it a versatile choice for those looking for a complete replacement solution.

3. Mas Racing Combo Kit: Hei Distributor, Spark Plug Wires, And Free Pigtail Harness – Red Cap – Replacement For Chevy 302-454, Sbc And Bbc 65k Coil 7500rpm, Chevrolet C10, Gmc 400 And 350 V8.

The MAS Racing HEI Distributor & Spark Plug Wires Combo Kit is a high-quality replacement for Chevy vehicles with a small block/big block engine. This kit includes a 65,000-volt super coil that meets Original Equipment Manufacturer (OEM) standards, ensuring optimal performance.

This combo kit is compatible with various small block/big block Chevys, including 283, 305, 307, 327, 350, and 400 small blocks, and 396, 427, and 454 big blocks. It features a red cap and is designed for the coil-in-cap HEI system.

The kit comes with black 90-degree boots for both the HEI distributor and spark plug, ensuring a secure and snug fit. The OEM reference numbers for this product are 1035001 HEI, PC6001A HEI, JM6500R, and PE350R.

MAS Racing ensures that their products meet industry standards and offers a one-year warranty on this combo kit. The kit is easy to install and provides reliable performance, making it an excellent choice for Chevy C10, GMC 400, 350 V8, and other compatible models.

In conclusion, the MAS Racing HEI Distributor & Spark Plug Wires Combo Kit is a top-of-the-line replacement for Chevy vehicles with a small block/big block engine. It is built to OEM standards, features a powerful 65,000-volt super coil, and is designed for the coil-in-cap HEI system. The kit is easy to install, comes with a one-year warranty, and provides reliable performance, making it an excellent choice for Chevy enthusiasts.

4. Efi Tbi Distributor & Spark Plug Wires For Sbc & Bbc Gmc/chevrolet 1987-1997 5.0l/5.7l – Hei652r Red Cap 2-In-1 Kit By A-Team Performance

The A-Team Performance EFI TBI Distributor and Spark Plug Wires kit is a reliable and high-performance ignition system solution for SBC BBC GMC Chevrolet vehicles manufactured between 1987 and 1997 with 5.0L and 5.7L engines. This 2-in-1 kit includes a distributor and spark plug wires that are designed to work together seamlessly, providing improved engine performance and reliability.

The distributor in this kit features a heavy-duty, high-grade Chromoly Steel Gear, CNC-machined aluminum housing, and steel internal construction, ensuring durability and longevity. The high-quality magnetic pick-up trigger ensures a consistent and accurate signal to the ignition system, providing reliable engine performance.

The A-Team Performance EFI TBI Distributor and Spark Plug Wires kit includes spark plug wires with a red 90-degree boot for the HEI distributor and a black 90-degree boot for the spark plug. The spark plug wires are made from high-quality materials, ensuring that they are durable and can withstand the high temperatures and harsh conditions under the hood.

The spark plug wires in this kit come with a one-year warranty, giving you peace of mind knowing that you are investing in a high-quality and reliable product. The A-Team Performance EFI TBI Distributor and Spark Plug Wires kit is compatible with a range of vehicles, including C/K Pickup Trucks, Vans, and Camaros with 305 and 350 engines.

Overall, the A-Team Performance EFI TBI Distributor and Spark Plug Wires kit is an excellent investment for anyone looking to upgrade their ignition system. With its heavy-duty construction, high-quality materials, and reliable performance, this kit is sure to provide improved engine performance and reliability.

5. A-Team Performance Pro Series R2r Distributor With Spark Plug Wires & Coil For Sbc Engines With Fixed Collar Black Cap.

A-Team Performance presents its Pro Series R2R Distributor 8mm Under the Exhaust Spark Plug Wires and 50K Volt Coil, designed to cater to high-performance engines. This distributor comes equipped with a black cap and is compatible with GMC Chevrolet small block engines, including SBC 262, 283, 302, 305, 307, 327, 350, and 400 with a fixed collar.

The Pro Series R2R Distributor is a small-cap distributor designed to deliver optimal performance to both small and big block engines. The E-Core ignition coil in the distributor delivers an impressive 50,000 volts, creating a hotter and larger spark to burn fuel more efficiently. This makes the distributor ideal for engines that require a high level of performance.

