{"product_id":"gm-ls1-ls2-hi-flow-thermostat-180-f-81-c-180-f-temperature","title":"GM LS1 \u0026 LS2 Hi-Flow Thermostat, 180°F (81°C) 180°F Temperature","description":"\u003cdiv\u003e\n\u003cp\u003eUpgrade your GM LS1 \u0026amp; LS2 with Aeroflow Performance’s Hi-Flow Thermostat, a copper\/steel unit engineered for reliable, quicker coolant flow at a 180°F (81°C) opening temperature. Designed to help your engine reach optimal thermal and volumetric efficiency sooner, this drop-in thermostat can contribute to more consistent power delivery under load.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eOpening temperature: 180°F (81°C)\u003c\/li\u003e \u003cli\u003eHi-Flow copper\/steel construction for improved coolant movement\u003c\/li\u003e \u003cli\u003eDirect drop-in fit for GM LS1 and LS2 engines; no modifications required\u003c\/li\u003e \u003cli\u003eIncludes rubber seal for dependable sealing on installation\u003c\/li\u003e \u003cli\u003eReplacement rubber gasket available: AF59-1143 (53.9mm O.D.) for GM LS1\/LS2\u003c\/li\u003e \u003cli\u003ePart of Aeroflow Performance’s GM LS thermostat line, offered in temperatures lower than OEM to enhance thermal efficiency\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose a lower-opening thermostat? Opening sooner helps the engine reach and maintain efficient operating temperatures more quickly, promoting better thermal and volumetric efficiency and potentially steadier power delivery. The robust copper\/steel build resists heat and warping, while the included seal and compatible gasket ensure a reliable, maintenance-friendly installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"TGM Performance Parts","offers":[{"title":"Default Title","offer_id":47379575570602,"sku":"AF49-1144","price":36.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7829\/4698\/files\/AF49-1143.jpg?v=1756708407","url":"https:\/\/tgmperformance.com.au\/products\/gm-ls1-ls2-hi-flow-thermostat-180-f-81-c-180-f-temperature","provider":"TGM Performance Parts","version":"1.0","type":"link"}