{"product_id":"edelbrock-victor-cnc-gm-ls7-12-degree-6-bolt-cylinder-head-291cc-220in-int-port-ci-pm-seat","title":"Edelbrock Victor CNC GM LS7 12 Degree 6-Bolt Cylinder Head, 291cc, .220in Int Port, CI PM Seat - 77679","description":"\u003cp\u003eEdelbrock Victor CNC® LS7 Cylinder Heads are one of the first aftermarket high-performance LS-style heads to feature a raised intake runner design that fits both stock and aftermarket LS7 intake manifolds and valvetrain setups. The raised runner and rolled valve angle increase overall flow capability, while an improved water jacket design improves thermal conductivity. These premium 110 BHN 355-T6 aluminum alloy cylinder heads (#77679) are designed with a 12° valve angle and 291 cc .220\" raised intake runners to provide a better line of sight into the 69 cc chambers and allow for an improved short turn. The exhaust ports are also raised .100” to allow the use of stock and aftermarket manifolds, while the .400” raised rail works with aftermarket rockers. The 100% CNC-ported runners and combustion chambers optimize volume, atomization, and velocity. The 6-bolt design increases clamping capacity and greatly improves head gasket retention in high-horsepower and boosted applications in small and large cubic inch, hardcore street applications. It also makes it compatible with the advanced Edelbrock LS Race, GM LSX 6-bolt, and OEM 4-bolt blocks. Built to withstand race conditions, the .750”-thick deck surface and a reinforced solid rocker rail increase integrity, rigidity, and stability. The copper-infused powder metal seats received a 2.200” intake and 1.615” exhaust valve job. The heads are sold bare, but we recommend COMP shaft mount rocker system (#1523CPG), valves, and springs, or if you want to use single rockers like #1479-16, you will need our LS7 rocker stands (#54520-2).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThese premium aluminum alloy 6-bolt cylinder heads are designed with a 12° valve angle and unique 291 cc .220\" raised CNC-ported intake runners to provide a better line of sight into the 69 cc chambers and allow for an improved short turn.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVICTOR CNC 291 220 LS7 6-BOLT FLANGE COPPER SEATS\u003c\/li\u003e\n\u003cli\u003eRequires COMP Shaft Mount Rockers. OEM LS7 Rocker Adaptor (Requires qty 2)\u003c\/li\u003e\n\u003cli\u003ePremium 110 BHN aluminum alloy, .220\" raised intake port, .100\" raised exhaust port, CI PM valve seats, 307cc or 291cc intake port volume, 2.250\" or 2.200\" x 1.615\" valve job\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCombustion Chamber Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeart\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCylinder Head Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e356-T6 Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCylinder Head Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake Valve Job Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.200 IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachined for O-Ring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6-Bolt design compatible for both OEM \u0026amp; 6-Bolt blocks, 0.400\" Raised Rocker Rail Requires COMP Shaft Mount Rockers OR part 54520; OEM LS7 Rocker Adaptor (Requires qty 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOiling Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThrough Pushrod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemanufactured\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpark Plug Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAngle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSteam Holes Drilled\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Cover Mounting Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCenter Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Guides Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Seat Machine Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-angle intake\/4-angle exhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Seats Machine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Springs Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Stem Seals Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVictor CNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e10\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuel Injection Down Nozzles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Port Location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRaised 0.100\" IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake Runner Location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRaised 0.220\" IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDeck Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.750\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrade Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRace\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Seat Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCI-PM (Copper Infiltrated Powdered Metal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSold Individually\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFamily\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVictor CNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDeck Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.240\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCNC Ported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRequired Products\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e54520 - ROCKER ARM STAND, FOR LS7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelated Products\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e146202B-LSXR 102mm Intake Manifold; 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For more information, visit www.P65warnings.ca.gov.\u003c\/small\u003e\u003c\/p\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":53134404616555,"sku":"EDE77679","price":1695.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/9690\/4998\/files\/EDEL_77695_CYLINDER_20HEADS_Victor_20CNC_V1.jpg?v=1780174647","url":"https:\/\/www.raptorracing.com\/products\/edelbrock-victor-cnc-gm-ls7-12-degree-6-bolt-cylinder-head-291cc-220in-int-port-ci-pm-seat","provider":"Raptor Racing","version":"1.0","type":"link"}