{"product_id":"duramax-lly-lbz-cylinder-head-2004-2007-prw-tech-line-440-502-7256","title":"Duramax LLY \/ LBZ Cylinder Head 2004-2007 PRW TECH LINE 440-502-7256","description":"\u003cp\u003ePRW cylinder head for the Duramax LLY \/ LBZ (2004-2007). Listed for one application: Duramax LLY \/ LBZ engines, 2004-2007, in Chevrolet, GMC applications. Confirm your engine code and year against this listing before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\u003cp\u003eThe cylinder head carries the valves, seats and ports that decide how well the engine breathes, and it seals the top of the combustion chamber. Cracked, warped or eroded heads lose compression and push coolant into the cylinders. A new or remanufactured head restores the sealing surface and the port work the engine was designed around.\u003c\/p\u003e\n\u003ch3\u003eFits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eChevrolet vehicles with the Duramax LLY \/ LBZ engine, 2004-2007\u003c\/li\u003e\n\u003cli\u003eGMC vehicles with the Duramax LLY \/ LBZ engine, 2004-2007\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFixes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ea cracked or warped head after an overheat\u003c\/li\u003e\n\u003cli\u003ecoolant loss into a cylinder\u003c\/li\u003e\n\u003cli\u003ea failed head gasket that took the head with it\u003c\/li\u003e\n\u003cli\u003ea build wanting better flow than the factory casting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003ethe cylinder head as described (bare or loaded, per the listing)\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: PRW\u003c\/li\u003e\n\u003cli\u003ePart number: TECH LINE 440-502-7256\u003c\/li\u003e\n\u003cli\u003eShipping weight: 55.0 lb\u003c\/li\u003e\n\u003cli\u003eCondition: new\u003c\/li\u003e\n\u003cli\u003eProduct type: Cylinder Head\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCross-reference\u003c\/h3\u003e\u003cp\u003eReplaces or interchanges with PRW TECH LINE 440-502-7256 for the Duramax LLY \/ LBZ. Check the part number stamped on your original before ordering.\u003c\/p\u003e\n\u003cp\u003eFree shipping on orders of $70 or more; everything else ships with calculated shipping at the part's real weight. Questions on fitment? \u003ca href=\"\/pages\/contact\"\u003eAsk a tech\u003c\/a\u003e before you buy.\u003c\/p\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":54865783685333,"sku":"CPP-LBZ-HEAD-06","price":678.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/3835\/6181\/files\/duramax-lly-lbz-cylinder-head-2004-2007-1.jpg?v=1788904673","url":"https:\/\/corepowertrainparts.com\/products\/duramax-lly-lbz-cylinder-head-2004-2007-prw-tech-line-440-502-7256","provider":"CorePowertrainParts.com","version":"1.0","type":"link"}