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Mishimoto
340 Thermostat
SKU: MMTS-MOP-11L
$34.99
Estimated Install Cost
Total with part: $109.99–$234.99
Warranty Safe
50-State Legal
Great entry-level mod for any build
Compatible Vehicles
2022 Dodge Challenger R/T(5.7L HEMI V8)
2022 Dodge Challenger R/T Scat Pack(6.4L HEMI V8)
2022 Dodge Challenger SRT Hellcat(6.2L Supercharged HEMI V8)
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We're still gathering retailer prices for this part. In the meantime, you can find it here:
Tip: Search for "MMTS-MOP-11L" to find the exact product. Prices may vary by retailer.
Why Install This?
Benefits
- More reliable combustion under high load and boost
- Longer service life compared to stock plugs, especially with forced induction
- Easy bolt-on installation — most people can do this in their driveway with basic tools
Technical Details
Lower temperature thermostat opens at 160°F vs stock 203°F. Keeps engine temperatures lower for consistent performance. Direct OEM replacement.
Compare Alternatives
Other spark plugs & ignition for your Challenger