fits make: Jaguar.

( Manufacturer Part Number: EACT1639P ), ( Type: Cylinder Head ), ( Oe/oem Part Number: Ba85307 ), ( Manufacturer Warranty: No ), ( Items Included: Camshafts And Tappets ), ( Material: Aluminum ), ( Country/region Of Manufacture: United Kingdom ), ( Vintage Part: Yes ), ( Finish: Unfinished )
The Jaguar EACT1639P 4.2 Big Valve Head is a high-performance component designed for diesel engines, specifically those fitted with the Jaguar Land Rover's EGR (Exhaust Gas Recirculation) system. This big valve head is an upgrade from the standard unit, offering enhanced performance and durability.
The Jaguar EACT1639P 4.2 Big Valve Head is engineered with larger valves, which allow for a greater volume of air and fuel to enter the combustion chamber. This results in improved engine performance, with increased power output and torque. The larger valves also reduce the likelihood of the valves becoming fouled or blocked, reducing the need for frequent maintenance.
The EACT1639P 4.2 Big Valve Head is made from high-quality materials, including a durable cast iron construction. This ensures that the head is able to withstand the high temperatures and pressures that are generated within the engine. The head also features precision machining, ensuring that the valve seats are perfectly aligned, reducing the risk of leaks and improving engine efficiency.
The Jaguar EACT1639P 4.2 Big Valve Head is compatible with a range of Jaguar and Land Rover vehicles, including the Discovery 4, Range Rover Sport, and Land Rover Defender. It is easy to install, with a straightforward bolt-on design. However, it is recommended that the installation is carried out by a qualified mechanic to ensure that it is fitted correctly and securely.
In conclusion, the Jaguar EACT1639P 4.2 Big Valve Head is a high-quality upgrade for Jaguar and Land Rover engines. Its larger valves provide improved engine performance, while its durable construction ensures that it is able to withstand the demands of high-performance driving. Whether you're looking to improve the performance of your vehicle or simply want to ensure that your engine is running at its best, the Jaguar EACT1639P 4.2 Big Valve Head is a great choice.
Pros of buying Jaguar EACT1639P 4.2 Big Valve Head:1. High Performance: The Big Valve Head is designed to improve engine performance, providing more power and torque. This can result in faster acceleration and better overall driving dynamics.
2. Enhanced Sound: The Big Valve Head is known for its rich and powerful engine note, which can enhance the driving experience for many enthusiasts.
3. Improved Fuel Efficiency: Although not always the case, some users have reported improved fuel efficiency due to the more efficient combustion process provided by the Big Valve Head.
4. Increased Resale Value: The Jaguar EACT1639P 4.2 Big Valve Head is a desirable modification for many Jaguar enthusiasts. As a result, the vehicle may have a higher resale value than a standard EACT1639P.
Cons of buying Jaguar EACT1639P 4.2 Big Valve Head:1. Cost: The Big Valve Head can be quite expensive, ranging from several hundred to several thousand dollars, depending on the specific components used and the labor required to install them.
2. Installation Complexity: The installation of the Big Valve Head can be a complex process, requiring specialized tools and skills. It may be best to have the work done by a professional mechanic.
3. Potential for Engine Damage: If not installed correctly, the Big Valve Head can cause engine damage. This is why it's important to use a qualified mechanic and follow proper installation guidelines.
4. Impact on Warranty: Modifying the engine can void the vehicle's warranty, so it's important to check with Jaguar or a qualified mechanic before making any modifications.
Conclusion: The Jaguar EACT1639P 4.2 Big Valve Head can provide significant performance and sound benefits, but it also comes with a high cost and potential risks. Before making the decision to install a Big Valve Head, it's important to weigh these pros and cons and consider whether the modifications are worth the investment. It may be helpful to consult with a qualified mechanic to get a better understanding of the specific benefits and risks for your vehicle.
Recommendation: If you are considering installing a Big Valve Head, it's recommended to work with a qualified mechanic who has experience with Jaguar engines. They can help ensure that the installation is done correctly and that the modifications will provide the desired performance benefits while minimizing the risks of engine damage. Additionally, it's important to make sure that the modifications will not void your warranty or impact your insurance coverage. Overall, the Jaguar EACT1639P 4.2 Big Valve Head can be a great performance upgrade, but it should be approached with caution and careful consideration.
This head has a tappet guide hold down kit on the exhaust side. Intake valves were resurfaced. This head would fit on earlier engines pre-1969 if the two water ports at rear are plugged with a pipe plug. For sale is a nice rebuilt rare big valve head with no air injection ports.
Free shipping in the USA. There are no valve shims installed, so it would need that completed before use. It comes with tappets matching camshafts. It has new valve seats, guides, and exhaust valves.