fits model: Ls3.

( Brand: Gm ), ( Manufacturer Part Number: 88958698 ), ( Type: Cylinder Head ), ( Items Included: Bolts ), ( Material: Aluminum ), ( Country/region Of Manufacture: United States ), ( Vintage Part: No ), ( California Prop 65 Warning: This Product May Contain Chemicals Known To The State Of California To Cause Cancer, Birth Defects, Or Other Reproductive Harm. ), ( Performance Part: Yes )
Embark on an exceptional journey of engine performance enhancement with the GM 88958698 Performance CNC LS3 Heads. Crafted with precision and designed for high-performance applications, these heads are a testament to modern engineering and technology.
The GM 88958698 Performance CNC LS3 Heads are CNC-machined to achieve unparalleled accuracy and consistency, ensuring optimal engine efficiency. Each head undergoes a rigorous inspection process to ensure they meet the stringent quality standards set by GM.
These heads feature large, 3.92-inch intake and 3.48-inch exhaust ports, which provide ample flow capacity to support increased horsepower and torque. The combustion chamber design is optimized for efficient combustion, while the included valves and springs are designed for durability and performance.
The GM 88958698 Performance CNC LS3 Heads are compatible with various LS-based engines, making them a versatile choice for many automotive enthusiasts. They are also designed to work seamlessly with popular aftermarket intake and exhaust systems, offering endless possibilities for customization.
In conclusion, the GM 88958698 Performance CNC LS3 Heads are a must-have upgrade for any performance-oriented LS-based engine. They deliver improved power, enhanced efficiency, and unmatched reliability, making them an excellent investment for any automotive enthusiast. Upgrade your engine today and experience the difference that precision and performance can make.
1. High Performance: These heads are designed for high-performance applications, delivering increased power and torque.
2. CNC Porting: The Computer Numerical Control (CNC) porting ensures precise and consistent engine airflow, improving performance and efficiency.
3. Durability: CNC machining results in a robust and durable design, capable of withstanding the rigors of high-performance driving.
4. Improved Airflow: The LS3 heads offer increased airflow compared to stock heads, allowing for better combustion and more power.
Cons:1. Cost: The GM 88958698 Performance CNC LS3 Heads are a premium product and therefore are more expensive than stock heads.
2. Installation Complexity: Installing these heads may require professional assistance, especially if you are not familiar with high-performance engine modifications.
3. Compatibility: These heads are specifically designed for LS3 engines, so they may not be compatible with other engine types.
4. Potential Power Overkill: If you are not planning on using the engine for high-performance applications, the increased power might not be necessary, leading to wasted resources.
Conclusion:The GM 88958698 Performance CNC LS3 Heads are an excellent choice if you are looking to significantly enhance the performance of your LS3 engine. However, due to their cost and potential complexity of installation, they might not be suitable for all users. It's recommended to carefully consider your needs and budget before making a decision. If you are unsure, consulting with a professional mechanic or performance specialist can help guide you towards the best choice for your specific situation.
Made from durable aluminum and manufactured in the USA, these heads are a genuine GM product that offers improved performance. 2 years ago I dropped a bolt down intake port. I had the heads decked, replaced valves in that port, and a valve job done. The GM Performance Parts CNC Ported LS3 Heads 88958698 are high-performance cylinder heads designed for engines like.
With a performance part rating and specific manufacturer number, these heads are sure to enhance the power efficiency of your engine. You can see the marks on picture below. I am changing my engine setup - and no longer needs these heads, now they are for sale.