{"product_id":"katech-gen-v-lt4-lt5-performance-cnc-ported-assembled-cylinder-heads","title":"Katech Gen V LT4\/LT5 Performance CNC Ported Assembled Cylinder Heads","description":"\u003ch2\u003eKatech Gen V LT4\/LT5 CNC Ported Assembled Cylinder Heads\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003e\u003cem\u003eNEW GM CASTINGS · KATECH CNC PORTED · .660-INCH DUAL VALVE SPRINGS · FULLY ASSEMBLED\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eThe \u003cstrong\u003eKatech Gen V LT4\/LT5 CNC Ported Assembled Cylinder Heads\u003c\/strong\u003e combine brand-new GM cylinder head castings with Katech CNC porting and an upgraded .660-inch dual valve spring package. Designed for compatible LT4 and LT5 applications using 7.5mm direct injection injectors, these heads provide increased airflow and an upgraded spring package for performance engine combinations.\u003c\/p\u003e \u003cp\u003eEach pair is assembled with new GM titanium intake valves, new GM steel exhaust valves, and .660-inch dual valve springs. The cylinder heads are fully assembled, engraved with the Katech logo, and supplied as a complete pair with no core exchange required.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eBrand-New GM Cylinder Head Castings\u003c\/li\u003e \u003cli\u003eKatech CNC Ported Intake and Exhaust Ports\u003c\/li\u003e \u003cli\u003eNew GM Titanium Intake Valves\u003c\/li\u003e \u003cli\u003eNew GM Steel Exhaust Valves\u003c\/li\u003e \u003cli\u003e.660-Inch Dual Valve Spring Package\u003c\/li\u003e \u003cli\u003eDesigned for Compatible LT4\/LT5 Applications Using 7.5mm Direct Injection Injectors\u003c\/li\u003e \u003cli\u003eKatech Logo Engraved on Each Cylinder Head\u003c\/li\u003e \u003cli\u003eFully Assembled and Ready to Bolt On\u003c\/li\u003e \u003cli\u003eNo Core Exchange Required\u003c\/li\u003e \u003cli\u003eSold as a Complete Pair\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThese cylinder heads are \u003cstrong\u003eProudly CNC Ported, Engraved, and Hand Assembled by Katech Engineering in Clinton Township, Michigan, USA.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"\/files\/images\/katech-made-in-america.png\" alt=\"Proudly Made in America\" width=\"300\"\u003e\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eEngine Family:\u003c\/strong\u003e GM Gen V LT4 \/ LT5\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCylinder Head Castings:\u003c\/strong\u003e New GM Castings\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePorting:\u003c\/strong\u003e Katech CNC Ported Intake and Exhaust Ports\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntake Port Volume:\u003c\/strong\u003e 313.4cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExhaust Port Volume:\u003c\/strong\u003e 113cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChamber Volume:\u003c\/strong\u003e 65.5cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntake Valves:\u003c\/strong\u003e New GM Titanium\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExhaust Valves:\u003c\/strong\u003e New GM Steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eValve Springs:\u003c\/strong\u003e .660-Inch Dual Valve Spring Package\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect Injection Injector Size:\u003c\/strong\u003e 7.5mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAssembly:\u003c\/strong\u003e Fully Assembled\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCore Required:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Pair\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch3\u003eKatech CNC Porting \u0026amp; Airflow\u003c\/h3\u003e \u003cp\u003eThese cylinder heads receive Katech CNC porting of the intake and exhaust ports. The airflow data below represents the \u003cstrong\u003eKatech CNC\u003c\/strong\u003e configuration and compares it with a production OEM LT4 cylinder head.\u003c\/p\u003e \u003ctable border=\"1\" cellpadding=\"6\"\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eValve Lift\u003c\/th\u003e \u003cth\u003eKatech CNC Intake\u003c\/th\u003e \u003cth\u003eOEM LT4 Intake\u003c\/th\u003e \u003cth\u003eKatech CNC Exhaust\u003c\/th\u003e \u003cth\u003eOEM LT4 Exhaust\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e.100\"\u003c\/td\u003e \u003ctd\u003e70 CFM\u003c\/td\u003e \u003ctd\u003e70 CFM\u003c\/td\u003e \u003ctd\u003e56 CFM\u003c\/td\u003e \u003ctd\u003e54 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.200\"\u003c\/td\u003e \u003ctd\u003e143 CFM\u003c\/td\u003e \u003ctd\u003e141 CFM\u003c\/td\u003e \u003ctd\u003e115 CFM\u003c\/td\u003e \u003ctd\u003e123 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.300\"\u003c\/td\u003e \u003ctd\u003e221 CFM\u003c\/td\u003e \u003ctd\u003e213 CFM\u003c\/td\u003e \u003ctd\u003e155 CFM\u003c\/td\u003e \u003ctd\u003e152 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.400\"\u003c\/td\u003e \u003ctd\u003e273 CFM\u003c\/td\u003e \u003ctd\u003e264 CFM\u003c\/td\u003e \u003ctd\u003e191 CFM\u003c\/td\u003e \u003ctd\u003e176 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.500\"\u003c\/td\u003e \u003ctd\u003e304 CFM\u003c\/td\u003e \u003ctd\u003e277 CFM\u003c\/td\u003e \u003ctd\u003e212 CFM\u003c\/td\u003e \u003ctd\u003e193 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.600\"\u003c\/td\u003e \u003ctd\u003e319 CFM\u003c\/td\u003e \u003ctd\u003e283 CFM\u003c\/td\u003e \u003ctd\u003e219 CFM\u003c\/td\u003e \u003ctd\u003e200 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.700\"\u003c\/td\u003e \u003ctd\u003e340 CFM\u003c\/td\u003e \u003ctd\u003e298 CFM\u003c\/td\u003e \u003ctd\u003e222 CFM\u003c\/td\u003e \u003ctd\u003e204 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.800\"\u003c\/td\u003e \u003ctd\u003e351 CFM\u003c\/td\u003e \u003ctd\u003e309 CFM\u003c\/td\u003e \u003ctd\u003e224 CFM\u003c\/td\u003e \u003ctd\u003e206 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e\u003cstrong\u003ePort \u0026amp; Chamber Data\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eKatech Intake Port Volume:\u003c\/strong\u003e 313.4cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM LT4 Intake Port Volume:\u003c\/strong\u003e 295cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKatech Exhaust Port Volume:\u003c\/strong\u003e 113cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM LT4 Exhaust Port Volume:\u003c\/strong\u003e 109.8cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM LT4 Chamber Volume:\u003c\/strong\u003e 65.5cc\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Airflow figures are flow-bench test data and do not establish maximum allowable camshaft lift. Camshaft and valvetrain compatibility should be determined based on the requirements of the complete engine combination.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eVehicle \u0026amp; Engine Fitment\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eChevrolet Corvette\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e2015-2019 Chevrolet Corvette C7 Z06 - LT4 6.2L Supercharged\u003c\/li\u003e \u003cli\u003e2019 Chevrolet Corvette C7 ZR1 - LT5 6.2L Supercharged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eChevrolet Camaro\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e2017-2024 Chevrolet Camaro ZL1 - LT4 6.2L Supercharged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCadillac\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e2016-2019 Cadillac CTS-V - LT4 6.2L Supercharged\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant Fitment Note:\u003c\/strong\u003e These cylinder heads are designed for compatible LT4\/LT5 applications using 7.5mm direct injection injectors. Verify engine and injector configuration before ordering.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eWhat's Included\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e(2) New GM LT4\/LT5 Cylinder Head Castings, CNC Ported by Katech\u003c\/li\u003e \u003cli\u003eNew GM Titanium Intake Valves\u003c\/li\u003e \u003cli\u003eNew GM Steel Exhaust Valves\u003c\/li\u003e \u003cli\u003e.660-Inch Dual Valve Spring Package\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCylinder heads are engraved and hand assembled at Katech Engineering and supplied fully assembled as a complete pair.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eWhy Choose Katech?\u003c\/h3\u003e \u003cp\u003eSince 1977, Katech has developed high-performance engines and components for professional motorsports, OEM development programs, and performance applications. Katech's Gen V LT cylinder head programs apply that experience to CNC port development, precision machining, and final assembly.\u003c\/p\u003e \u003cp\u003eThis configuration combines new GM LT4\/LT5 cylinder head castings with Katech CNC porting and an upgraded .660-inch dual valve spring package. It provides a fully assembled option for customers who require an upgraded spring package while retaining the standard Katech CNC-ported cylinder head configuration.\u003c\/p\u003e \u003chr\u003e \u003cp\u003e\u003cimg src=\"\/files\/prop-65-warning.jpg\" alt=\"California Proposition 65 Warning\" width=\"175\"\u003e\u003c\/p\u003e","brand":"Katech","offers":[{"title":"Default Title","offer_id":47875132162204,"sku":"KAT-A6969-B","price":4725.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/3206\/5436\/files\/M198643552.png?v=1792260876","url":"https:\/\/daroracing.com\/products\/katech-gen-v-lt4-lt5-performance-cnc-ported-assembled-cylinder-heads","provider":"Daro Racing","version":"1.0","type":"link"}