{"product_id":"porter-athletic-dual-core-spring-kits","title":"Porter Athletic Dual Core Spring Kits","description":"\u003cp\u003eExtra spring sets when adding a shot clock or for replacement to portable backstop units.\u003c\/p\u003e\u003cp\u003eShipping is calculated at checkout by packed ship weight. Contiguous United States delivery. Installation and inside delivery are not included.\u003c\/p\u003e\u003ch3\u003eSpecifications and Instructions\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/store-8jy95dyy51.mybigcommerce.com\/content\/INST00476.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstructions; 735 Portable\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/store-8jy95dyy51.mybigcommerce.com\/content\/INST00473.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstructions; 1535 Portable\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/store-8jy95dyy51.mybigcommerce.com\/content\/INST00474.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstructions; 1735 Portable\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Porter Athletic","offers":[{"title":"735 Portable \/ 1 Spring","offer_id":67689749643579,"sku":"PORTER_0073801","price":1179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0121\/1475\/5646\/files\/gca-692-d2c34eb322701b09.jpg?v=1791226171","url":"https:\/\/greatcallathletics.com\/products\/porter-athletic-dual-core-spring-kits","provider":"Great Call Athletics","version":"1.0","type":"link"}