{"product_id":"katech-gen-v-lt1-cnc-ported-assembled-cylinder-heads-2014-2021","title":"Katech Gen V LT1 CNC Ported Assembled Cylinder Heads 2014–2021","description":"\u003ch2\u003eKatech Gen V LT1 CNC Ported Assembled Cylinder Heads 2014–2021\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 LT1 CNC Ported Assembled Cylinder Heads 2014–2021\u003c\/strong\u003e provide a complete performance cylinder head solution for compatible Gen V LT1 and L86 engines using 7.5mm direct injection injectors. Each pair starts with brand-new GM cylinder head castings and receives Katech's standard CNC porting program before final assembly at Katech Engineering.\u003c\/p\u003e \u003cp\u003eThese cylinder heads retain an unmodified combustion chamber and are assembled with new OEM intake and exhaust valves and .660-inch dual valve springs. With a maximum recommended cam lift of .660 inch, they are suitable for compatible naturally aspirated or boosted performance applications.\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 Standard CNC Ported Intake and Exhaust Ports\u003c\/li\u003e \u003cli\u003eUnmodified Combustion Chambers\u003c\/li\u003e \u003cli\u003eNew OEM Intake and Exhaust Valves\u003c\/li\u003e \u003cli\u003e.660-Inch Dual Valve Springs\u003c\/li\u003e \u003cli\u003eMaximum Recommended Cam Lift of .660 Inch\u003c\/li\u003e \u003cli\u003eCompatible with Naturally Aspirated or Boosted Applications\u003c\/li\u003e \u003cli\u003eDesigned for Compatible LT1 and L86 Engines Using 7.5mm Direct Injection Injectors\u003c\/li\u003e \u003cli\u003eKatech Logo Engraved on Each Cylinder Head\u003c\/li\u003e \u003cli\u003eHand Assembled and Ready for Installation\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 LT1 \/ L86\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 Standard CNC Porting\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\u003eCombustion Chamber:\u003c\/strong\u003e Unmodified\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKatech Chamber Volume:\u003c\/strong\u003e 61.6cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eValves:\u003c\/strong\u003e New OEM Intake and Exhaust Valves\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eValve Springs:\u003c\/strong\u003e .660-Inch Dual Valve Springs\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Recommended Cam Lift:\u003c\/strong\u003e .660 Inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect Injection Injector Size:\u003c\/strong\u003e 7.5mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInduction:\u003c\/strong\u003e Naturally Aspirated or Boosted\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's standard LT1 CNC porting program for consistent intake and exhaust port geometry. The airflow data below represents the \u003cstrong\u003eKatech CNC\u003c\/strong\u003e configuration compared with an OEM LT1 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 LT1 Intake\u003c\/th\u003e \u003cth\u003eKatech CNC Exhaust\u003c\/th\u003e \u003cth\u003eOEM LT1 Exhaust\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e.100\"\u003c\/td\u003e \u003ctd\u003e72 CFM\u003c\/td\u003e \u003ctd\u003e72 CFM\u003c\/td\u003e \u003ctd\u003e55 CFM\u003c\/td\u003e \u003ctd\u003e53 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.200\"\u003c\/td\u003e \u003ctd\u003e141 CFM\u003c\/td\u003e \u003ctd\u003e137 CFM\u003c\/td\u003e \u003ctd\u003e112 CFM\u003c\/td\u003e \u003ctd\u003e117 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.300\"\u003c\/td\u003e \u003ctd\u003e207 CFM\u003c\/td\u003e \u003ctd\u003e208 CFM\u003c\/td\u003e \u003ctd\u003e146 CFM\u003c\/td\u003e \u003ctd\u003e146 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.400\"\u003c\/td\u003e \u003ctd\u003e260 CFM\u003c\/td\u003e \u003ctd\u003e260 CFM\u003c\/td\u003e \u003ctd\u003e179 CFM\u003c\/td\u003e \u003ctd\u003e172 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.500\"\u003c\/td\u003e \u003ctd\u003e307 CFM\u003c\/td\u003e \u003ctd\u003e300 CFM\u003c\/td\u003e \u003ctd\u003e206 CFM\u003c\/td\u003e \u003ctd\u003e191 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.600\"\u003c\/td\u003e \u003ctd\u003e331 CFM\u003c\/td\u003e \u003ctd\u003e290 CFM\u003c\/td\u003e \u003ctd\u003e218 CFM\u003c\/td\u003e \u003ctd\u003e199 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.700\"\u003c\/td\u003e \u003ctd\u003e325 CFM\u003c\/td\u003e \u003ctd\u003e294 CFM\u003c\/td\u003e \u003ctd\u003e222 CFM\u003c\/td\u003e \u003ctd\u003e202 CFM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e.800\"\u003c\/td\u003e \u003ctd\u003e337 CFM\u003c\/td\u003e \u003ctd\u003e304 CFM\u003c\/td\u003e \u003ctd\u003e224 CFM\u003c\/td\u003e \u003ctd\u003e204 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 CNC Intake Port Volume:\u003c\/strong\u003e 313.4cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM LT1 Intake Port Volume:\u003c\/strong\u003e 297cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKatech CNC Exhaust Port Volume:\u003c\/strong\u003e 113cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM LT1 Exhaust Port Volume:\u003c\/strong\u003e 107cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKatech Chamber Volume:\u003c\/strong\u003e 61.6cc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM LT1 Chamber Volume:\u003c\/strong\u003e 59cc\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Airflow figures above are flow-bench test data. Valve lift test points above .660 inch do not indicate recommended camshaft lift. Maximum recommended cam lift for these assembled cylinder heads is .660 inch.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eVehicle \u0026amp; Engine Fitment\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eGM Gen V LT Applications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCompatible LT1 Engines Using 7.5mm Direct Injection Injectors\u003c\/li\u003e \u003cli\u003eCompatible L86 Engines Using 7.5mm Direct Injection Injectors\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant Fitment Note:\u003c\/strong\u003e These cylinder heads are specifically for LT1 and L86 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 Cylinder Head Castings, CNC Ported by Katech\u003c\/li\u003e \u003cli\u003eNew OEM Intake and Exhaust Valves\u003c\/li\u003e \u003cli\u003e.660-Inch Dual Valve Springs\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 and built high-performance engines and components for professional motorsports, OEM development programs, and performance applications. Katech's Gen V LT cylinder head program applies that experience to CNC port development, precision machining, and final assembly.\u003c\/p\u003e \u003cp\u003eEach pair starts with new GM castings and is CNC ported, engraved, and hand assembled at Katech Engineering, providing a consistent, complete cylinder head package without requiring a core exchange.\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":47875105063068,"sku":"KAT-A7674","price":2179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/3206\/5436\/files\/M198644273.png?v=1791736901","url":"https:\/\/daroracing.com\/products\/katech-gen-v-lt1-cnc-ported-assembled-cylinder-heads-2014-2021","provider":"Daro Racing","version":"1.0","type":"link"}