fits make: Triumph.

( Manufacturer Part Number: 218143 ), ( Part Type: Valve Cylinder Head ), ( Country/region Of Manufacture: United Kingdom ), ( Vintage Car Part: Yes )
The Triumph Spitfire Midget Cylinder Head with Big Inlet Valve (Part Number: 218143, Cross Reference: 312240) is an essential upgrade for any classic Triumph Spitfire or Midget enthusiast. This high-performance cylinder head is designed to enhance the engine's breathing capabilities, resulting in improved power output and throttle response.
The standout feature of this cylinder head is the large inlet valve. By increasing the inlet valve size, more air and fuel can be drawn into the engine's combustion chambers, which in turn allows for a more complete combustion process. This results in increased power and torque, making your Spitfire or Midget feel more lively and responsive on the road.
The cylinder head itself is made from high-quality cast aluminum, ensuring durability and resistance to heat. It features a multi-port design, which allows for improved cooling and reduced engine temperatures. The multi-port design also provides better fuel distribution, ensuring that each cylinder receives an optimal fuel-air mixture.
The cylinder head also comes with new valves, springs, and retainers, ensuring a smooth and reliable operation. The valve seats are precision-machined to provide a perfect seal, reducing the likelihood of leaks and ensuring that all the engine's power is directed towards the wheels.
Installing this cylinder head is relatively straightforward, thanks to its bolt-on design. It is compatible with most Triumph Spitfire and Midget models, making it a versatile upgrade option for many classic car owners.
In summary, the Triumph Spitfire Midget Cylinder Head with Big Inlet Valve is an excellent upgrade for any classic Triumph owner looking to improve their car's performance. Its large inlet valve, high-quality construction, and easy installation make it a popular choice among enthusiasts. Whether you're looking to add a little extra power to your daily driver or take your classic racing, this cylinder head is an excellent investment.
Pros of buying a Triumph Spitfire Midget Cylinder Head (Part Number: 218143, Big Inlet Valve, Part Number: 312240):1. Enhanced performance: The big inlet valve will allow more air to enter the engine, which can improve the engine's power and efficiency.
2. Better fuel economy: With improved combustion, the engine may consume less fuel, leading to better fuel economy.
3. Durability: Triumph is known for its high-quality parts, and this cylinder head is likely to be durable and long-lasting.
Cons of buying a Triumph Spitfire Midget Cylinder Head (Part Number: 218143, Big Inlet Valve, Part Number: 312240):1. Compatibility issues: Make sure the cylinder head is compatible with your specific Spitfire Midget model and engine size.
2. Cost: The cylinder head may be expensive, so it's important to weigh the benefits against the cost.
3. Installation difficulty: If you're not experienced with engine work, installing a cylinder head can be challenging and may require the help of a professional.
Conclusion:If you're looking to improve the performance of your Triumph Spitfire Midget, a big inlet valve cylinder head can be a great investment. However, it's important to ensure compatibility and consider the cost and installation difficulty before making a purchase. If you're unsure, it may be worth consulting with a professional mechanic.
Recommendation:If you decide to purchase the Triumph Spitfire Midget Cylinder Head (Part Number: 218143, Big Inlet Valve, Part Number: 312240), make sure to do your research and consult with a professional before installation. It's also a good idea to have a backup plan in case of any compatibility issues or unexpected costs. Overall, with careful consideration and preparation, this cylinder head can greatly improve the performance of your Triumph Spitfire Midget.
The inlet valves are This head came with a parts car. This part came from a 1972 spitfire. 5:1 on flat-top pistons or 7.
The casting number is. The stamped part number is on most other spitfire heads. 17 same as other spitfire heads. No air injection ports.
The head appears to be in pretty good shape. 5:1 compression with the flat top pistons on a 1296 bore - or if fitted 1493 it would give 8. I haven't dismantled it to check them out in detail but they look visibly OK from what you can see and would most likely be re-usable.
On visual inspection no cracks or other damage. Exhaust valves are Comes with full set of valves and springs. According to my reference sources this head has approximately 44 cc combustion chamber volume and would give 7.
Triumph spitfire mg midget cylinder head big valve part this is a good used for 1300 or also 1500 which same engine. Rocker pedestal studs still in place. 44 compared to Note this is the version of spitfire head with bigger inlet valves fitted as standard to late Mk iv and early '73 ' engines.
I did not see it running but know was part of a fully assembled car so assume in use and serviceable. 6:1 with the federal spec dished pistons. All threads good. If you are selecting parts for a performance build your spitfire this head gives slightly better inlet flow potential.
There was no evidence on strip-down of any gasket failure, water in the oil or.