{"product_id":"p300-series-extension-springs","title":"P300 Series","description":"\u003cp\u003e\u003cspan\u003eOur \u003cstrong\u003eP300 Series Garage Door Extension Springs\u003c\/strong\u003e are built for heavy one-piece residential and commercial garage doors that need extra lifting force. Plug ends provide a direct replacement for older looped spring systems. These oil tempered, heat treated springs deliver durable performance. Multiple lengths available. In-house made for \u003cstrong\u003eprofessional installers.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"American Spring, Inc.","offers":[{"title":"P320","offer_id":51840107839806,"sku":"P320","price":31.14,"currency_code":"USD","in_stock":true},{"title":"P328","offer_id":51840107872574,"sku":"P328","price":39.6,"currency_code":"USD","in_stock":true},{"title":"P330","offer_id":51840107905342,"sku":"P330","price":50.04,"currency_code":"USD","in_stock":true},{"title":"P332","offer_id":51840107938110,"sku":"P332","price":58.42,"currency_code":"USD","in_stock":true},{"title":"P336","offer_id":51840107970878,"sku":"P336","price":62.03,"currency_code":"USD","in_stock":true},{"title":"P342","offer_id":51840108003646,"sku":"P342","price":63.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0904\/0560\/1598\/files\/6.png?v=1754580727","url":"https:\/\/americanspring.com\/products\/p300-series-extension-springs","provider":"American Spring, Inc.","version":"1.0","type":"link"}