

V-Twin Performance Spark Plugs — Replaces Harley 6R12 Spark Plug
- £37.70
- £37.70
- Unit price
- per
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Free Returns
Description
xUpgrade your Harley with V-Twin Performance Spark Plugs
Designed to replace Harley spark plug 6R12, V-Twin Performance Spark Plugs offer a balanced blend of reliability and everyday power for riders who count on consistent ignition. Built to withstand daily use, these plugs aim to provide a dependable spark across a wide range of riding conditions.
With a robust ceramic insulator and a precision-ground electrode, these plugs are crafted to promote stable combustion. The heat range is tuned to maintain smooth running from cold starts to highway climbs, helping your engine feel more composed under varying loads.
Key benefits you might notice
- Quieter misfires and steadier idle, contributing to a calmer engine feel at stoplights.
- Clearer throttle response and more confident power delivery during acceleration.
- Reliable cold starts, reducing crank time on mornings when the bike sits overnight.
- Potentially longer service intervals with durable materials designed for repeated ignition cycles.
Practical use cases
- Daily riding and commuting with consistent performance.
- Weekend trips and highway cruises for steady torque and reliable starts.
- Maintenance-friendly replacement that can fit into standard service routines.
- Compatibility with Harley engines that specify plug 6R12, making a straightforward upgrade path.
How to install and verify compatibility
Before installation, confirm your bike requires plug 6R12. Use a standard spark plug wrench to remove the old plug, check the gap, and torque to the manufacturer\'s specification. Replace in sets if you are updating multiple cylinders to maintain balanced ignition.
Why choose V-Twin
V-Twin is a trusted brand among riders who value consistent ignition performance and practical upkeep. This replacement option is designed to be a straightforward upgrade for riders seeking reliable starts, smoother operation, and a tidy maintenance workflow without overpromising results.
FAQ
Q: What engine is this spark plug compatible with?
A: Fits Harley-Davidson engines that require plug 6R12; verify fitment with your model and year.
Q: Are any special tools needed for installation?
A: No special tools beyond a standard spark plug wrench; torque to factory specs.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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