{"product_id":"powerstroke-products-loaded-67l-cylinder-head-hd-springs-right","title":"Powerstroke Products Loaded 6.7L Cylinder Head With HD Springs (Right)","description":"\u003cp\u003eUpgrade the valvetrain in your 2011–2016 Ford 6.7L Powerstroke by replacing worn factory cylinder heads with the Powerstroke Products Loaded Cylinder Head with Heavy-Duty Valve Springs (Right), part number PP-6.7FHhdvsRight. Rather than re-machining old components, this assembled replacement provides a stronger, more reliable foundation for performance-oriented engine builds.\u003c\/p\u003e\n\u003cp\u003eThis cylinder head is equipped with heavy-duty valve springs designed to deliver proper valvetrain control in high-performance applications. Factory valve springs often lack the seat pressure required for aftermarket turbochargers and aggressive tuning, which can lead to valve float and potential engine damage. Upgraded spring pressure helps maintain precise valve operation, supporting improved reliability and consistent engine performance.\u003c\/p\u003e\n\u003cp\u003eArriving fully assembled with valves, seals, and heavy-duty valve springs installed, this cylinder head is ready for installation on the right (passenger) side of the engine. It is backed by a one-year unlimited mileage warranty for added peace of mind.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLoaded Cylinder Head Assembly\u003c\/li\u003e\n\u003cli\u003eDesigned for Right (Passenger) Side Installation\u003c\/li\u003e\n\u003cli\u003eIncludes Valves, Seals, and Heavy-Duty Valve Springs\u003c\/li\u003e\n\u003cli\u003eImproves Valvetrain Control for Performance Applications\u003c\/li\u003e\n\u003cli\u003e1-Year Unlimited Mileage Warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powerstroke Products","offers":[{"title":"Default Title","offer_id":51525598347547,"sku":"PP-6.7FHhdvsRight","price":1302.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2025-12-23at3.08.06PM.png?v=1766527692","url":"https:\/\/wwmperformance.com\/products\/powerstroke-products-loaded-67l-cylinder-head-hd-springs-right","provider":"WWM Performance","version":"1.0","type":"link"}