The distributor comes with 8mm under the exhaust spark plug wires and a 90-degree boot for the distributor and spark plug. The silicone spark plug wires come in black, giving the engine a sleek and uniform look. The 90-degree boot for the spark plug wires is designed to fit "under the exhaust," making it easier to install.

One of the standout features of the Pro Series R2R Distributor is its compatibility with a wide range of Chevrolet GM small block engines. The distributor can be used with SBC 4.3 L / 262 ci, 4.3 L / 265 ci, 4.4 L / 267 ci, 4.6 L / 283 ci, 4.9 L / 302 ci, 5.0 L / 305 ci, 5.0 L / 307 ci, 5.4 L / 327 ci, 5.7 L / 350 ci, and 6.6 L / 400 ci engines. This makes it a versatile option for those who own multiple Chevrolet GM small block engines.

Overall, the A-Team Performance Pro Series R2R Distributor is a high-performance distributor that delivers exceptional results to small and big block engines. Its compatibility with a wide range of engines, coupled with its impressive 50,000-volt coil, make it an ideal choice for those who demand the best performance from their engines.

6. A-Team Performance Pro Series Distributor Kit For Chevy Corvette Sbc With 8.0mm Spark Plug Wires And 45k Volt Coil.

The A-Team Performance Pro Series R2R Distributor, 8.0mm Under the Exhaust Spark Plug Wires, & 45K Volt Coil is a top-of-the-line ignition upgrade for those looking to enhance their Chevy Corvette SBC Tach Drive's performance. This product is compatible with various Chevrolet Small Block V8 Gen.I engines, including 4.3 L/262 ci, 4.3 L/265 ci, 4.4 L/267 ci, 4.6L/ 283 ci, 4.9 L/302 ci/ 5.0 L/305 ci, 5.0 L/307 ci, 5.4 L/327 ci, 5.7 L/350 ci, and 6.6 L/400 ci.

Featuring a Pro Series Ready to Run Distributor, this ignition upgrade is perfect for street performance applications. The distributor's canister coil-style and oil-filled internal construction allow for maximum voltage of 45000 Volts and 350 spark duration, resulting in a more efficient and powerful ignition system.

The under the exhaust spark plug wires set included in this package features black 90-degree boots for both the HEI distributor and spark plug. The 8.0mm wires provide superior conductivity and durability, ensuring a reliable connection between the distributor and spark plugs.

Overall, the A-Team Performance Pro Series R2R Distributor, 8.0mm Under the Exhaust Spark Plug Wires, & 45K Volt Coil is a top-quality ignition upgrade that will enhance the performance of your Chevy Corvette SBC Tach Drive. With its canister coil-style, oil-filled internal construction, and 45000 Volts maximum voltage, this product is a must-have for those looking to take their street performance to the next level.

7. Ignition Combo Kit For Chevy Sbc 350 And Bbc 454 Engines, With Mas Ignition Distributor Including Cap, Rotor, And Spark Plug Wires. Compatible With Gm08, Dd-Sbc-Hei-V8, And 850001r.

The MAS Ignition Distributor w/Cap & Rotor and Spark Plug Wires Ignition Combo Kit is a high-quality product that provides reliable ignition performance for Chevy SBC 350 BBC 454 HEI engines. This kit is compatible with various models, including DD-SBC-HEI-V8, 850001R, 8362, 850001-2, D100, 850002, D1001, GM08, 93440806, 66941R, 66941BK, D1051, and 640000.

The manufacturer ensures that all electronic module components are computer tested before and after assembly to guarantee the highest level of quality. Thus, customers can expect a reliable and durable product that meets Original Equipment Manufacturer (OEM) standards.

It is important to note that customers must check the fitment information before purchasing this product to ensure that it will fit their vehicle. The kit includes a distributor, cap, rotor, and spark plug wires that are designed to work together to provide optimal ignition performance.

The MAS Ignition Distributor w/Cap & Rotor and Spark Plug Wires Ignition Combo Kit is 100% compatible with OEM parts, which ensures that it will seamlessly integrate into the engine and provide the same level of performance as the original parts.

Overall, the MAS Ignition Distributor w/Cap & Rotor and Spark Plug Wires Ignition Combo Kit is an excellent choice for those looking to upgrade their ignition system for their Chevy SBC 350 BBC 454 HEI engine. With its high-quality components and compatibility with OEM parts, customers can expect reliable and long-lasting performance.

