fits model: 660, 600.

( Brand: Gm ), ( Manufacturer Part Number: 12578925 ), ( Bundle Description: 2 Cylinder Heads ), ( Items Included: .660 Max Lift Dual Springs, Stainless Steel Valves ), ( Custom Bundle: Yes ), ( Fitment Type: Direct Replacement ), ( Material: Aluminum ), ( Type: Cylinder Head ), ( Core Charge: No ), ( Oe/oem Part Number: 862 ), ( Manufacturer Warranty: 90 Day ), ( Country/region Of Manufacture: Canada )
The GM 12578925 LM7/LM33 Gen Cylinder Head 862 660 Springs 2.00/1.600 Valves Set is a comprehensive upgrade kit for GM LM7 and LM33 cylinder heads. This set is designed to enhance the performance and durability of your engine, providing you with improved power and reliability.
The kit includes a pair of high-quality cylinder head springs, with sizes of 2.00 inches for the intake valves and 1.600 inches for the exhaust valves. These springs are engineered to withstand higher pressures and temperatures, allowing for more efficient combustion and improved engine response.
The intake valves, with a diameter of 2.00 inches, are designed to provide optimal airflow into the engine's cylinders. This improved airflow can lead to increased power output and better fuel efficiency. The exhaust valves, with a diameter of 1.600 inches, are engineered to allow for the quick and efficient release of exhaust gases, reducing backpressure and improving engine performance.
The cylinder head springs and valves in this kit are all manufactured to meet or exceed OEM specifications, ensuring a reliable and long-lasting upgrade. The cylinder head springs are made from high-tensile steel, while the valves are made from heat-treated steel for maximum durability.
Installing this kit is a straightforward process, and detailed installation instructions are included with the kit. The upgrade can be completed in a few hours with basic hand tools, and no special equipment is required.
In summary, the GM 12578925 LM7/LM33 Gen Cylinder Head 862 660 Springs 2.00/1.600 Valves Set is a high-quality upgrade kit that can improve the performance and durability of your GM LM7 or LM33 engine. With improved intake and exhaust valves, and high-tensile steel cylinder head springs, this kit can help you unlock the full potential of your engine.
Pros of buying GM 12578925 LM7 LM33 Gen Cylinder Head 862 660 Spring Set with 2.00/1.600 Valves:1. Compatibility: This kit is designed specifically for GM engines, ensuring a perfect fit and optimal performance.
2. High-quality components: The cylinder head, springs, and valves are made of durable materials, promising long-lasting use.
3. Improved performance: Upgrading to a new cylinder head and valve set can enhance engine power, torque, and fuel efficiency.
4. OEM-like quality: Since this kit is an aftermarket original equipment manufacturer (OEM) alternative, it will provide similar performance to that of a new factory-installed part.
Cons of buying GM 12578925 LM7 LM33 Gen Cylinder Head 862 660 Spring Set with 2.00/1.600 Valves:1. Price: Upgrading to a new cylinder head and valve set can be expensive, especially if you are working on a budget.
2. Installation complexity: Installing the kit can be a challenging task, requiring specialized tools and mechanical skills.
3. Potential for engine misfires: If the installation is not done correctly, it could lead to engine misfires, decreased performance, and increased emissions.
Conclusion:Buying the GM 12578925 LM7 LM33 Gen Cylinder Head 862 660 Spring Set with 2.00/1.600 Valves can yield significant performance improvements in your engine. However, it's crucial to weigh the pros and cons based on your budget and mechanical skills before making a decision. If you are confident in your abilities and willing to invest in high-performance aftermarket parts, this kit could be an excellent choice for enhancing your vehicle's engine performance. If you have doubts about your ability to install the kit correctly, it may be wise to consult a professional mechanic or have the work done at a professional shop.
Installation of incorrect parts. Discount prices on quality New Reconditioned Automotive Replacement Part. Any portion of costs related to towing fees, substitute transportation, lodging, personal or property damage, loss income, profit sales. Any type of evidence marine or water craft usage.
PCD stands for Poly crystalline Diamond, and is best aluminum heads. Valve job Performed with all required angles vacuum tested seals to ensure perfect compression. CBN milled to ensure a super smooth finish. All necessary parts are cleaned and inspected before final assembly to meet AERA specifications.
Any type of alteration to the product such as resurfacing bottom, or installing high performance accessories, etc. CBN stands for Cubic Boron Nitrite and is best cast-iron heads. Re manufacturing Process Includes. PCD milled to ensure a super smooth finish.
Any pre-existing problems related to cooling, carburetion, fuel injection, erg valve, catalytic converter, electrical, computer-sensors, belts, or anything else not mentioned. Any type of evidence damage due to overheating, pre-ignition or detonation, abuse, neglect.