Review: NGK is a well-known brand in the automotive industry for producing high-quality spark plugs and other related parts. In this review, we will be discussing some of their products that are suitable for boats and jet skis. 1. NGK Spark Plug BR8ES - Set of 4: The NGK Spark Plug BR8ES is a solid spark plug designed to provide reliable performance in marine applications. It features a high-strength nickel alloy center electrode and an iridium tip for superior ignition efficiency. This set of four spark plugs is suitable for boats with up to 200 horsepower engines. Pros: - High-quality materials used in the construction of these spark plugs ensure reliable performance. - The solid center electrode and iridium tip provide excellent ignition efficiency, which helps improve engine performance. - These spark plugs are easy to install and require minimal maintenance. Cons: - They may not be suitable for boats with engines larger than 200 horsepower. - Some users have reported that these spark plugs do not last as long as expected. 2. NGK (4339) Standard Spark Plug, Pack of 1: The NGK (4339) Standard Spark Plug is a reliable and affordable option for boats with up to 60 horsepower engines. It features a high-strength nickel alloy center electrode and an iridium tip for superior ignition efficiency. This spark plug is designed to provide long-lasting performance, making it a great choice for those who want to save money on maintenance costs. Pros: - High-quality materials used in the construction of this spark plug ensure reliable performance. - The solid center electrode and iridium tip provide excellent ignition efficiency, which helps improve engine performance. - This spark plug is affordable and can help you save money on maintenance costs. Cons: - They may not be suitable for boats with engines larger than 60 horsepower. - Some users have reported that these spark plugs do not last as long as expected. 3. NGK Plug Boots for SeaDoo GS GSI GSX GTI GTI LE GTS GTX GTX Ltd SP SPX XP Jet Boat Challenger: NGK Plug Boots are designed to protect the spark plugs from water and other elements that can damage them. These boots are specifically designed for SeaDoo boats, making them a great choice for those who own these vessels. They come in a variety of sizes to fit different types of spark plugs, making it easy to find the right ones for your boat. Pros: - High-quality materials used in the construction of these boots ensure reliable protection for the spark plugs. - These boots are specifically designed for SeaDoo boats, making them a great choice for those who own these vessels. - They come in a variety of sizes to fit different types of spark plugs, making it easy to find the right ones for your boat. Cons: - Some users have reported that these boots can be difficult to install. - They may not provide adequate protection if they are damaged or worn out. 4. NGK 3961 BR8ES SOLID Standard Spark Plug, Pack of 10: The NGK 3961 BR8ES SOLID Standard Spark Plug is a reliable and affordable option for boats with up to 250 horsepower engines. It features a high-strength nickel alloy center electrode and an iridium tip for superior ignition efficiency. This spark plug is designed to provide long-lasting performance, making it a great choice for those who want to save money on maintenance costs. Pros: - High-quality materials used in the construction of this spark plug ensure reliable performance. - The solid center electrode and iridium tip provide excellent ignition efficiency, which helps improve engine performance. - This spark plug is affordable and can help you save money on maintenance costs. Cons: - They may not be suitable for boats with engines larger than 250 horsepower. - Some users have reported that these spark plugs do not last as long as expected. 5. NGK (5422) BR8ES Spark Plug - Pack of 10: The NGK (5422) BR8ES Spark Plug is a reliable and affordable option for boats with up to 300 horsepower engines. It features a high-strength nickel alloy center electrode and an iridium tip for superior ignition efficiency. This spark plug is designed to provide long-lasting performance, making it a great choice for those who want to save money on maintenance costs. Pros: - High-quality materials used in the construction of this spark plug ensure reliable performance. - The solid center electrode and iridium tip provide excellent ignition efficiency, which helps improve engine performance. - This spark plug is affordable and can help you save money on maintenance costs. Cons: - They may not be suitable for boats with engines larger than 300 horsepower. - Some users have reported that these spark plugs do not last as long as expected. 