Buell Thunderbolt Touring S3T Spark Plug
The Buell Thunderbolt Touring S3T (1200cc) takes an NGK DCPR8E spark plug, gapped to 0.040".
Key takeaways
- Spark plug: NGK DCPR8E.
- Iridium upgrade: NGK DCPR8EIX.
- Gap: 0.040 inch - set it before fitting.
- Covers 2001-2010.
Buy the plugs for your Buell Thunderbolt Touring S3T
The standard plug is the exact-fit replacement. The iridium version drops into the same spot, lasts longer, and fires a little stronger for a few dollars more. Many engines take more than one - check how many cylinders you have.
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Frequently asked
What spark plug does a Buell Thunderbolt Touring S3T take?
The Buell Thunderbolt Touring S3T takes an NGK DCPR8E spark plug, gapped to 0.040 inch. The iridium upgrade is the DCPR8EIX.
What is the spark plug gap for a Buell Thunderbolt Touring S3T?
The spark plug gap for the Buell Thunderbolt Touring S3T is 0.040 inch. Check and set the gap before fitting a new plug - most powersports plugs need a small adjustment out of the box.
Can I use an iridium plug in a Buell Thunderbolt Touring S3T?
Yes. The DCPR8EIX is the iridium version of the DCPR8E - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Buell Thunderbolt Touring S3T
We cover the other consumables for your machine too - the exact fit, cited, in one place.