{"product_id":"lt4-head-porting-service","title":"LT4 HEAD PORTING SERVICE","description":"\u003cp\u003e \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eLME ups the ante on the GM LT4 heads by running its CNC porting as well as guide and valve upgrades. Swapping out the factory guides and installing CHE Precision manganese bronze guides eliminates possible premature wear issues. With the new guides, GM titanium valves, and precision port work, these heads will be more than adequate at dealing with whatever punishment you may throw at your supercharged animal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e## By specifying your cam lift LME will assemble your cylinder heads with the proper spring installed height. This will result in optimal spring pressures and coil bind distance for maximum performance. Please include rocker ratio to ensure accuracy. (example:  .650\" lift with 1.8 ratio intake and exhaust)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*All Cylinder Heads Are Priced As ASSEMBLED Pairs\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eLME Standard Head Porting Process\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e \u003ccol width=\"364\"\u003e \u003ccol width=\"304\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eClean carbon from intake exhaust and chambers (used cores)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThrough inspection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDebur sharp edges\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eValve guide clearance measured and adjusted for application\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCNC ported intake exhaust and chambers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCompetition valve job\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eValve job hand blended into ports\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCombustion chambers measured and adjusted for application\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMeticulous final cleaning of cylinder head and components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIntake valves back cut with optimal angle for application\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eHeads assembled and spring pressure set up for specific cam lifts\/application\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!----\u003e","brand":"Late Model Engines","offers":[{"title":"NO STAINLESS IS FINE","offer_id":45164712296471,"sku":"sku-50748930130198","price":3064.0,"currency_code":"USD","in_stock":true},{"title":"INCONEL","offer_id":45164712329239,"sku":"sku-50748930162966","price":3449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/7796\/3799\/files\/lt4set_4.jpg?v=1779565511","url":"https:\/\/fireballperformanceparts.com\/products\/lt4-head-porting-service","provider":"Fireball Performance Parts","version":"1.0","type":"link"}