{"id":87,"date":"2026-08-11T17:53:24","date_gmt":"2026-08-11T17:53:24","guid":{"rendered":"https:\/\/bigwheelinc.com\/shop\/?post_type=product&#038;p=87"},"modified":"2026-08-11T22:56:31","modified_gmt":"2026-08-11T22:56:31","slug":"pdi-big-boss-cummins-x15-sohc-stage-1-cylinder-head","status":"publish","type":"product","link":"https:\/\/bigwheelinc.com\/shop\/product\/pdi-big-boss-cummins-x15-sohc-stage-1-cylinder-head\/","title":{"rendered":"PDI Big Boss Cummins X15 SOHC Stage 1 Cylinder Head"},"content":{"rendered":"<p>PDI Big Boss Cummins ISX\/X15 Stage 1 Cylinder heads are meticulously designed to surpass the most demanding expectations, making them the perfect choice for heavy-duty applications in trucking, construction, agriculture, and more. They exemplify our unwavering dedication to innovation and superior quality. Each Stage 1 Cylinder Head is built with all Inconel valves, known for their exceptional strength and resistance to extreme temperatures, ensuring unparalleled durability and performance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>Available for:<\/strong> 2010-2025 Cummins ISX and X15 Engines<\/p>\n<p><b>Key Benefits<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">High Nickel Casting<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Inconel Exhaust and Intake Valves<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Stainless Retaining Clips<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Made in the USA<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\"><strong>Warranty:<\/strong> 2 Year Unlimited Mileage<\/span><\/p>\n","protected":false},"featured_media":88,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[20],"product_tag":[],"class_list":["post-87","product","type-product","status-publish","has-post-thumbnail","product_cat-cylinder-heads","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/bigwheelinc.com\/shop\/wp-json\/wp\/v2\/product\/87","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bigwheelinc.com\/shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/bigwheelinc.com\/shop\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/bigwheelinc.com\/shop\/wp-json\/wp\/v2\/comments?post=87"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bigwheelinc.com\/shop\/wp-json\/wp\/v2\/media\/88"}],"wp:attachment":[{"href":"https:\/\/bigwheelinc.com\/shop\/wp-json\/wp\/v2\/media?parent=87"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/bigwheelinc.com\/shop\/wp-json\/wp\/v2\/product_brand?post=87"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/bigwheelinc.com\/shop\/wp-json\/wp\/v2\/product_cat?post=87"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/bigwheelinc.com\/shop\/wp-json\/wp\/v2\/product_tag?post=87"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}