{"product_id":"industrial-injection-pdm-lmlrh-2011-2016-lml-duramax-ported-polished-cylinder-heads","title":"Industrial Injection PDM-LMLRH - 2011-2016 LML Duramax Ported \u0026 Polished Cylinder Heads","description":"\u003cp\u003e\u003cem\u003e2011-2016 LML Duramax Ported \u0026amp; Polished Cylinder Heads\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eIndustrial Injection LML Duramax Ported \u0026amp; Polished Cylinder HeadsHeads are first jet washed in a high-pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next, they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting\u003c\/li\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eUnshrouded Valves\u003c\/li\u003e\n\u003cli\u003eHigh Strength Alloy, Heat Treated iron based valve guides\u003c\/li\u003e\n\u003cli\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material\u003c\/li\u003e\n\u003cli\u003eMulti angle valve job\u003c\/li\u003e\n\u003cli\u003e130LB valve springs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45446586761260,"sku":"PDM-LMLRH","price":4025.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/6007\/6332\/files\/PDM-LB7SH-TL_8e2d9bd3-d8c7-4fd5-bd29-db7384c6aba7.jpg?v=1775864970","url":"https:\/\/carpartglobal.com\/products\/industrial-injection-pdm-lmlrh-2011-2016-lml-duramax-ported-polished-cylinder-heads","provider":"Car Part Global","version":"1.0","type":"link"}