8. 10.5 Mm High Performance Spark Plug Wire Set For Hei Sbc Bbc 350 383 454 Electronic (9pcs)

The 10.5 MM High Performance Spark Plug Wire Set for HEI SBC BBC 350 383 454 Electronic (9Pcs) is a must-have for any car enthusiast looking to enhance the performance of their vehicle. This set features high-quality, 10.5mm spark plug wires designed to deliver a stronger spark to your vehicle's engine, resulting in improved power and acceleration.

The set is universal, making it suitable for use with both Small Block Chevy (SBC) and Big Block Chevy (BBC) engines. The Electronic Ignition HEI Plug Wires also come with 90 Degree Boots on Both Ends, ensuring a secure connection and preventing any accidental disconnections.

One of the standout features of this set is the high-temperature 100% pure silicone insulator outer layer. This layer protects the wires from damage caused by heat and other environmental factors, ensuring long-lasting performance and durability.

In addition to their impressive performance, these wires also look great under the hood of your vehicle. Their sleek design and high-quality construction give your engine bay a professional look and feel.

Overall, the 10.5 MM High Performance Spark Plug Wire Set for HEI SBC BBC 350 383 454 Electronic (9Pcs) is an excellent investment for anyone looking to improve the performance of their vehicle. With its universal fit, high-temperature insulation, and impressive performance, this set is sure to impress even the most discerning car enthusiast.

9. A-Team Performance Sbc Distributor Kit With 8mm Wires And E-Coil, Compatible With Chevy Small Block Engines.

The A-Team Performance Ready 2 Run Distributor is a high-performance ignition system designed for Chevrolet Small Block (SBC) engines. This distributor comes equipped with 8.0mm under the exhaust spark plug wires, a 50K volts E-coil, and coil wire, all housed under a sleek black cap.

Compatible with Small Block 262 265 267 283 302 305 307 327 350 400 engines, this distributor is a powerful and efficient addition to any vehicle. Its small cap design allows for more precise timing and a higher RPM range, making it perfect for racing and high-performance driving.

The E-core ignition coil included in this system puts out an impressive 50,000 volts, which results in a hotter and larger spark that burns fuel more efficiently. This increased efficiency means better fuel economy and improved engine performance.

The silicone spark plug wires are designed to fit with an HEI distributor and feature black 90-degree boots for both the distributor and spark plug ends. The wires are specially designed to be placed "under the exhaust" for improved engine performance.

Overall, the A-Team Performance Ready 2 Run Distributor is an excellent choice for anyone looking to upgrade their Chevrolet Small Block engine's ignition system. Its high-performance design and powerful components make it an exceptional value and a must-have for any serious automotive enthusiast.

10. Combo Kit: Mas Performance Hei Distributor, Spark Plug Wires & Pigtail Harness For Chevy Gmc Sbc 305 350 Bbc 454 V8, 65k Coil, 7500rpm, Dd-Sbc-Hei, Replacement For 850001r.

The MAS Performance HEI Distributor & Spark Plug Wires & Free Pigtail Wire Harness Combo Kit is a high-quality replacement for the 850001R model. The kit is designed to meet Original Equipment Manufacturer (OEM) standards, ensuring that it is 100% compatible with OEM parts. The product is suitable for Coil-in-Cap HEI Design System, and it comes in black with a 90 Degree Boot for HEI Distributor and a Black 90 Degree Boot for Spark Plug.

The kit features a Coil Spark of 7,500 RPM, which produces high voltage of up to 65K. This feature ensures that the product delivers excellent performance, making it an ideal choice for those who are looking to upgrade their vehicle's ignition system.

The MAS Performance HEI Distributor & Spark Plug Wires & Free Pigtail Wire Harness Combo Kit is compatible with various Chevy, GMC, Oldsmobile, and Pontiac models, including 283, 305, 307, 327, 350, and 400 small blocks, as well as 396, 427, and 454 big blocks. The kit features a red cap and is ready to run, making it easy to install and use.

The package includes one distributor (complete with distributor, cap, rotor, and coil), one pigtail wire harness, and one set of spark plug wires. The distributor is a high-quality replacement for the 850001R model, and it is backed by a one-year limited warranty.

