{"title":"CNC Porting","description":"\u003cp\u003eCNC Port porting from our in-house 5 Axis Centroid. \u003c\/p\u003e","products":[{"product_id":"ls1-ls2-ls6-cnc-head-package","title":"LS1\/LS2\/LS6 CNC Head Package","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cem\u003e\u003cstrong\u003eNEW HEAD CORES INCLUDED!!\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFully Assembled and a true ready-to-install cylinder head package. \u003cspan style=\"text-decoration: underline;\"\u003eFree Shipping\u003c\/span\u003e to 48 states!\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRated for and tested at \u003cspan style=\"text-decoration: underline;\"\u003e1200+whp\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e15* Cathedral Port\u003c\/p\u003e\n\u003cp\u003e230CC Intake Runner (CNC Ported)\u003c\/p\u003e\n\u003cp\u003e2.00\"\/1.60\" Manley Valves\u003c\/p\u003e\n\u003cp\u003eBrian Crower Beehive Spring kit (Max lift .600\")\u003c\/p\u003e\n\u003cp\u003eBronze Valve Guides for improved valve stem life. \u003c\/p\u003e\n\u003cp\u003eNewen CNC Valve seat profiles for max efficiency and concentricity. \u003c\/p\u003e\n\u003cp\u003eCentroid 5-Axis ported for the most consistent runners on the market.  \u003c\/p\u003e\n\u003cp\u003eCNC Chambers optional*\u003c\/p\u003e\n\u003cp\u003e355-T6 High Density Aluminum heads with thicker deck for boosted applications. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 19px;\" colspan=\"4\"\u003e\n\u003cstrong\u003e\u003cspan\u003eLS1 Flow Chart\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px;\"\u003eLift\u003c\/td\u003e\n\u003ctd style=\"height: 22px;\" colspan=\"2\"\u003eIntake \u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 22px;\"\u003eExhaust \u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 31.4062px;\"\u003e\n\u003ctd style=\"height: 31.4062px;\"\u003e .200\"\u003c\/td\u003e\n\u003ctd style=\"height: 31.4062px;\" colspan=\"2\"\u003e157 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 31.4062px;\"\u003e 116 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 33px;\"\u003e\n\u003ctd style=\"height: 33px;\"\u003e .300\"\u003c\/td\u003e\n\u003ctd style=\"height: 33px;\" colspan=\"2\"\u003e 210 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 33px;\"\u003e 157 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 30px;\"\u003e\n\u003ctd style=\"height: 30px;\"\u003e .400\"\u003c\/td\u003e\n\u003ctd style=\"height: 30px;\" colspan=\"2\"\u003e 264 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 30px;\"\u003e 195 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 33px;\"\u003e\n\u003ctd style=\"height: 33px;\"\u003e .500\"\u003c\/td\u003e\n\u003ctd style=\"height: 33px;\" colspan=\"2\"\u003e 299 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 33px;\"\u003e 217 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 34px;\"\u003e\n\u003ctd style=\"height: 34px;\"\u003e .600\"\u003c\/td\u003e\n\u003ctd style=\"height: 34px;\" colspan=\"2\"\u003e 312 cfm\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 34px;\"\u003e 225 cfm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Perfect Circle Engines","offers":[{"title":"OE Cast Chamber","offer_id":47346105221313,"sku":"","price":1895.0,"currency_code":"USD","in_stock":true},{"title":"CNC Chamber","offer_id":47346105254081,"sku":"","price":2195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/9656\/3905\/files\/IMG_0555.png?v=1699373424"},{"product_id":"4-cylinder-head-package","title":"CNC PORT, 4 Cylinder","description":"\u003cul\u003e\n\u003cli\u003eCylinder head cleaning \u0026amp; inspection\u003c\/li\u003e\n\u003cli\u003eCNC Runners \u003c\/li\u003e\n\u003cli\u003eBronze valve guides and installation \u003c\/li\u003e\n\u003cli\u003eCNC Newen Valve job \u003c\/li\u003e\n\u003cli\u003eCNC Surfacing \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFinal Cleaning \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSend all cores in with invoice, estimated turnaround is 10-15 business days from time of arrival. \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eCylinder heads that qualify:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eK20\/ K24\u003c\/li\u003e\n\u003cli\u003eAll B Series \u003c\/li\u003e\n\u003cli\u003e4B11T \u003c\/li\u003e\n\u003cli\u003e4G63\u003c\/li\u003e\n\u003cli\u003eSRT4\/ 420a\u003c\/li\u003e\n\u003cli\u003eEcoBoost 2.3\u003c\/li\u003e\n\u003cli\u003eMazda MZR  \u003c\/li\u003e\n\u003cli\u003eEJ25* \u003c\/li\u003e\n\u003cli\u003eH22\/F20B\u003c\/li\u003e\n\u003cli\u003eF20C \/ S2000 \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSend all cores in with your sales receipt. \u003c\/strong\u003e\u003c\/em\u003e\u003cem\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e*EJ25 is additional $500\u003c\/p\u003e\n\u003cp\u003e-All machining and assembly services are available, contact us for a consultation regarding your project.\u003c\/p\u003e","brand":"Perfect Circle Engines","offers":[{"title":"K20\/ K24 \/ No Assembly","offer_id":49420509577409,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true},{"title":"K20\/ K24 \/ Valve Seals and Final assembly","offer_id":49415150928065,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"SRT4 \/ No Assembly","offer_id":49420509610177,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true},{"title":"SRT4 \/ Valve Seals and Final assembly","offer_id":49415150960833,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"4B11T \/ No Assembly","offer_id":49420509642945,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true},{"title":"4B11T \/ Valve Seals and Final assembly","offer_id":49415150993601,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"4G63 \/ No Assembly","offer_id":49420509675713,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true},{"title":"4G63 \/ Valve Seals and Final assembly","offer_id":49415151026369,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"Mazda MZR \/ No Assembly","offer_id":49420509708481,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true},{"title":"Mazda MZR \/ Valve Seals and Final assembly","offer_id":49415151059137,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"Ford Ecoboost 2.3 \/ No Assembly","offer_id":49420509741249,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true},{"title":"Ford Ecoboost 2.3 \/ Valve Seals and Final assembly","offer_id":49415151091905,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"B16\/B18 \/ No Assembly","offer_id":49420509774017,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true},{"title":"B16\/B18 \/ Valve Seals and Final assembly","offer_id":49415151124673,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"F20 S2000 \/ No Assembly","offer_id":49420509806785,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true},{"title":"F20 S2000 \/ Valve Seals and Final assembly","offer_id":49415151157441,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"H22 \/ No Assembly","offer_id":49420509839553,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true},{"title":"H22 \/ Valve Seals and Final assembly","offer_id":49415151190209,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"EJ25 \/ No Assembly","offer_id":49420509872321,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true},{"title":"EJ25 \/ Valve Seals and Final assembly","offer_id":49415151222977,"sku":null,"price":1750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/9656\/3905\/files\/IMG_0929.jpg?v=1731552936"},{"product_id":"cnc-port-4-cylinder-copy","title":"CNC PORT, 6 Cylinder","description":"\u003cul\u003e\n\u003cli\u003eCylinder head cleaning \u0026amp; 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