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Edelbrock 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 (#77698) are designed with a 12° valve angle and unique 307 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 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).
Edelbrock® LLC is one of the nation's premier designers, manufacturers, and distributors of performance and replacement parts for the automotive aftermarket. Our line of products includes camshafts, carburetors, crate engines, cylinder heads, engine dress-up kits, fittings, fuel injection, fuel systems, gaskets, ignition, intake manifolds, sensors, superchargers, thermostats, tools, turbochargers, valve train components, and water pumps. Edelbrock is a proud member of the Edelbrock Group family of brands, including COMP Cams®, FAST® (Fuel Air Spark Technology), TCI® Automotive, Russell® Performance and Lunati Power®, representing over 130 years of performance. Headquartered in Olive Branch, Mississippi, Edelbrock focuses on the future with more innovative parts, creating more opportunities for our customers to go fast. For more information about the Edelbrock Group or any partner brands, visit www.edelbrockgroup.com.
When you design and sell the best-engineered performance products in the world, you have to have a rigorous testing program. Why? Without adequate testing, there's no way to stand behind your product with confidence. That's why every product we design and sell at Edelbrock is tested and approved by Edelbrock engineers in a real world environment on state-of-the-art equipment. Our three Super Flow computerized engine dynos are capable of measuring 11 separate engine variables up to speeds of 12,000 rpm. For 2007, we added a new Super Flow SF902 engine dyno. It's fully automated and programmable to simulate various driving situations, and is equipped with WinDyn software for the very latest in testing equipment. For real-world tuning, there's our Super Flow model SF-840 eddy-current chassis dyno that can handle up to 1,000 hp at the wheels and speeds of 200 mph. When all testing is completed, the results evaluated, and the part has passed all performance criteria, then, and only then, is the product deemed ready for production. These precise testing procedures are applied to the entire Edelbrock line for performance that's guaranteed. Edelbrock test vehicles are driven by Edelbrock engineers and employees to get a "real world" feeling for the performance improvements. Our products are also tested and used by professional race car teams and drivers. Working with these talented individuals is just another extension of our research and development process so when we say "proven performance" we really mean it! Top racing teams in all forms of motorsports rely on Edelbrock to produce parts that they can count on to win races and championships. Further underscoring our commitment to the racing community, Edelbrock is the only aftermarket intake manifold manufacturer licensed by NASCAR.
| CNC Ported | Yes |
|---|---|
| CNC-Machined Combustion Chamber | Yes |
| CNC-Machined Exhaust Runner | Yes |
| CNC-Machined Intake Runner | Yes |
| Combustion Chamber Volume | 69 |
| Construction Type | Bare |
| Country Of Origin | CN |
| Cross Sell/Upsell Part Numbers | 146202B-LSXR 102mm Intake Manifold; LS7 1479-16-GM LS Upgraded OEM Rocker Arms (LS7) 13704TL-KIT-GM LS7 & Gen V LT Rocker Arm Upgrade Kit & Installation Tool |
| Deck Height | 9.240" |
| Deck Thickness | .750" |
| Down Nozzles | No |
| Exhaust Port Location | Raised .100" |
| Exhaust Port Shape | D-Port |
| Exhaust Runner Volume | 93 |
| Exhaust Valve Angle | 12 |
| Exhaust Valve Job Diameter | 1.615 |
| Exhaust Valve Stem Diameter | 8 |
| Family | Victor CNC |
| Grade Type | Race |
| Intake Port Shape | Rectangle |
| Intake Runner Location | Raised .220" |
| Intake Runner Volume | 307 |
| Intake Valve Angle | 12 |
| Intake Valve Diameter | 8 |
| Intake Valve Job Diameter | 2.250 |
| Material | Aluminum |
| Quantity | Sold Individually |
| Related Products | 146202B-LSXR 102mm Intake Manifold; LS7 60840001K2LUN-Crank & Rod Kit, LS (Non LS7 Type 5) 58X Reluctor 5497-LS7 Timing Cover (Fits RHS® or GM Blocks) 28875-Super Victor Small Block Chevy LS7 Intake Manifold EFI STD Flange 28905-Super Victor Small Block Chevy LS7 EFI Dominator Flange Intake Manifold 2887-Super Victor Small-Block Chevy LS7 Intake Manifold Carb 2890-Super Victor Small-Block Chevy LS7 Dominator Flange Carburetor Intake Manifold 146204-LSXHR 103mm Intake Manifold for LS7 Raised Rectangular Port |
| Required Products | 54520 - ROCKER ARM STAND, FOR LS7 |
| RGL | WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov. |
| Rocker Arm Studs/Bolts Included | No |
| Seat Material | Copper |
| Series | Victor CNC |
| Spark Plug Style | Angle |
| Special Notes | 6-Bolt design compatible for both OEM & 6-Bolt blocks, 0.400" Raised Rocker Rail Requires COMP Shaft Mount Rockers OR part 54520; OEM LS7 Rocker Adaptor (Requires 2) |
| Steam Holes Drilled | Yes |
| Street Legal | No |
| Valve Angle | 12 |
| Valve Cover Mounting Style | Center Bolt |
| Valve Guide I.D | 8 |
| Valve Guide Material | Manganese Bronze |
| Valve Guide Size O.D | 0.502 |
12 Months
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).
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