{"id":7533,"date":"2024-03-17T21:26:41","date_gmt":"2024-03-17T21:26:41","guid":{"rendered":"https:\/\/trade.kelfordcams.com\/product\/pac-1209x-valve-springs-with-retainers\/"},"modified":"2026-05-27T04:43:13","modified_gmt":"2026-05-27T04:43:13","slug":"kvsls1d-2","status":"publish","type":"product","link":"https:\/\/kelfordcams.com\/dealers\/product\/kvsls1d-2","title":{"rendered":"KVSLS1D-2 | PAC 1209X Valve Springs with Retainers"},"content":{"rendered":"<p>CHEVROLET LS1. This kit includes PAC 1209X Dual Spring (x16), Kelford Titanium Retainer (x16), Steel Locator (x16) and Viton stem seal kit (x16). PAC-1209X RPM Series Dual Spring set of 16. Premium quality Japanese spring steel wound in USA by PAC. Made with advanced heat treatment processing and surface finishing techniques (nano peening) to extend fatigue life. High spring frequency to allow for better spring surge control at high rpm. 160lb at 1.800\u2033 installed height. 485lb at 0.650\u2033 valve lift. Coil bind (spring solid height) 1.000\u2033.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CHEVROLET LS1. This kit includes PAC 1209X Dual Spring (x16), Kelford Titanium Retainer (x16), Steel Locator (x16) and Viton stem seal kit (x16). PAC-1209X RPM Series Dual Spring set of 16. Premium quality Japanese spring steel wound in USA by PAC. Made with advanced heat treatment processing and surface finishing techniques (nano peening) to extend [&hellip;]<\/p>\n","protected":false},"featured_media":7880,"template":"","meta":{"content-type":""},"product_cat":[362,363,364,365],"product_tag":[],"class_list":["post-7533","product","type-product","status-publish","has-post-thumbnail","product_cat-chevrolet","product_cat-holden","product_cat-ls-valve-train","product_cat-ls-valve-train-chevrolet","first","instock","taxable","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>KVSLS1D-2 | PAC 1209X Valve Springs with Retainers - Kelford Cams<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kelfordcams.com\/dealers\/product\/kvsls1d-2\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/kvsls1d-2\",\"url\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/kvsls1d-2\",\"name\":\"KVSLS1D-2 | PAC 1209X Valve Springs with Retainers - 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