Amazon Prime Members: 5-Qt Castrol GTX Magnatec Synthetic Motor Oil (5W-30) as low as $15.20 w/ S&S + Free S&H

https://www.amazon.com/dp/B00TS9ZYWI/r
1-4 S&S items $16.99
5+ items $15.20
This is FULL synthetic till the next formula change. The Synthetic Blends are old stock and long gone from Amazon stock.
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