HARLEY 4265 Box Autolite Spark Plugs Big

( Brand: Harley ), ( Manufacturer Part Number: 4265 ), ( Type: Spark Plug )

Review HARLEY Nd Box Of Autolite Spark Plugs 1984 94 Davidson Big fits EVO TWIN 1984-94–2010

ND 4265 Box 10 Autolite Iridium Spark Plugs for 1984-1994 Harley-Davidson Evo Big Twin

Experience the unparalleled performance and reliability of the ND 4265 Box 10 Autolite Iridium Spark Plugs, expertly designed for your 1984-1994 Harley-Davidson Evo Big Twin. These high-quality spark plugs are a perfect upgrade, ensuring optimal engine performance and longevity.

The ND 4265 Box 10 Autolite Iridium Spark Plugs are renowned for their superior iridium construction, offering an ultra-fine, durable center electrode that provides a longer lifespan compared to conventional copper spark plugs. This results in a more consistent and powerful spark, promoting efficient combustion and improved fuel economy.

Designed with Harley-Davidson Evo Big Twin engines in mind, these spark plugs provide an ideal fit and function, ensuring seamless integration into your motorcycle's ignition system. The ND 4265 Box 10 Autolite Iridium Spark Plugs are engineered to deliver excellent heat range and resistance to fouling, ensuring consistent performance in various riding conditions.

Installation of these spark plugs is straightforward, making them an accessible upgrade for both professional mechanics and DIY enthusiasts. With the ND 4265 Box 10 Autolite Iridium Spark Plugs, you can expect a smoother, more powerful ride and increased engine efficiency, transforming your Harley-Davidson Evo Big Twin into a high-performance machine. Upgrade today and experience the difference that ND 4265 Box 10 Autolite Iridium Spark Plugs can make in your Harley-Davidson Evo Big Twin's performance.

1. **Brand Reputation:** Autolite is a well-known brand in the automotive industry, which can provide confidence in the quality of the spark plugs.

2. **Universal Fitment:** These spark plugs are designed to fit a wide range of Harley Davidson Evo Big Twin models from 1984 to 1994, making them a convenient choice for many owners.

3. **Quantity:** This box contains ten spark plugs, offering good value for money if you need to replace multiple plugs at once.

4. **Long Life:** Autolite claims that these spark plugs provide a longer lifespan compared to other standard spark plugs, reducing the need for frequent replacements.

1. **Potential Gapping Issue:** The spark plugs might not be pre-gapped according to the Harley Davidson specifications, requiring additional work before installation.

2. **Price:** While offering good value in terms of quantity, the cost per individual spark plug might be slightly higher compared to some other brands.

3. **Not Suitable for All Models:** Although these spark plugs are designed for a wide range of Evo Big Twin models, they may not be compatible with all variations or later models. It's essential to confirm compatibility for your specific bike model and year.

The ND4265 Box 10 Autolite Spark Plugs for 1984-1994 Harley Davidson Evo Big Twin can be a reliable choice due to the brand's reputation and the length of their expected lifespan. However, potential issues such as the need for re-gapping and the relatively higher cost per plug should be considered. It's recommended to verify compatibility with your specific bike model and year before purchasing. If you find a more cost-effective option that meets your needs, it might be worth exploring those alternatives as well.

Details:

Free shipping in the USA This sale is for 10 new 4265 Autolite spark plugs. They were used for 1984 94 Harley Davidson Evo Big Twins.

part #: 4265 prices

• $9.99-$30.95

specifications cyclesparkplugs:

• for models: Evo, Twin
• for makes: Harley, Davidson
• for years: 1984-94-2010
• brand: Harley
• mpn: 4265
• type: Spark Plug

seller cyclesparkplugs:

• rating: 99.8%
• city: Westminster, Maryland
• # reviews: 5874

offer cyclesparkplugs:

• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: July 27, 2025

shipping cyclesparkplugs:

• carrier: USPS
• class: Standard
• transit: 5-11 Days
• cost: $0.00
• service: USPS Ground Advantage
• type: Calculated

payments cyclesparkplugs:

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

general cyclesparkplugs:

• condition: New
• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Spark Plugs

returns cyclesparkplugs:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

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