6. New NGK Standard Spark Plug DCPR8E, 4339 Set of 4 Spark Plugs: The New NGK Standard Spark Plug DCPR8E is a reliable and affordable option for boats with up to 200 horsepower engines. It features a high-strength nickel alloy center electrode and an iridium tip for superior ignition efficiency. This spark plug is designed to provide long-lasting performance, making it a great choice for those who want to save money on maintenance costs. Pros: - High-quality materials used in the construction of this spark plug ensure reliable performance. - The solid center electrode and iridium tip provide excellent ignition efficiency, which helps improve engine performance. - This spark plug is affordable and can help you save money on maintenance costs. Cons: - They may not be suitable for boats with engines larger than 200 horsepower. - Some users have reported that these spark plugs do not last as long as expected. 7. 4339 Set of 4 Spark Plugs, 2 Pack Seadoo Drain Plug Oem# 292000685 Gtx Di Gtx Rfi 4tec Gti Le Rfi Rx Gs Sea Doo: The 4339 Set of 4 Spark Plugs is a reliable and affordable option for boats with up to 200 horsepower engines. It features a high-strength nickel alloy center electrode and an iridium tip for superior ignition efficiency. This spark plug is designed to provide long-lasting performance, making it a great choice for those who want to save money on maintenance costs. Pros: - High-quality materials used in the construction of this spark plug ensure reliable performance. - The solid center electrode and iridium tip provide excellent ignition efficiency, which helps improve engine performance. - This spark plug is affordable and can help you save money on maintenance costs. Cons: - They may not be suitable for boats with engines larger than 200 horsepower. - Some users have reported that these spark plugs do not last as long as expected. 8. NEW SEA DOO DRAIN PLUG AND BASE SP SPI SPX GS GSI GSX HX XP GTS LRV GTX RFI RX: The NEW SEA DOO DRAIN PLUG AND BASE SP SPI SPX GS GSI GSX HX XP GTS LRV GTX RFI RX is a reliable and affordable option for boats with up to 200 horsepower engines. It features a high-strength rubber drain plug and base that provides excellent protection against water damage. This drain plug is designed to provide long-lasting performance, making it a great choice for those who want to save money on maintenance costs. Pros: - High-quality materials used in the construction of this drain plug ensure reliable performance. - The rubber drain plug and base provide excellent protection against water damage. - This drain plug is affordable and can help you save money on maintenance costs. Cons: - Some users have reported that these drain plugs do not last as long as expected. - They may not be suitable for boats with engines larger than 200 horsepower. 9. Set of 8 Spark Plug NGK Resistor BR8ES: The Set of 8 Spark Plug NGK Resistor BR8ES is a reliable and affordable option for boats with up to 250 horsepower engines. It features high-quality materials that ensure reliable performance, making it a great choice for those who want to save money on maintenance costs. Pros: - High-quality materials used in the construction of these spark plugs ensure reliable performance. - The resistor design provides excellent protection against electrical damage. - This set of spark plugs is affordable and can help you save money on maintenance costs. Cons: - They may not be suitable for boats with engines larger than 250 horsepower. - Some users have reported that these spark plugs do not last as long as expected. 10. Coarse Seadoo Drain Plug 292000187 Gsx Gsi Gtx Gts Xp Rx Wake Hx Spx Lrv Sea Doo: The Coarse Seadoo Drain Plug 292000187 Gsx Gsi Gtx Gts Xp Rx Wake Hx Spx Lrv Sea Doo is a reliable and affordable option for boats with up to 250 horsepower engines. It features high-quality materials that ensure reliable performance, making it a great choice for those who want to save money on maintenance costs. Pros: - High-quality materials used in the construction of this drain plug ensure reliable performance. - The coarse design provides excellent protection against debris and other elements. - This drain plug is affordable and can help you save money on maintenance costs. Cons: - They may not be suitable for boats with engines larger than 250 horsepower. - Some users have reported that these drain plugs do not last as long as expected. In conclusion, NGK produces high-quality spark plugs and other related parts that are suitable for boats and jet skis. These products are designed to provide reliable performance and can help you save money on maintenance costs.