Edelbrock Cylinder Head Victor CNC 11-Degree With Stainless Steel Intake/ Exhaust Valves For LS3 68CC Engines

Edelbrock's 11-Degree Victor CNC Cylinder Head (77660) is built to resist extreme temperatures whilst sitting atop your engine block. It's suitable for high horsepower, naturally aspirated, and boosted applications and can be perfectly paired with your GM LS3 68CC engine.

Features and Benefits: 
- Ideal for High HP, Naturally Aspirated, and Boosted Applications
- 6-Bolt Design with Increased Clamping Capacity
- Improved Head Gasket Sealing
- Machined to the Industry's Tightest Tolerances 
- 11-Degree Valve Angle 
- Copper Infiltrated Powder Metal Valve Seats
- Fully CNC-Machined Ports for Max Airflow 
- .700” Thick Deck and Reinforced Rocker Rails
- Manganese Bronze Valve Guides 

The Cylinder Head houses a number of moving parts, such as stainless steel intake and exhaust valves, .660” lift Beehive Springs, and a 68cc combustion chamber. It's also assembled with COMP Cams valve train components, tool steel retainers, and premium valve seals. 

Specifications: 
- Intake Valve Diameter: 2.165 Inches 
- Camshaft Type: Hydraulic Camshaft
- CNC Ported: Yes
- Combustion Chamber Volume: 68 cc
- Exhaust Valve Diameter: 1.6 Inches 
- Intake Runner Volume: 263 cc
- Valve Angle: 11 Degree 
- Valve Spring Diameter: 0.680/1.319 Inches 
- Valve Spring Maximum Lift: 0.660 Inches 

With an LS 6-bolt design, the Cylinder Head is compatible with the GM LSX block and all aftermarket iron or aluminum 6-bolt per cylinder LS race blocks. The 6-bolt design is superior to the standard factory 4-bolt setup in terms of clamping capacity and head gasket sealing.