{"product_id":"ext-hkp2","title":"Extension Spring Tandem Hookup Kit for two doors ** Limited Supply **","description":"***Limited Supply*** Please call for availability. Garage Door Extension Spring Tandem Hookup Kit for two doors. For use with extension springs with an outside diameter of up to 2-3\/8\"\u003cbr\u003e\u003cbr\u003eKit includes 8 plates - 4 for each door, and 8 bolts and 8 nuts - 4 of each for each door.\u003cbr\u003e\u003cbr\u003eTandem kits are designed to work with four spring systems. The kit is mounted to the ends of the springs that are closer to the door. On each side above the tracks the kit joins the ends of two springs to the pulley with the pulley fork. This allows the pulley to move forward and backward as the door closes and opens. Since the other ends of the springs are stationary and don't move, these ends are secured to the rear hangs with S-hooks or eye bolts. \u003cbr\u003e\u003cbr\u003e IMPORTANT: Due to supply chain shortages we currently do not offer quantity discounts, and for some of our products we are limiting the quantities that may be purchased.","brand":"Service Spring","offers":[{"title":"Default Title","offer_id":51161595740480,"sku":"EXT-HKP2","price":42.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/0013\/1904\/files\/EXT-HKP2_b9a9f74f-5499-44ca-b2cd-c984d0ba3ab8.jpg?v=1771979058","url":"https:\/\/shop.ddmgaragedoors.com\/products\/ext-hkp2","provider":"DDM Garage Doors","version":"1.0","type":"link"}