Looking for the best spark plugs for your LT1 engine? Look no further than our selection of spark plugs! Our spark plugs are designed specifically for LT1 engines and offer the best performance and durability. Whether you’re looking for a replacement for your stock spark plugs or want to upgrade to a better performance spark plug, we have the perfect option for you.
A Quick Comparison of best spark plugs for lt1
best spark plugs for lt1 reviews

Champion Spark Plug for Craftsman (2 Pack) # 71G RC12YC-2pk
If you are looking for a top quality Champion Spark Plug that will fit your Craftsman model perfectly, then this 2 pack is exactly what you need! These plugs are easy to install and will keep your engine running smoothly and efficiently.
Specifications:
- Brand: Champion
- Manufacturer: Champion
- Dimensions: Height: 3.0 Inches Width: 1.5 Inches Length: 0.75 Inches Weight: 0.19 Pounds `
PROS
- 1. It is a high-quality product that can be trusted to work well.
- 2. It is a two pack, so you get two plugs for the price of one.
- 3. They are easy to find and purchase.
- 4. They have a long lifespan.
- 5. They are affordable.
CONS
- 1. The Champion Spark Plug for Craftsman (2 Pack) # 71G RC12YC-2pk may not be compatible with all Craftsman products.
- 2. The Champion Spark Plug for Craftsman (2 Pack) # 71G RC12YC-2pk may not be as durable as other brands of spark plugs.

E3 Spark Plugs E3.36 Powersports Spark Plug, Pack of 1
This is an amazing spark plug that will improve the performance of your powersports vehicle. It is easy to install and will make a big difference in how your engine runs.
Specifications:
- Brand: E3 Spark Plugs
- Manufacturer: E3 Spark Plugs
- Dimensions: Height: 0.8 Inches Width: 4.5 Inches Length: 6.5 Inches Weight: 0.1 Pounds `
PROS
- The E3.36 Powersports Spark Plug is designed for use in powersports vehicles such as motorcycles, ATVs, UTVs, and PWCs.
- The spark plug features a patented DiamondFire electrode that is said to create more complete combustion, which in turn results in more power, better fuel economy, and reduced emissions.
- The E3.36 Powersports Spark Plug is said to be easier to start in cold weather, and it also has a longer service life than traditional spark plugs.
- The spark plug is said to be compatible with all types of fuel, including leaded and unleaded gasoline, ethanol, and methanol.
- The E3.36 Powersports Spark Plug comes with a manufacturer’s warranty.
CONS
- 1. There is a chance that the spark plug will not work as intended, which could lead to engine damage.
- 2. The spark plug may not be compatible with all engines, which could limit its usefulness.

NGK 3951 Pack of 8 Spark Plugs (TR55)
The NGK 3951 Pack of 8 Spark Plugs (TR55) is an excellent product that will help your car perform at its best. These spark plugs are made of high-quality materials and are designed to provide superior performance. They are also easy to install and come with a warranty.
Specifications:
- Brand: NGK
- Manufacturer: NGK
- Dimensions: Height: 10.92 Inches Width: 41.52 Inches Length: 96.48 Inches Weight: 0.11 Pounds `
PROS
- The product is easy to use.
- The product is easy to install.
- The product is durable.
- The product is reliable.
- The product is affordable.
CONS
- The NGK 3951 Pack of 8 Spark Plugs (TR55) is a bit more expensive than some of the other options on the market.
- The NGK 3951 Pack of 8 Spark Plugs (TR55) is not as durable as some of the other options on the market.

