{"id":4020,"date":"2019-03-07T21:32:45","date_gmt":"2019-03-07T21:32:45","guid":{"rendered":"https:\/\/shop.ostdyno.com\/shop\/?post_type=product&#038;p=4020"},"modified":"2026-04-15T15:38:46","modified_gmt":"2026-04-15T15:38:46","slug":"thitek-custom-cnc-cylinder-heads","status":"publish","type":"product","link":"https:\/\/shop.ostdyno.com\/shop\/shop\/hellcat-demon-trackhawk\/cylinder-heads-hellcat-demon\/thitek-custom-cnc-cylinder-heads\/","title":{"rendered":"Thitek Custom CNC &#8220;Bear&#8221; Cylinder Heads"},"content":{"rendered":"<p>This is a completely new casting made of A356 material. This material is approximately 2x the strength as an OE cylinder head.<\/p>\n<p>At OST we run this cylinder head on all our high horsepower (1000whp+) builds. It really is the best head on the market today.<\/p>\n<p>Price is for an assembled pair of heads.<\/p>\n<p><strong>Specifications<br \/>\n<\/strong>-Oversized intake and exhaust valves 2.200&#8243;\/1.65&#8243; &#8211; stainless steel valves<br \/>\n&#8211; 73cc chamber<br \/>\n-Assembled with dual valvesprings with Ti retainers<br \/>\n-The deck thickness has been increased and additional features added for strengthening of the cylinder head deck.<br \/>\n-Port wall thickness has been increased inside port and water jacket side, this allows for different port shapes (smaller or larger) and adds strength to cylinder head.<br \/>\n-All holes are tapped using a Form Tap, increased tread strength over General Purpose taps.<br \/>\n-Reinforced rocker arm pedestals.<br \/>\n-CNC Machined Intake ports, Exhaust Ports and Combustion Chambers.<br \/>\n-Stock intake manifolds, exhaust manifolds, spark plugs, VVT valve covers, coil packs and accessories can be used.<br \/>\n-Made in the USA!<\/p>\n<p>*These heads are made to order unless marked in stock so please allow time for machine work. This can be anywhere from 8 weeks to 6 months.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is a completely new casting made of A356 material. This material is approximately 2x the strength as an OE cylinder head. At OST we run this cylinder head on all our high horsepower (1000whp+) builds. It really is the best head on the market today. Price is for an assembled pair of heads. Specifications [&hellip;]<\/p>\n","protected":false},"featured_media":4021,"template":"","meta":[],"product_cat":[485,460],"product_tag":[],"class_list":{"0":"post-4020","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cylinder-heads-hellcat-demon","7":"product_cat-cylinder-heads","8":"product_shipping_class-ups","9":"post","10":"post-with-thumbnail","11":"post-with-thumbnail-large","13":"first","14":"instock","15":"taxable","16":"shipping-taxable","17":"purchasable","18":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Thitek Custom CNC &quot;Bear&quot; Cylinder Heads |<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/shop.ostdyno.com\/shop\/shop\/hellcat-demon-trackhawk\/cylinder-heads-hellcat-demon\/thitek-custom-cnc-cylinder-heads\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thitek Custom CNC &quot;Bear&quot; Cylinder Heads |\" \/>\n<meta property=\"og:description\" content=\"This is a completely new casting made of A356 material. 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