Signature Series 10W-30 Synthetic Motor Oil (1 quart)
$16.98
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75% more engine protection against horsepower loss and wear.1 50% more cleaning power vs. AMSOIL OE Motor Oil Protects turbochargers 72% better than required2 by the GM dexos1 Gen 2 specification. 28% more acid-neutralizing power than Mobil 1.3 Trusted by professional engine builders Guaranteed protection for up to 25,000 miles or 1 year 1Based on independent testing of AMSOIL Signature Series 0W-20, in ASTM D6891 as required by the API SN specification.2Based on independent testing of AMSOIL Signature Series 5W-30 in the GM turbo coking test. 3Based upon independent testing of Mobil 1 Annual Protection Full Synthetic 5W-30 and AMSOIL Signature Series 5W-30 in ASTM D2896. Oils purchased in July 2020.
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