{"product_id":"industrial-injection-pdm-12vrh-cummins-5-9l-12-valve-stage-2-ported-polised-cylinder-head-w-fire-ring-groove","title":"Industrial Injection PDM-12VRH - Cummins 5.9L 12 Valve Stage 2 Ported \u0026 Polised Cylinder Head w\/ Fire Ring Groove","description":"\u003cp\u003e\u003cem\u003eCummins 5.9L 12 Valve Stage 2 Ported \u0026amp; Polised Cylinder Head w\/ Fire Ring Groove\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eCummins 5.9L 12 Valve Stage 2 Ported \u0026amp; Polished Cylinder Head w\/ Fire Ring GroovesFits: 12V 5.9 CumminsItem Type: Industrial Injection Stage 2 Cylinder HeadBrand: Industrial InjectionPart Number: PDM-12VRHNote: Fire Ring Head Gasket sold separately.Core Charge of $700.00 In Addition to Listed PriceHeads 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. Port development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements. Many things are considered when designing a cylinder head Port\u003c\/p\u003e\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCNC Ported Cylinder Head (Milled off intake runner to accept ZZ Fab intake) sold separately\u003c\/li\u003e\n\u003cli\u003eNew Stainless Steel Valves\u003c\/li\u003e\n\u003cli\u003eHigh Strength Alloy Valve Guides\u003c\/li\u003e\n\u003cli\u003eDrilled \u0026amp; Tapped Coolant Freeze Plugs In Head\u003c\/li\u003e\n\u003cli\u003eFire Ringed Head\u003c\/li\u003e\n\u003cli\u003eIndustrial Injection 150lb Valve Springs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45446418661420,"sku":"PDM-12VRH","price":6316.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/6007\/6332\/files\/24G603_001-r.jpg?v=1778045768","url":"https:\/\/carpartglobal.com\/products\/industrial-injection-pdm-12vrh-cummins-5-9l-12-valve-stage-2-ported-polised-cylinder-head-w-fire-ring-groove","provider":"Car Part Global","version":"1.0","type":"link"}