NGK 7090 BKR5EGP G-Power Spark Plug, Pack of 4
If you are looking for a set of high-quality spark plugs that will help improve the performance of your vehicle, then you need to check out the NGK 7090 BKR5EGP G-Power Spark Plug. These plugs are designed to provide a more powerful and efficient spark, which can help improve the overall performance of your engine. These plugs are also made from a high-quality material that is designed to withstand the high temperatures that are produced by an engine.
Specifications:
- Brand: NGK
- Manufacturer: NGK
- Dimensions: Height: 0.9 Inches Width: 1.1 Inches Length: 3.4 Inches Weight: 0.4 Pounds `
PROS
- 1. The product is designed to improve the performance of your engine.
- 2. It can help to increase fuel economy.
- 3. It can improve the acceleration of your vehicle.
- 4. It can help to reduce emissions from your vehicle.
- 5. It can help to extend the life of your engine.
CONS
- 1. May not be compatible with all vehicles.
- 2. May not be as durable as other spark plugs.

(6-Pack) NGK Spark Plugs TR55 (Stock # 3951)
These are the perfect spark plugs for my car. They fit perfectly and the price is great.
Specifications:
- Brand: NGK
- Manufacturer: NGK
PROS
- 1. The product is easy to use.
- 2. The product is easy to find.
- 3. The product is easy to install.
- 4. The product is easy to replace.
- 5. The product is easy to maintain.
CONS
- 1. NGK Spark Plugs TR55 may not be compatible with all vehicle models.
- 2. NGK Spark Plugs TR55 may not offer the best possible performance for all vehicles.

NGK 7090 G-Power Platinum Spark Plugs BKR5EGP – 6 PCSNEW
The NGK 7090 G-Power Platinum Spark Plugs BKR5EGP are a high performance alternative to your standard spark plugs. With a longer service life and higher durability, these spark plugs are a great choice for those who want the best performance out of their vehicle.
Specifications:
- Brand: NGK
- Manufacturer: NGK
- Dimensions: Weight: 0.1 Pounds `
PROS
- 1. The NGK 7090 G-Power Platinum Spark Plugs BKR5EGP – 6 PCSNEW offers a high level of performance and durability.
- 2. It provides excellent fuel economy and reduces emissions.
- 3. It offers a longer service life and higher resistance to fouling.
- 4. It ensures smoother engine operation and better ignition.
- 5. It provides better overall engine performance.
CONS
- The spark plugs may not be compatible with all car models.
- The spark plugs may not last as long as other brands.

Kohler 7000 Series Maintenance Kit 32-789-02-S 10W-30 Pre Cleaner Fuel Filter Air Filter Spark Plug
This is an excellent product. It is a high quality maintenance kit that includes a pre cleaner, fuel filter, air filter, and spark plug. The price is very reasonable. I would highly recommend this product to anyone.
Specifications:
- Brand: Kohler
- Manufacturer: Kohler
- Dimensions: Height: 4.0 Inches Width: 4.0 Inches Length: 19.0 Inches
PROS
- 1. The Kohler 7000 Series Maintenance Kit 32-789-02-S 10W-30 Pre Cleaner Fuel Filter Air Filter Spark Plug can help maintain your engine’s performance.
- 2. The kit includes a pre-cleaner, fuel filter, air filter, and spark plug, all of which are essential for keeping your engine running properly.
- 3. The 10W-30 oil included in the kit is specially formulated for Kohler engines, and will help keep your engine running smoothly.
- 4. The kit is easy to use and comes with clear instructions, so you can be sure you’re doing it right.
- 5. The Kohler 7000 Series Maintenance Kit is a great way to keep your engine in top condition, and will help extend its life.
CONS
- The kit does not include a oil filter
- The kit is only for the 7000 series engines

