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Motorcycle Spark Plugs
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Performance Motorcycle Spark Plugs
A wide variety of motorcycle spark plugs that riders need are available here at Harley-Davidson. We have standard spark plug options for bikes that use standard plugs. We also offer options that are cleaner burning, which is great for applications with a rich air-fuel mixture. Someone riding a racing bike might need them. Motorcycle spark plug wires are a good idea to make sure the bike always has a great connection.
Consider a Cooling Fan
We can also set a rider up with one of our motorcycle cooling fan kits. These reduce the engine's operating temperatures without blowing warm air onto the rider’s legs. The cooling fan kits direct air away from the engine, lowering its temperature. Riders who install these tend to notice a smoother bike performance. Plus, the motorcycle shouldn't feel too hot if it's ever stuck in traffic.
We’re Here to Help
We can provide replacement spark plugs or help with grounding an electrode. Replacing spark plugs can boost a motorcycle’s fuel economy, and it will help improve the performance of the ignition system. We also have a variety of motorcycle batteries to fit your Harley bike. A new battery reduces the chances of getting stuck on the road without a working ride.
We've got the motorcycle spark plugs Harley owners need for a great riding experience. Consider a set of copper spark plugs. They have ideal conductivity, so they'll ignite the bike's combustion chamber. Our savvy Harley-Davidson associates can help with installation at any of our retail stores. You can also place an order online and receive it at home or work.
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©2024 H-D or its affiliates. HARLEY-DAVIDSON, HARLEY, H-D, and the Bar and Shield Logo are among the trademarks of H-D U.S.A., LLC. Third-party trademarks are the property of their respective owners.
Disclaimers
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Recommended 91 octane (95 RON) or higher fuel (R+M)/2.
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Values shown are nominal. Performance may vary by country and region.
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Standard and optional fuel systems may vary by country.
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See motorcycle owner’s manual for complete details.
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Estimated from fuel economy tests on a sample motorcycle from the corresponding family conducted by Harley-Davidson under ideal laboratory conditions. Not all motorcycle models undergo fuel economy testing. Fuel economy and mileage may vary among motorcycle models within a family. Your mileage may vary depending on your personal riding habits, weather conditions, trip length, vehicle condition and vehicle configuration and other conditions. Break-in mileage may vary.
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Prices listed are the Manufacturer’s Suggested Retail Prices for base models. Options such as color are available at additional cost. Prices exclude tax, title, licensing, registration fees, destination charges, surcharges (attributable to raw materials costs in the product supply chain), added accessories, and additional dealer charges, if any, and are subject to change. Harley-Davidson reimburses dealers for performing manufacturer-specified pre-delivery inspection and setup tasks. Dealer prices may vary.
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Measurement reflects 180 lb. (81.7 kg) operator weight.
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North America security system includes immobilizer; outside North America the security system includes immobilizer and siren.
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Standard and optional wheels may vary by country and region.
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Financing Offer available only on new Harley‑Davidson® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Not all applicants will qualify. 6.24% APR offer is available on new Harley‑Davidson® motorcycles to high credit tier customers at ESB and only for up to a 60 month term. The APR may vary based on the applicant’s past credit performance and the term of the loan. For example, a 2023 Road Glide® Limited motorcycle in Vivid Black with an MSRP of $29,399, no down payment and amount financed of $29,399, 60 month repayment term, and 6.24% APR results in monthly payments of $571.65. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at any time. See your Harley‑Davidson® Dealership for details.
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Financing Offer available for Used Harley‑Davidson® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Not all applicants will qualify. 7.59% APR offer is available on Used Harley‑Davidson® motorcycles to high credit tier customers at ESB and only for up to a 60 month term. The APR may vary based on the applicant’s past credit performance and the term of the loan. For example, a 2015 Softail® Deluxe model in Vivid Black with a sale price of $17,845, no down payment and amount financed of $17,845, 60 month repayment term, and 7.59% APR results in monthly payments of $358.34. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at any time. See your Harley‑Davidson® Dealership for details.
