{"product_id":"pdi-big-boss-stage-1-cylinder-head-cummins-isx-x15-sohc-2010-2025","title":"PDI Big Boss Stage 1 Cylinder Head — Cummins ISX\/X15 SOHC (2010–2025)","description":"\u003cp\u003eBig Boss Stage 1 performance cylinder head for 2010–2025 Cummins ISX and X15 (SOHC). High-nickel casting with all-Inconel intake and exhaust valves for exceptional strength and resistance to extreme temperatures. Stainless retaining clips.\u003c\/p\u003e\u003cp\u003eMade in the USA. 2-year unlimited-mileage warranty.\u003c\/p\u003e\u003cp\u003eGenuine PDI part supplied and installed by TDC Truck and Diesel.\u003c\/p\u003e","brand":"Performance Diesel Inc.","offers":[{"title":"Default Title","offer_id":54002231181595,"sku":null,"price":8744.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1048\/6503\/8619\/files\/CumminsSOHCCylinderHead_bc9b347d-4c0c-4dca-a177-acdd9ee39ed1.png?v=1789965669","url":"https:\/\/tdcdiesel.myshopify.com\/products\/pdi-big-boss-stage-1-cylinder-head-cummins-isx-x15-sohc-2010-2025","provider":"TDC Performance","version":"1.0","type":"link"}