STITT R-847 Sparkplug

( Brand: Stitt ), ( Manufacturer Part Number: R-847 ), ( Type: Sparkplug )

Review STITT Sparkplug 847

The Stitt R-847 spark plug is a high-performance ignition component designed for automotive applications. This spark plug is engineered to deliver superior ignition performance, ensuring a more complete and efficient combustion process.

The R-847 spark plug features a fine-tuned, iridium center electrode design. Iridium is a noble metal that offers superior durability, strength, and conductivity compared to traditional copper or nickel electrodes. The iridium center electrode is accompanied by a nickel-silicon ground electrode, which provides excellent conductivity and ensures reliable spark transmission.

The R-847 spark plug also boasts a tapered insulator design, which helps to reduce electrode fouling and improve heat transfer. This design allows the spark plug to maintain optimal operating temperature, ensuring consistent performance and extended service life.

Additionally, the R-847 spark plug features a specially engineered insulator material that promotes excellent thermal conductivity and reduces the chances of hot-spots forming within the plug. This insulator material helps to prevent pre-ignition and knocking, allowing the engine to run more smoothly and efficiently.

The Stitt R-847 spark plug is suitable for use in a wide range of automotive applications, including gasoline and diesel engines. It is designed to meet or exceed OEM specifications, making it an excellent choice for both factory-installed and aftermarket installations.

Overall, the Stitt R-847 spark plug is an excellent choice for any automotive enthusiast or professional mechanic seeking high-performance ignition components. Its advanced design features, including the iridium center electrode and tapered insulator, make it a reliable and durable option for ensuring optimal engine performance and extended service life.

The Stitt R-847 spark plug is a popular choice among automotive enthusiasts due to its advanced design and performance benefits. However, like any other product, it comes with its own set of pros and cons.

1. Improved Performance: The Stitt R-847 spark plug is designed to provide better combustion efficiency, leading to improved engine performance and increased power output.

2. Longer Life Span: Compared to standard spark plugs, the R-847 has a longer lifespan, reducing the need for frequent replacements.

3. Enhanced Fuel Economy: With better combustion efficiency comes improved fuel economy, resulting in savings at the pump.

4. Durable Construction: The R-847 spark plug features a robust construction, making it suitable for high-performance applications and extreme driving conditions.

1. Higher Cost: The Stitt R-847 spark plug is more expensive than standard spark plugs, making it a less budget-friendly option.

2. Not Suitable for All Engines: The R-847 spark plug is primarily designed for high-performance engines and may not be suitable for all vehicle applications.

3. Installation Requirements: Installing the R-847 spark plug may require specialized tools and knowledge, adding to the overall cost and complexity.

In conclusion, the Stitt R-847 spark plug offers significant performance benefits, including improved engine performance, longer lifespan, enhanced fuel economy, and durable construction. However, its higher cost, limited suitability for all engines, and installation requirements make it a less ideal choice for budget-conscious consumers or those with standard engines.

Based on the above analysis, I would recommend the Stitt R-847 spark plug for individuals who prioritize performance and are willing to invest in a high-quality spark plug. However, for those on a budget or with standard engines, a more affordable and suitable alternative may be a better option. Ultimately, the decision depends on your specific needs and priorities.

Details:

Brand new Stitt Sparkplug R 847.

part #: r847 price

• $15.00

specifications disripa:

• brand: Stitt
• mpn: R-847
• type: Sparkplug

seller disripa:

• # reviews: 208
• city: Rio Vista, California
• rating: 100.0%

general disripa:

• Car Truck Parts Accessories > Ignition Systems Components > Distributors
• condition: New other see details

returns disripa:

• policy: No Returns

shipping disripa:

• service: USPS Ground Advantage
• cost: $8.85
• carrier: USPS
• transit: 4-13 Days
• class: Standard
• type: Calculated

payments disripa:

• credit card: Discover
• wallet: Google-pay
• other

offer disripa:

• availability: In Stock
• options: Ship-to-home
• quantity: 10
• started: December 16, 2025
• best offers: True
• sold: 0

Stitt R-847 Is Similar To:

• Stitt Sparkplug R-807 (79.2% similar) New sparkplug part #R807...(December 16th, 2025)