{"product_id":"ds-199547","title":"JIMS Valve Spring Kit - Evolution - Big Twin 1356","description":"\u003cul class=\"mb-4 mt-2 pl-3\" _ngcontent-xov-c76=\"\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e   Incorporate an interference double-spring design with damper to control harmonics \u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e Engineered for maximum performance in severe applications such as high compression and big-inch street motors \u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e 0.600\" (EU: 1,524 cm) spring sets are 1.460\" (EU: 3,708 cm) OD and have a pressure of 125 lb. (EU: 56,70 kg) when closed and 275 lb. (EU: 124,74 kg) at 0.500\" (EU: 1,27 cm) lift; installed height should be 1.800\" (EU: 4,572 cm); coil bind occurs at 1.150\" (EU: 2,921 cm) \u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e Sold in a set of four springs (enough for one engine) \u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e Made in the U.S.A. \u003c\/li\u003e \u003c\/ul\u003e","brand":"JIMS","offers":[{"title":"Default Title","offer_id":46196747010293,"sku":"1356","price":112.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/6744\/9077\/files\/5954A3B8-11D3-431C-8F21-CA782843A383_b2e7d446-60d4-41dd-a7e2-88f0730f74c4.png?v=1736103138","url":"https:\/\/bills-exhaustsus.myshopify.com\/de\/products\/ds-199547","provider":"Bill's Exhausts","version":"1.0","type":"link"}