Unlock the true performance potential of your LS platform<\/strong> with the LS9 CNC-Ported Cylinder Head Assembly featuring LS3 valves<\/strong>. Engineered for high-horsepower street and track builds<\/strong>, these heads deliver exceptional airflow, combustion efficiency<\/strong>, and durability<\/strong>, making them a perfect upgrade for enthusiasts looking to push their LS engines to the next level.<\/p>\n Whether you\u2019re building a supercharged street beast or a naturally aspirated high-revver<\/strong>, these LS9 heads are a bolt-on performance solution<\/strong> trusted by racers and engine builders nationwide.<\/p>\n Product Type:<\/strong> CNC-Ported Cylinder Head Assembly<\/p>\n<\/li>\n Model:<\/strong> LS9 w\/ LS3 Valves<\/p>\n<\/li>\n Material:<\/strong> High-strength aluminum<\/p>\n<\/li>\n Valves:<\/strong> LS3 Stainless Steel (Intake & Exhaust)<\/p>\n<\/li>\n Valve Sizes:<\/strong> 2.165″ intake \/ 1.590″ exhaust (standard LS3 configuration)<\/p>\n<\/li>\n Combustion Chamber Volume:<\/strong> 70cc (nominal)<\/p>\n<\/li>\n Condition:<\/strong> Brand New<\/p>\n<\/li>\n Finish:<\/strong> Machined \/ Bare Aluminum<\/p>\n<\/li>\n Shipping:<\/strong> Fast Nationwide Delivery \ud83c\uddfa\ud83c\uddf8<\/p>\n<\/li>\n<\/ul>\n \u2705 CNC-Ported for Maximum Airflow<\/strong> \u2013 Increases horsepower and torque across the RPM range<\/p>\n<\/li>\n \u2705 LS3 Valve Upgrade<\/strong> \u2013 Stainless steel valves for superior heat resistance and flow<\/p>\n<\/li>\n \u2705 Race-Proven LS9 Casting<\/strong> \u2013 Exceptional strength for boosted or high-compression applications<\/p>\n<\/li>\n \u2705 Bolt-On Performance<\/strong> \u2013 Direct fitment for LS3\/LS9 style engines<\/p>\n<\/li>\n \u2705 Perfect for High-HP Builds<\/strong> \u2013 Ideal for supercharged, turbocharged, or high-RPM N\/A setups<\/p>\n<\/li>\n<\/ul>\n Fits GM LS9<\/strong>, LSA<\/strong>, and LS3<\/strong> cylinder head bolt patterns<\/p>\n<\/li>\n Ideal for:<\/p>\n LS9 Supercharged Engines<\/p>\n<\/li>\n LS3 N\/A or Boosted Builds<\/p>\n<\/li>\n LSA Performance Applications<\/p>\n<\/li>\n<\/ul>\n<\/li>\n Compatible with most OEM and aftermarket intake manifolds and valvetrain components (check pushrod length and piston clearance before installation)<\/p>\n<\/li>\n<\/ul>\n 1-Year Limited Warranty<\/strong> against manufacturer defects in materials and workmanship<\/p>\n<\/li>\n Must be installed by a qualified technician for warranty eligibility<\/p>\n<\/li>\n Excludes damage from improper installation, detonation, or racing abuse<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":" <\/p>\n Product Type:<\/strong> CNC-Ported Cylinder Head Assembly<\/p>\n<\/li>\n Model:<\/strong> LS9 w\/ LS3 Valves<\/p>\n<\/li>\n Material:<\/strong> High-strength aluminum<\/p>\n<\/li>\n Valves:<\/strong> LS3 Stainless Steel (Intake & Exhaust)<\/p>\n<\/li>\n<\/ul>\n","protected":false},"featured_media":227133,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[183],"product_tag":[],"class_list":{"0":"post-227135","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-engine-components-accessories","8":"first","9":"instock","10":"shipping-taxable","11":"purchasable","12":"product-type-simple"},"yoast_head":"\nProduct Details:<\/strong><\/h2>\n
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