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$0 Down and as Low as 3.99% APR
*Financing Offer available only on select, untitled 2022 and 2023 Harley-Davidson® Grand American Touring, Adventure Touring, Trike, CVO™, Softail® and Custom motorcycles financed through Eaglemark Savings Bank and is subject to credit approval. Touring models Road King® Special and Electra Glide® Highway King are excluded. Harley-Davidson® Anniversary and Icons Motorcycle Collection are excluded. Not all applicants will qualify as the Annual Percentage Rate (APR) will vary based on the applicant’s past credit performance and the term of the loan. Financing offer is available only for up to a 60-month term. For example, a 2023 Street Glide® Special motorcycle in Bright Billiard Blue/Billiard Gray with Chrome Finish and an MSRP of $29,499, no down payment and amount financed of $29,499, 60-month repayment term, and 3.99% APR results in monthly payments of $543.14. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Customer must take delivery by October 31, 2024. This Financing Offer is valid during the period of August 27, 2024, to October 31, 2024. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at anytime. See your Harley-Davidson® Dealership for details.CUSTOMIZATION CREDIT
**Up to $2,000 incentive valid for in-dealership purchase of Genuine Harley-Davidson® Parts & Accessories and/or Apparel & Licensed merchandise in connection with the purchase of select Grand American Touring, Trike and Softail motorcycles valid at participating Harley-Davidson® dealerships within the U.S. including Alaska and Hawaii. Offer valid toward the purchase of select new, untitled 2022 or 2023 Harley-Davidson® Grand American Touring, Trike and Softail motorcycles available and in stock at participating H-D® dealers between August 27, 2024 and October 31, 2024. Offer may not be available in all states. Touring models Road King® Special, Road Glide®, Street Glide® and Electra Glide® Highway King are excluded. Harley-Davidson® Anniversary, CVO™, Icons Motorcycle Collection and Police Duty Motorcycles are excluded. Offer cannot be redeemed for cash or cash equivalent. Offer is subject to change at any time without notice. Void where prohibited or restricted by law. Dealer participation may vary. Additional restrictions apply, see your Harley-Davidson® Dealership for details. -
Financing Offer available only on new Harley-Davidson® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Not all applicants will qualify. This 11.84% offer is available on new Harley Davidson® motorcycles to high credit tier customers at ESB and only for up to an 84-month term. The APR may vary based on the applicant’s past credit performance and the term of the loan. For example, a 2024 Pan America® 1250 Special motorcycle in Billiard Gray with an MSRP of $19,999, 10% down payment and amount financed of $17,999.10, 84-month repayment term, and 11.84% APR results in monthly payments of $316.20. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at any time. See your Harley-Davidson® Dealership for details.
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Financing Offer available only on new Harley-Davidson® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Not all applicants will qualify. This 12.74% offer is available on new Harley Davidson® motorcycles to high credit tier customers at ESB and only for up to a 96-month term. The APR may vary based on the applicant’s past credit performance and the term of the loan. For example, a 2024 Street Glide® motorcycle in Billiard Gray with an MSRP of $25,999, 10% down payment and amount financed of $23,399.10, 96-month repayment term, and 12.74% APR results in monthly payments of $389.88. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at any time. See your Harley-Davidson® Dealership for details.
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Prices listed are the Manufacturer’s Suggested Retail Prices (MSRP). MSRP excludes tax, title, licensing, registration fees, destination charges (including freight, handling and processing), surcharges (attributable to raw materials cost in the product supply chain), dealer-added accessories and installation, and additional dealer charges, if any. Harley-Davidson charges dealers for destination charges (including freight, handling and processing) and may make a profit on those charges. Harley-Davidson reimburses dealers for performing manufacturer-specified pre-delivery inspection and setup tasks. Dealer prices may vary.
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Financing Offer available only on new Harley‑Davidson® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Not all applicants will qualify. 6.14% APR offer is available only to high credit tier customers who have completed a Riding Academy, Skilled Riders, MSF or other state accredited course within 180 days of application date and only for up to a 60 month term. The APR may vary based on the applicant’s past credit performance and the term of the loan. For example, a 2023 Heritage Classic 114 in Vivid Black with an MSRP of $21,199, 10% down payment and amount financed of $19,079.10, 60 month repayment term, and 6.14% APR results in monthly payments of $370.10. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at anytime. See your Harley-Davidson® Dealership for details.
