Seafoam motor tuneup cleans dirty engine parts internally by removing harmful gums, varnish, and carbon buildup. Removes moisture from oil crankcases and fuel tanks. The oxygen sensor-safe cleaner stabilizes and conditions fuels to prevent them from becoming stale. Excellent for engine storage. For peak performance use Seafoam every 5,000 miles. 16 oz.Show moreShow less
- Cleans dirty engine parts internally
- Removes harmful gum, varnish, and carbon buildup
- Stabilizes and conditions fuel
- Excellent for engine storage
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