{"product_id":"amsoil-signature-series-100-synthetic-motor-oil","title":"AMSOIL Signature Series 100% Synthetic Motor Oil - 1 qt","description":"\u003cp\u003e\u003cstrong\u003eCustom-Built to Outperform\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAMSOIL Signature Series 100% Synthetic Motor Oil is formulated for drivers who demand the absolute best engine protection. Built with advanced synthetic base oils and a precision-engineered additive system, it is designed to control wear, resist volatility and maintain viscosity under extreme heat, pressure and cold-start conditions. The result is uncompromising film strength, cleaner components and protection that pushes beyond industry standards into a class of its own.\u003cbr\u003e\u003cbr\u003eModern engines place unprecedented stress on motor oil through turbocharging, direct injection, higher temperatures and extended service intervals. Signature Series is engineered to meet those challenges head on, delivering more protection, performance and confidence mile after mile, even during extreme use.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/amsoilcontent.com\/ams\/lit\/databulletins\/g2880.pdf\"\u003eSee the Product Data Bulletin for full details.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2X BETTER Protection Against Volatility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAMSOIL Signature Series delivers \u003cstrong\u003e2X better protection against volatility\u003c\/strong\u003e,\u003csup\u003e3\u003c\/sup\u003e helping reduce oil consumption, minimize top-offs and keep engines cleaner over time.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cimg class=\"img-responsive\" src=\"https:\/\/amsoilcontent.com\/ams\/images\/SIGSERIES_CLAIM_800x514_NoackVolatility_Sig_v2.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"small\"\u003e\u003cem\u003e\u003csup\u003e3\u003c\/sup\u003eBased on AMSOIL Signature Series 0W-20 100% Synthetic Motor Oil compared to the API SQ limit using the ASTM D5800 Noack volatility test.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGuards Against LSPI\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLow-speed pre-ignition (LSPI) remains a serious concern in today’s turbocharged, direct-injection engines, where uncontrolled combustion events can damage pistons and other critical components, especially as motor oil ages. AMSOIL Signature Series 100% Synthetic Motor Oil is engineered to help prevent LSPI by maintaining a strong, stable formulation that continues to deliver outstanding performance throughout the drain interval. Even after 25,000 miles of use, Signature Series delivers \u003cstrong\u003e4X more piston protection against LSPI\u003c\/strong\u003e\u003csup\u003e4\u003c\/sup\u003e than the industry standard requires.\u003c\/p\u003e\n\u003cp class=\"small\"\u003e\u003cem\u003e\u003csup\u003e4\u003c\/sup\u003eUsing AMSOIL Signature Series 5W-30 100% Synthetic Motor Oil following a 25,000-mile service interval in the Sequence IX aged-oil LSPI test.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePreserves Horsepower and Torque\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAMSOIL Signature Series 100% Synthetic Motor Oil is \u003cstrong\u003ebuilt to help engines run stronger, longer\u003c\/strong\u003e\u003csup\u003e5\u003c\/sup\u003e – helping to protect engines from performance loss throughout their life.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"img-responsive\" src=\"https:\/\/amsoilcontent.com\/ams\/images\/SIGSERIES_CLAIM_800x514_HP_Torque_Sig_v2.jpg\"\u003e\u003c\/p\u003e\n\u003cp class=\"small\"\u003e\u003cem\u003e\u003csup\u003e5\u003c\/sup\u003eUsing Signature Series 100% Synthetic 5W-30 Motor Oil in a 2025 Ford F-150 Raptor in a 125K-mile accumulation study. Based on comparative start- and end-of-test horsepower and torque.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProven Cleaning Power\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn Sequence IIIH testing, AMSOIL Signature Series delivers \u003cstrong\u003e72% more protection against piston deposits\u003c\/strong\u003e than required by industry standards,\u003csup\u003e6\u003c\/sup\u003e helping ensure cleaner pistons and consistent performance over time.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"img-responsive\" src=\"https:\/\/amsoilcontent.com\/ams\/images\/SIG_SERIES_CLAIM_800x514_SS_IIIH_1XPiston_v2.jpg\"\u003e\u003c\/p\u003e\n\u003cp class=\"small\"\u003e\u003cem\u003e\u003csup\u003e6\u003c\/sup\u003eBased on AMSOIL Signature Series 5W-30 in the Sequence IIIH Test.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEven after doubling the length of the Sequence IIIH test, Signature Series provided 31% better protection than required\u003c\/strong\u003e,\u003csup\u003e7\u003c\/sup\u003e demonstrating its ability to maintain cleanliness far beyond industry standards.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"img-responsive\" src=\"https:\/\/amsoilcontent.com\/ams\/images\/SIGSERIES_CLAIM_800x514_SS_IIIH_2XPiston_v2.jpg\"\u003e\u003c\/p\u003e\n\u003cp class=\"small\"\u003e\u003cem\u003e\u003csup\u003e7\u003c\/sup\u003eBased on AMSOIL Signature Series 5W-30 in a double-length Sequence IIIH test.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNo Sludge, Just Protection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDuring a 125K-mile accumulation study on a 2025 Ford F-150 Raptor, \u003cstrong\u003ethe engine experienced 0% oil screen plugging\u003c\/strong\u003e.\u003csup\u003e8\u003c\/sup\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"img-responsive\" src=\"https:\/\/amsoilcontent.com\/ams\/images\/SIGSERIES_CLAIM_800x514_SS_OilPumpScreen_v2.jpg\"\u003e\u003c\/p\u003e\n\u003cp class=\"small\"\u003e\u003cem\u003e\u003csup\u003e8\u003c\/sup\u003eAs demonstrated in a 125K-mile accumulation study on a 2025 Ford F-150 Raptor which had 0% plugging.\u003c\/em\u003e\u003c\/p\u003e","brand":"Preaux Tuning","offers":[{"title":"5W-20","offer_id":68269616660723,"sku":null,"price":17.99,"currency_code":"USD","in_stock":true},{"title":"5W-30","offer_id":68269617545459,"sku":null,"price":17.99,"currency_code":"USD","in_stock":true},{"title":"5W-50","offer_id":68269617578227,"sku":null,"price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/9503\/2307\/files\/Second-L-ShopAll_gasoline.png?v=1793639825","url":"https:\/\/www.preauxtuning.com\/products\/amsoil-signature-series-100-synthetic-motor-oil","provider":"Preaux Tuning","version":"1.0","type":"link"}