fits model: A12. make: Datsun, Nissan.

( Brand: Nissan Motorsport ), ( Manufacturer Part Number: 99996-H1165 ), ( Part Type: Cylinder Head )
The 99996-H1165 Nissan Race Cylinder is a high-performance component designed specifically for motorsport applications, including the A12 engines used in Nissan's iconic race cars and the A-series engines found in Datsun models. This cylinder head is meticulously crafted to deliver exceptional power, reliability, and durability under the most demanding racing conditions.
The 99996-H1165 Nissan Race Cylinder features a high-flow port design that maximizes fuel and air intake, resulting in increased combustion efficiency and more potent power output. The intake and exhaust ports are carefully shaped to minimize turbulence and promote smooth and efficient flow, which in turn helps to reduce engine heat and improve overall performance.
The cylinder head is made from a high-strength aluminum alloy that is both lightweight and incredibly strong. This material allows the head to withstand the extreme heat and pressure generated during racing, while also offering excellent thermal conductivity to help dissipate heat and maintain optimal engine temperatures.
The 99996-H1165 Nissan Race Cylinder also features reinforced valve seats and thicker valve springs to ensure reliable operation and reduce the risk of valve failure under high-rpm conditions. The cylinder head is also equipped with adjustable valve clearances, allowing racers to fine-tune their engine settings for optimal performance.
In addition, the cylinder head is equipped with high-performance camshafts and valves that provide increased lift and duration, resulting in more aggressive cam timing and improved engine response. The intake and exhaust valves are also made from high-quality materials, such as stainless steel, to ensure durability and corrosion resistance.
Overall, the 99996-H1165 Nissan Race Cylinder is an ideal upgrade for any race car or high-performance vehicle that relies on the A12 or A-series engine. With its high-flow port design, lightweight yet strong construction, reinforced valve seats, and adjustable valve clearances, this cylinder head is sure to deliver outstanding power, reliability, and durability, making it an essential component for any serious racer.
Pros of buying a 99996-H1165 Nissan Race Cylinder A12 Motorsport Datsun Head A15 A-Series:1. High-performance: This cylinder head is designed for racing and high-performance applications, which means it can provide increased power and engine efficiency.
2. Durability: The cylinder head is made of high-quality materials and is designed to withstand the rigors of racing, making it a reliable choice.
3. Customizability: The cylinder head can be easily modified and tuned to meet the specific needs of your engine, allowing you to fine-tune its performance for your specific application.
4. Compatibility: The cylinder head is compatible with a wide range of engines, making it a versatile option for many different vehicles.
Cons of buying a 99996-H1165 Nissan Race Cylinder A12 Motorsport Datsun Head A15 A-Series:1. Cost: The cylinder head is not cheap, and the cost of installation and any necessary modifications can add to the overall expense.
2. Requires specialized knowledge: Installing and tuning this cylinder head requires a high level of mechanical knowledge and experience, which may not be available to all car owners.
3. May not be street legal: Depending on your local laws and regulations, the high-performance nature of this cylinder head may make your vehicle illegal for use on public roads.
Conclusion:The 99996-H1165 Nissan Race Cylinder A12 Motorsport Datsun Head A15 A-Series is a high-quality, high-performance option for car owners looking to increase the power and efficiency of their engine. However, the cost and specialized knowledge required to install and tune the cylinder head may make it a less appealing option for some. If you are a car enthusiast with the necessary mechanical knowledge and the desire to take your vehicle to the next level, this cylinder head may be a worthwhile investment.
Recommendation:If you are considering purchasing the 99996-H1165 Nissan Race Cylinder A12 Motorsport Datsun Head A15 A-Series, I would recommend doing your research and consulting with a knowledgeable mechanic to ensure that it is the right choice for your specific application. Additionally, I would suggest budgeting for any necessary modifications and installation costs, as well as considering the potential legal implications of using a high-performance cylinder head on public roads. Ultimately, whether or not this cylinder head is a good investment for you will depend on your specific needs and goals as a car owner.
From the original catalog these modified GX cylinder heads are ported polished and fitted with competition 37mm intake and 30mm Part number is h1165. Must be used with either the GX or miking sole intake manifold. These are very hard to find components for the a series Datsun engine today, particularly in this condition.
A new set of Motorsport anodized aluminum race retainers are included as well, part h1131. 18 exhaust valves.
The valves are back cut to improve flow. That special miking sole intake manifold is included.