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Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Autolite Racing Spark Plugs are used by many professional race car drivers. These spark plugs contain an Yttrium-Enhanced Alloy, which enables up to 8 percent reduction in side wire temperature for improved durability and less pre-ignition. Autolite racing plugs are available in colder heat ranges than most plug manufacturers to support modified engines and feature a cut background electrode for improved ignitibility and faster flame kernel growth. They are also nickel plated for a long-lasting, corrosion-resistant finish. Since its inception, the Autolite brand has provided the automotive aftermarket and Original Equipment manufacturers the highest quality ignition products. Autolite has been in operation for over 100 years and has produced more than 11 billion spark plugs and glow plugs. These plugs are specifically designed for each application to meet or exceed OE quality and performance. Autolite makes plugs for Japanese, European, and Korean cars as well as plugs for Lawn & Garden and Power Sports. As a leading supplier of spark plugs, the Autolite brand has the right ignition products for your application, regardless of make or model, import or domestic.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What are the dimensions of the Autolite AR103-4PK spark plugs?A: The Autolite AR103-4PK spark plugs measure three point thirty-nine inches in length, four point zero two inches in width, and one inch in height.
Q: What materials are used in the Autolite AR103-4PK spark plugs?A: The Autolite AR103-4PK spark plugs are made with a Yttrium-enhanced alloy and feature a nickel-plated finish for corrosion resistance.
Q: How many spark plugs are included in the Autolite AR103-4PK package?A: The Autolite AR103-4PK package includes four high-performance racing spark plugs.
Q: How do I install the Autolite AR103-4PK spark plugs?A: To install the Autolite AR103-4PK spark plugs, remove the old plugs from the engine, clean the threads, and securely fit the new plugs using a spark plug socket.
Q: Are the Autolite AR103-4PK spark plugs suitable for modified engines?A: Yes, the Autolite AR103-4PK spark plugs are designed for modified engines with colder heat ranges for optimal performance.
Q: Can I use Autolite AR103-4PK spark plugs in my lawn and garden equipment?A: Yes, Autolite offers spark plugs for various applications, including lawn and garden equipment, ensuring compatibility with your needs.
Q: How do I maintain the Autolite AR103-4PK spark plugs?A: To maintain the Autolite AR103-4PK spark plugs, regularly check for wear and replace them as needed to ensure peak engine performance.
Q: What is the shelf life of the Autolite AR103-4PK spark plugs?A: The Autolite AR103-4PK spark plugs do not have a specific shelf life, but it is best to use them within a few years for optimal performance.
Q: How should I store the Autolite AR103-4PK spark plugs?A: Store the Autolite AR103-4PK spark plugs in a cool, dry place, away from moisture and direct sunlight to maintain their integrity.
Q: Are the Autolite AR103-4PK spark plugs good for racing applications?A: Yes, the Autolite AR103-4PK spark plugs are specifically designed for racing applications, providing maximum performance and efficiency.
Q: How do the Autolite AR103-4PK spark plugs compare to other brands?A: The Autolite AR103-4PK spark plugs feature a unique Yttrium-enhanced alloy for improved durability, setting them apart from many competing brands.
Q: Are Autolite spark plugs suitable for both domestic and import vehicles?A: Yes, Autolite spark plugs, including the AR103-4PK model, are designed to fit both domestic and import vehicles.
Q: What should I do if my Autolite AR103-4PK spark plugs arrive damaged?A: If your Autolite AR103-4PK spark plugs arrive damaged, contact the retailer for return or replacement options as per their policy.
Q: Is there a warranty for the Autolite AR103-4PK spark plugs?A: Yes, the Autolite AR103-4PK spark plugs typically come with a warranty; check the packaging or retailer for specific details.
Q: What if my vehicle has trouble starting after installing Autolite AR103-4PK spark plugs?A: If your vehicle has trouble starting after installation, ensure the spark plugs are properly seated and consider checking other ignition components.
Q: Do the Autolite AR103-4PK spark plugs require special tools for installation?A: No, the Autolite AR103-4PK spark plugs can be installed using standard spark plug sockets and wrenches, making installation straightforward.