fits model: Cooper, Classic. make: Austin.
( Brand: British Motor Corporation / Mowog ), ( Manufacturer Part Number: 12G940 ), ( Part Type: Head Cylinder Seat Motor ), ( Country/region Of Manufacture: United Kingdom )
The 12g940 Sprite Head is a high-quality replacement cylinder head for the classic Mini Cooper, Midget, and Austin-Healey Sprite. This cylinder head is specifically designed for engines with a 1275cc capacity, making it an ideal choice for enthusiasts looking to upgrade or restore their vintage British cars.
The 12g940 Sprite Head is meticulously crafted to ensure optimal performance and reliability. The cylinder head features checked hardened valve seats, which provide superior sealing and reduced wear and tear. This ensures that the cylinder head can withstand the rigors of high-performance driving, while also reducing the risk of engine leaks and failures.
The cylinder head is also equipped with a high-flow intake and exhaust port design, which allows for improved air and fuel flow throughout the engine. This results in increased power output, improved throttle response, and smoother engine operation. The cylinder head is also compatible with modern ignition systems, making it easy to upgrade to electronic ignition for even better performance.
The 12g940 Sprite Head is made from high-quality cast iron, which provides excellent heat dissipation and durability. The cylinder head is also precision-machined to ensure a perfect fit, ensuring a hassle-free installation process. The cylinder head is also coated with a corrosion-resistant finish, which helps to protect the cylinder head from moisture and other corrosive substances.
The 12g940 Sprite Head is a high-quality replacement cylinder head that is perfect for classic Mini Cooper, Midget, and Austin-Healey Sprite owners looking to upgrade or restore their engines. With its hardened valve seats, high-flow port design, and durable cast iron construction, this cylinder head is sure to provide years of reliable performance and enjoyment.
Pros of buying a 12g940 Sprite head for a Midget, Mini, British Cooper, or MG Midget/Midget Classic/Austin Motor 1275:1. Improved performance: The 12g940 Sprite head is designed to provide better power and torque compared to the standard MG Midget/Midget Classic/Austin Motor 1275 cylinder head.
2. Enhanced reliability: The head is checked, hardened, and has hardened seats, which can contribute to improved engine longevity and durability.
3. Increased efficiency: The 12g940 Sprite head is often designed to improve fuel efficiency and reduce emissions, which can be beneficial for both performance and environmental considerations.
4. Compatibility: The head is typically compatible with various engines and can be used as a replacement for the standard head in Midget, Mini, British Cooper, or MG Midget/Midget Classic/Austin Motor 1275 vehicles.
Cons of buying a 12g940 Sprite head for a Midget, Mini, British Cooper, or MG Midget/Midget Classic/Austin Motor 1275:1. Cost: The 12g940 Sprite head is usually more expensive than the standard cylinder head.
2. Installation complexity: Installing the new head may require specialized tools and skills, which can be costly and time-consuming.
3. Potential engine modifications: The new head may require additional modifications to the engine, such as new valves, springs, or camshaft, which can add to the overall cost.
4. Performance limitation: While the 12g940 Sprite head can improve performance, it may not reach the same levels as more extreme modifications like supercharging or turbocharging.
Recommendation:The 12g940 Sprite head is a worthwhile investment for enthusiasts looking to enhance the performance and reliability of their Midget, Mini, British Cooper, or MG Midget/Midget Classic/Austin Motor 1275. The improved power, torque, and fuel efficiency can make for a more enjoyable driving experience. However, it's essential to consider the additional costs associated with the head, such as installation and potential engine modifications. If you have the necessary resources and are willing to invest in performance, the 12g940 Sprite head is a solid choice for your classic British vehicle.
The valve guide bosses are smaller on these early castings and flow a lot better. This is an early head casting no. This head casting has not been modified except for the fitting of valve seats for use with unleaded gas petrol.
Fitted with new standard size valves, seals, guides and lead free seats recently and just checked for cracks and machined for flatness. 1 and is very accurately cast and even has production numbers stamped on it. A rebuilt 12G940 cylinder head for a BC Leland 1275 engine.