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Financing Offer available only on used Harley‑Davidson motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Not all applicants will qualify. 6.94% APR offer is available only to high credit tier customers who have completed a Riding Academy, Skilled Riders, MSF or other state accredited course within 180 days of application date and only for up to a 60 month term. The APR may vary based on the applicant's past credit performance and the term of the loan. For example, a 2020 Softail Deluxe model in Vivid Black with a sale price of $18,049, no down payment and amount financed of $18,049, 60 month repayment term, and 6.94% APR results in monthly payments of $356.88. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at anytime. See your Harley-Davidson® Dealership for details.
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Visit H-DVisa.com for details. The creditor and issuer of the Harley‑Davidson® Visa® card is U.S. Bank National Association, pursuant to a license from Visa U.S.A. Inc.
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Financing offer available only to Active United States Military personnel and only on Harley‑Davidson® motorcycles financed through Eaglemark Savings Bank and is subject to credit approval. Not all applicants will qualify. No Money Down offer is available only to well-qualified credit tier applicants. 8.69% APR offer is available only to the highest credit tier applicants and only for up to 60 months term. The APR and down payment may vary based on the applicant’s past credit performance and the term of the loan. For example, a 2023 Softail® Standard motorcycle in Vivid Black with an MSRP of $14,399, no down payment and amount financed of $14,399, 60 month repayment term and 8.69% APR results in monthly payments of $296.74. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Other terms, conditions and limitations may apply. Financing offer is subject to change or cancellation at any time. See your Harley‑Davidson® Dealership for details. Active Military includes: United States Army, Navy, Marine, Air Force, Coast Guard, National Guard and Reserves.
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Financing Offer available only on new Harley-Davidson® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Not all applicants will qualify. This 11.29% offer is available on new Harley Davidson® motorcycles to high credit tier customers at ESB and only for up to an 84-month term. The APR may vary based on the applicant’s past credit performance and the term of the loan. For example, a 2024 Nightster® motorcycle in Billiard Gray with an MSRP of $11,999 a 10% down payment and amount financed of $10,799.10, 84-month repayment term, and 11.29% APR results in monthly payments of $186.56. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at any time. See your Harley-Davidson® Dealership for details.
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Financing Offer available only on new Harley-Davidson® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Not all applicants will qualify. This 11.29% offer is available on new Harley Davidson® motorcycles to high credit tier customers at ESB and only for up to an 84-month term. The APR may vary based on the applicant’s past credit performance and the term of the loan. For example, a 2024 Softail® Standard motorcycle in Billiard Gray with an MSRP of $14,999, a 10% down payment and amount financed of $13,499.10, 84-month repayment term, and 11.29% APR results in monthly payments of $233.20. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at any time. See your Harley-Davidson® Dealership for details.
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Financing Offer available only on new Harley-Davidson® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Not all applicants will qualify. This 12.29% offer is available on new Harley Davidson® motorcycles to high credit tier customers at ESB and only for up to an 96-month term. The APR may vary based on the applicant’s past credit performance and the term of the loan. For example, a 2024 Street Glide® Standard motorcycle in Billiard Gray with an MSRP of $25,999, a 10% down payment and amount financed of $23,399.10, 96-month repayment term, and 12.29% APR results in monthly payments of $384.04. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at any time. See your Harley-Davidson® Dealership for details.
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Financing Offer available only on select, untitled 2024 Harley-Davidson® Grand American Touring, Adventure Touring, Trike, CVO™, Softail® and Custom motorcycles financed through Eaglemark Savings Bank and is subject to credit approval. Harley-Davidson® Icons Motorcycle Collection are excluded. Not all applicants will qualify as the Annual Percentage Rate (APR) will vary based on the applicant’s past credit performance and the term of the loan. Financing offer is available only for up to a 60-month term. For example, a 2024 Street Glide® motorcycle in Whiskey Fire Red with Chrome Trim and an MSRP of $26,849, no down payment and amount financed of $26,849, 60-month repayment term, and 3.99% APR results in monthly payments of $494.34. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Customer must take delivery by October 31, 2024. This Financing Offer is valid during the period of August 27, 2024 to October 31, 2024. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at anytime. See your Harley-Davidson® Dealership for details.