In summary, the MAS Performance HEI Distributor & Spark Plug Wires & Free Pigtail Wire Harness Combo Kit is an excellent choice for those who are looking to upgrade their vehicle's ignition system. The product is 100% compatible with OEM parts, and it delivers excellent performance. It is easy to install and comes with a one-year limited warranty, making it a reliable and cost-effective option for vehicle owners.

Best Spark Plugs For Sbc 350 FAQs

Are there any specific features to look for when choosing spark plugs for a SBC 350?

Yes, there are specific features to look for when choosing spark plugs for a SBC 350. The first feature to consider is the heat range. The heat range determines how much heat the plug can dissipate and is important for engine performance and longevity. A hotter plug is better for colder climates, while a cooler plug is better for hotter climates. The next feature to consider is the electrode material. Copper is the most common electrode material but platinum and iridium are more durable and long-lasting. The gap size is also important and should be set according to the manufacturer's specifications. Finally, the thread size and reach must match the engine's specifications. Choosing the right spark plugs can improve engine performance and fuel efficiency while also extending the life of the engine.

Can using the wrong spark plugs cause damage to a SBC 350 engine?

Using the wrong spark plugs can potentially cause damage to a SBC 350 engine. Spark plugs play a crucial role in the ignition process, and using the wrong type can result in incomplete combustion and engine misfires. This can cause a buildup of carbon deposits, reduced power, decreased fuel efficiency, and potentially damage the engine over time. It is essential to use the correct spark plugs recommended by the manufacturer and to ensure they are properly gapped and installed. Using spark plugs with a higher heat range than recommended can also cause pre-ignition and detonation, which can cause engine damage. It is always best to consult a professional mechanic or refer to the owner's manual for the appropriate spark plug selection to ensure optimal engine performance and longevity.

What are the top-rated spark plugs for a small block Chevy 350 engine?

1. AC Delco R45TS – These are the OEM spark plugs and are widely used in Chevy engines. They have a copper core and are known for their reliability.

2. NGK TR55 – These spark plugs are made of high-quality materials and offer excellent performance. They have a nickel alloy tip that provides superior heat dissipation.

3. Champion RC12YC – These spark plugs are known for their durability and are popular with Chevy engine owners. They have a copper core and are resistant to fouling.

4. Bosch Platinum Plus – These spark plugs have a platinum center electrode that provides better performance and longer life. They are also known for their excellent fuel efficiency.

Ultimately, the choice of spark plugs will depend on several factors, including the engine's condition, the driving conditions, and the owner's preferences. It is always best to consult with a professional mechanic or refer to the owner's manual for the recommended spark plugs.

What is the recommended spark plug gap for a SBC 350?

The recommended spark plug gap for a SBC 350 engine is 0.035 inches. This gap ensures that the spark plug generates enough voltage to ignite the air-fuel mixture in the combustion chamber. It is essential to maintain the correct gap to avoid misfires, poor fuel economy, and engine damage.

To set the gap correctly, use a spark plug gap tool that can be found at any auto parts store. First, remove the old spark plugs and inspect them for any signs of wear or damage. Then, use the gap tool to adjust the gap to 0.035 inches for the new spark plugs.

It is important to note that some high-performance engines may require a different spark plug gap, so always check the manufacturer's specifications for your specific engine. Additionally, it is recommended to replace spark plugs every 30,000 miles to ensure optimal engine performance.

What type of spark plugs are best for a high-performance SBC 350 engine?

When it comes to choosing spark plugs for a high-performance SBC 350 engine, there are a few factors to consider. First, the plug's heat range should be matched to the engine's specific needs. A colder plug may be necessary for engines that run hotter or have a higher compression ratio.

Secondly, platinum or iridium-tipped plugs are recommended for high-performance engines as they provide better conductivity and durability than traditional copper plugs. These materials are also more resistant to wear and corrosion, making them ideal for high-stress applications.

Finally, the gap size should be carefully set to ensure optimal ignition and combustion. A smaller gap may be necessary for high-performance engines that require a more powerful spark.

Overall, the best spark plugs for a high-performance SBC 350 engine are those that are designed for maximum durability, conductivity, and ignition performance, such as platinum or iridium-tipped plugs with a suitable heat range and gap size.

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