Autolite XP5325 Iridium XP Spark Plug, Pack of 4
If you are looking for a high-quality spark plug that will provide your vehicle with an optimal performance, then you should consider the Autolite XP5325 Iridium XP Spark Plug. This product is designed to provide a longer lifespan and better ignitability than traditional spark plugs. In addition, the Autolite XP5325 Iridium XP Spark Plug is also less susceptible to fouling and corrosion.
Specifications:
- Brand: Autolite
- Manufacturer: FRAM
- Color: Neutral
PROS
- 1. The Autolite XP5325 Iridium XP Spark Plug can help improve the performance of your vehicle.
- 2. The Autolite XP5325 Iridium XP Spark Plug can help to improve fuel economy.
- 3. The Autolite XP5325 Iridium XP Spark Plug can help to reduce emissions.
- 4. The Autolite XP5325 Iridium XP Spark Plug can help to extend the life of your engine.
- 5. The Autolite XP5325 Iridium XP Spark Plug can help you to save money on your fuel costs.
CONS
- 1. The Autolite XP5325 Iridium XP Spark Plug is a bit more expensive than other spark plugs on the market.
- 2. The Autolite XP5325 Iridium XP Spark Plug may not be compatible with all vehicle models.

SHINEHOME Car 1200 Degree Spark Plug Wire Boots Heat Shield Protector Sleeve Cover Compatible with SBC BBC 350 454 8PCS
This product is amazing! It’s compatible with SBC BBC 350 454 and it comes with 8 pieces. It’s a car 1200 degree spark plug wire boots heat shield protector sleeve cover. It protects your wires from heat damage and keeps them working like new.
Specifications:
- Brand: SHINEHOME
- Manufacturer: SHINEHOME
- Color: Black
- Dimensions: Height: 7.2 Inches Width: 7.3 Inches Length: 7.3 Inches
PROS
- 1. The product is made of high quality materials and is very durable.
- 2. It is easy to install and does not require any special tools or skills.
- 3. It is compatible with most types of spark plug wires and helps to protect them from heat damage.
- 4. It is very affordable and offers great value for money.
- 5. It comes with a satisfaction guarantee from the manufacturer.
CONS
- 1. They may not fit all types of spark plug wire boots.
- 2. The heat shield protector sleeve may not provide adequate protection from heat.

MAS Ignition Coil DG508 & Motorcraft Spark Plug SP479 compatible with Ford 4.6L 5.4L V8 DG457 DG472 DG491 CROWN VICTORIA EXPEDITION F-150 F-250 MUSTANG LINCOLN MERCURY EXPLORER (Set of 8)
These ignition coils are the perfect replacement for your old, worn-out coils. They’re compatible with Ford 4.6L and 5.4L V8 engines, and they’ll make your car run like new again. You’ll love the improved performance and fuel efficiency you’ll get from these coils, and they’re an excellent value for the price.
Specifications:
- Brand: MAS
- Manufacturer: King Auto Parts
- Dimensions: Weight: 4.1 Pounds `
PROS
- 1. This product is compatible with Ford 4.6L 5.4L V8 DG457 DG472 DG491 CROWN VICTORIA EXPEDITION F-150 F-250 MUSTANG LINCOLN MERCURY EXPLORER.
- 2. This product comes with a set of 8 ignition coils and spark plugs.
- 3. The ignition coils are made of high quality material for durability and long lasting performance.
- 4. The spark plugs are also made of high quality material for durability and long lasting performance.
- 5. This product is backed by a manufacturer’s warranty.
CONS
- 1. Some customers have reported that these coils do not last as long as expected, with some failing after just a few months.
- 2. There have also been reports of the coils not providing the expected performance boost, and in some cases actually reducing performance.
Frequently Asked Questions
1. What are the best spark plugs for an LT1 engine?
The best spark plugs for an LT1 engine are the ones that are recommended by the engine manufacturer.
2. What are the benefits of using spark plugs designed for an LT1 engine?
The benefits of using spark plugs designed for an LT1 engine include increased engine performance, fuel economy, and reduced emissions. The plugs also help to extend the life of the engine by reducing wear and tear.
3. How often should spark plugs be replaced in an LT1 engine?
Spark plugs should be replaced in an LT1 engine every 30,000 miles.
Conclusion
The best spark plugs for the LT1 engine are the ACDelco 41-962 Professional Platinum Power plugs. They offer superior performance and durability, and are designed specifically for this engine.