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$500 to $3,000 incentive on select new, untitled 2022, 2023 and 2024 Harley-Davidson® motorcycles valid at participating Harley-Davidson® dealerships within the U.S. including Hawaii and Alaska. Offer varies by model. Valid toward the purchase of select new, untitled 2022, 2023 or 2024 Harley-Davidson® motorcycles available and in stock at participating H-D® dealers between November 1, 2024 and December 31, 2024. Offer not valid on previously purchased motorcycles. Other terms, conditions, limitations and exclusions may apply. Offer is subject to change at any time without notice. Void where prohibited or restricted by law. Dealer participation may vary. Additional restrictions apply, see your Harley-Davidson® Dealership for details.
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$1,000 incentive on select new, untitled 2024 Cruiser® motorcycles valid at participating Harley-Davidson® dealerships within the U.S. including Hawaii and Alaska. Valid toward the purchase of select new, untitled 2024 Harley-Davidson® Cruiser® motorcycles available and in stock at participating H-D® dealers between November 1, 2024 and December 31, 2024. Offer not valid on previously purchased motorcycles. Other terms, conditions, limitations and exclusions may apply. Offer is subject to change at any time without notice. Void where prohibited or restricted by law. Dealer participation may vary. Additional restrictions apply, see your Harley-Davidson® Dealership for details.
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Financing Offer available only on select, untitled 2024 Harley-Davidson® Cruiser motorcycles financed through Eaglemark Savings Bank and is subject to credit approval. Not all applicants will qualify as the Annual Percentage Rate (APR) will vary based on the applicant’s past credit performance and the term of the loan. Financing offer is available only for up to a 60-month term. For example, a 2024 Low Rider® ST motorcycle in Red Rock with an MSRP of $24,149, no down payment and amount financed of $24,149, 60-month repayment term, and 3.99% APR results in monthly payments of $444.63. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Customer must take delivery by December 31, 2024. This Financing Offer is valid during the period of November 1, 2024, to December 31, 2024. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at anytime. See your Harley-Davidson® Dealership for details.
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The extension of the Motorcycle Limited Warranty is valid on new, previously untitled 2022, 2023, 2024 and 2025 Harley-Davidson® motorcycles purchased and delivered between November 1, 2024 and March 31, 2025. Offer excludes Company Owned Vehicles (COV), Police Duty Motorcycles, Fleet, EagleRider, and DEMO motorcycles. Warranty coverage on all eligible motorcycles sold and delivered during the sales period will be extended through April 30, 2027. All other terms of the Motorcycle Limited Warranty, which can be found in your Harley-Davidson Owner's Manual, remain the same. See dealer for details.
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Terms, conditions, and additional fees apply. Motorcycles may be ineligible for return due to excess wear and tear, excessive modifications, or other conditions.
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Financing Offer available only on New Harley-Davidson® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Not all applicants will qualify. 8.49% APR offer is available only to high credit tier customers at ESB and only for a 48-month term. The APR may vary based on the applicant s past credit performance and the term of the loan. For example, a 2024 Road Glide® in Billiard Gray with an MSRP of $26,599, 10% down payment and amount financed of $23,939.10, 48-month repayment term, and 8.49% APR results in 47 monthly payments of $356.19 and a 48th balloon payment of $13,661.47. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. This Financing Offer is valid during the period of December 19, 2024 - December 31, 2024. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at anytime.
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Financing Offer available only on new Harley-Davidson® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Not all applicants will qualify. This 12.74% offer is available on new Harley Davidson® motorcycles to high credit tier customers at ESB and only for up to a 96-month term. The APR may vary based on the applicant’s past credit performance and the term of the loan. For example, a 2024 Road Glide® motorcycle in Billiard Gray with an MSRP of $25,999, 10% down payment and amount financed of $23,399.10, 96-month repayment term, and 12.74% APR results in monthly payments of $389.88. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at any time. See your Harley-Davidson® Dealership for details.
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Financing Offer available only on new Harley-Davidson® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Not all applicants will qualify. This 11.84% offer is available on new Harley Davidson® motorcycles to high credit tier customers at ESB and only for up to an 84-month term. The APR may vary based on the applicant’s past credit performance and the term of the loan. For example, a 2024 Nightster® motorcycle in Billiard Gray with an MSRP of $11,999, 10% down payment and amount financed of $10,799.10, 84-month repayment term, and 11.84% APR results in monthly payments of $189.14. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. Other terms, conditions, and limitations may apply. Dealer participation may vary. Financing offer is subject to change or cancellation at any time. See your Harley-Davidson® Dealership for details.
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