fits model: Ls3, Monster. year: 2011.

( Brand: Frankenstein Engine Dynamics ), ( Manufacturer Part Number: 113009 ), ( Part Type: Cylinder Head ), ( Items Included: 2 Cylinder Heads ), ( Material: Aluminum )
The Frankenstein Engine Dynamics 113009 Boost Monster M311 273cc LS3 Cylinder Heads Set is a high-performance upgrade for any LS3 engine, designed to deliver increased power and torque for enthusiasts seeking maximum engine output.
These cylinder heads are a direct bolt-on replacement for stock LS3 heads, making for an easy and straightforward installation process. Each head comes complete with 2.02 intake and 1.60 exhaust valves, which are larger than stock and optimized for improved flow and better breathing. The heads feature a unique "square-port" design, which increases combustion chamber volume and offers superior flow characteristics, leading to increased power and torque.
The Boost Monster M311 cylinder heads also come with CNC-machined combustion chambers, which allow for precise and consistent combustion. The heads feature a high-performance, multi-layer coating that provides excellent heat dissipation, ensuring optimal engine performance under heavy loads.
The intake ports on these heads have been designed with a flat-bottom, rectangular shape to facilitate smoother airflow. The exhaust ports are optimized for a 1.92-inch primary and 1.62-inch secondary exhaust valve, providing improved exhaust flow and scavenging.
These high-performance cylinder heads are suitable for use in heavily modified LS3 engines, as well as in racing applications. They are designed to withstand the rigors of high-boost, high-RPM environments, making them an excellent choice for those seeking maximum power and performance from their LS3 engine.
In summary, the Frankenstein Engine Dynamics 113009 Boost Monster M311 273cc LS3 Cylinder Heads Set is a high-performance upgrade for any LS3 engine, offering increased power and torque through optimized flow characteristics, larger valves, and a unique "square-port" design. With superior heat dissipation and durability, these heads are an excellent choice for heavily modified engines and racing applications.
The Frankenstein Engine Dynamics 113009 Boost Monster M311 273cc LS3 Cylinder Heads Set is a popular aftermarket upgrade for those looking to boost the performance of their LS3 engines. Here are the pros and cons to help you make an informed decision.
Pros:1. Enhanced Performance: These high-performance cylinder heads are designed to increase power output and torque, making them an excellent option for those seeking to supercharge their LS3 engines.
2. Durability: The Frankenstein Engine Dynamics cylinder heads are made from high-quality materials and are engineered to withstand the rigors of high-performance applications.
3. Improved Airflow: The ports and combustion chamber design of these heads improve airflow, allowing for more efficient combustion and better engine performance.
4. Versatility: These cylinder heads can be used in various applications, including race cars, hot rods, and high-performance street cars, making them a versatile option.
5. Easy Installation: The installation process for these cylinder heads is relatively straightforward, and many users report that it can be completed in a day or less with the right tools and knowledge.
Cons:1. Cost: The Frankenstein Engine Dynamics 113009 Boost Monster M311 273cc LS3 Cylinder Heads Set is a premium product, and the cost may be a significant barrier for some buyers.
2. Requires Additional Modifications: To fully realize the potential of these cylinder heads, additional modifications may be necessary, such as upgraded fuel system components and an engine management system.
3. Compatibility: These cylinder heads may not be compatible with all LS3 engines, so it's essential to verify that they will fit your specific application before making a purchase.
4. Potential for Increased Emissions: The increased performance of these cylinder heads may result in higher emissions, which could be a concern for some buyers, particularly those in areas with strict emissions regulations.
Conclusion:The Frankenstein Engine Dynamics 113009 Boost Monster M311 273cc LS3 Cylinder Heads Set offers significant performance gains for those looking to upgrade their LS3 engines. While the cost may be a barrier for some, the durability, improved airflow, and versatility make these heads an attractive option for those seeking high-performance gains. However, it's important to consider the potential for increased emissions and the need for additional modifications before making a purchase.
Recommendation:If you're looking to significantly boost the performance of your LS3 engine and are willing to invest in a high-quality, durable set of cylinder heads, the Frankenstein Engine Dynamics 113009 Boost Monster M311 273cc LS3 Cylinder Heads Set is an excellent choice. Just be sure to verify compatibility and consider the additional modifications and costs that may be required.
Exhaust Gaskets: High Temp Silicone O-Rings. Premium Components. Will Not Work with Factory Rocker Stands Must Use M311 Stands or Specific Shaft Kit. Stainless Steel Severe Duty Intake Valves, Incline Exhaust Valves.
Heavy Duty Construction: Extra-thick deck surfaces are included to alleviate head gasket sealing issues, especially in power-adder applications such as forced induction or notorious systems. Heads Sold/Priced as a pair. Valve Seals: Vito High Heat Seal. O-Ringed Exhaust Ports Hi-Temp Silicone O-rings included.
Fits 4.000 and Larger Bore LS Engines when used with a Rectangle Port LS3 Intake Manifold. Fully CNC-ported and constructed with high-quality components, these heads deliver exceptional airflow combustion efficiency, making them ideal for racing applications as well high performance street builds. For those who demand maximum power from their turbocharged or supercharged LS Engine, these M311 Boost Monster cylinder heads are the ultimate choice. Specifications.
Perfect for High-Rev and Striker Builds: Ideal high-RPM stock bottom end builds or larger displacement striker Engines, these heads are Engineered to meet the airflow demands of aggressive applications. Key Features. Designed to feed high-RPM stock bottom ends or larger displacement striker Engines, the M311 heads feature a 5-Axis CNC ported intake and exhaust chambers, meticulously hand-blended debarred for maximum performance. Valve Locks: GM Locks.
In Stock, Ready To Ship.