fits model: 900, Monster. make: Ducati. year: 1991–1998.

( Manufacturer Part Number: 900SS/SP ), ( Part Type: Valve Cylinder Head )
The 1991-1998 Ducati 900SS/SP and 900 Monster Big Valve Cylinder Heads are a testament to the Italian manufacturer's engineering prowess and commitment to performance. These cylinder heads are an essential upgrade for any Ducati enthusiast seeking to enhance the power and character of their beloved motorcycle.
The Big Valve cylinder heads are distinguished by their increased intake and exhaust valve sizes, which significantly improve air and fuel intake and exhaust gas expulsion. This results in more efficient combustion, increased power output, and a more responsive engine. The cylinder heads are machined to exacting standards, ensuring optimal engine performance and longevity.
The Big Valve cylinder heads are also characterized by their unique design features. The intake ports are shaped to provide a smooth and efficient airflow into the combustion chambers, while the exhaust ports have been optimized to minimize backpressure and promote a quick exhaust stroke. The cylinder heads are also equipped with adjustable valve clearance, allowing for fine-tuning of the engine for optimal performance.
Installing the Big Valve cylinder heads on your 1991-1998 Ducati 900SS/SP or 900 Monster is a straightforward process, but it does require some mechanical skills and the appropriate tools. The cylinder heads are available as a complete kit, which includes all necessary hardware and instructions for installation.
In conclusion, the 1991-1998 Ducati 900SS/SP and 900 Monster Big Valve Cylinder Heads are a significant upgrade for any Ducati enthusiast seeking to enhance their motorcycle's performance. With their larger valves, optimized intake and exhaust ports, and adjustable valve clearance, these cylinder heads provide increased power, improved engine response, and a more exhilarating riding experience.
Pros of buying a 1991-1998 Ducati 900SS/SP or 900 Monster with big valve cylinder heads:1. Power and Performance: The big valve cylinder heads on these bikes increase the engine's breathing capacity, resulting in more power and improved performance.
2. Iconic Design: Ducati's classic 900 series is highly regarded for its design, which is still considered timeless and attractive today.
3. Rare and Collectible: Due to their age, these bikes are becoming increasingly rare, making them a great choice for collectors.
4. Affordable Prices: The older models are generally more affordable than their newer counterparts, making them an accessible option for many enthusiasts.
Cons of buying a 1991-1998 Ducati 900SS/SP or 900 Monster with big valve cylinder heads:1. Maintenance and Repairs: These bikes are older and may require more regular maintenance and repairs than newer models.
2. Parts Availability: While some parts are still available, others may be difficult to find, which could lead to delays and higher costs for repairs.
3. Performance Issues: Some older bikes may have issues with reliability and performance, especially if they haven't been properly maintained.
Conclusion:If you are an experienced motorcycle enthusiast with a passion for classic Ducatis, a 1991-1998 900SS/SP or 900 Monster with big valve cylinder heads could be a great choice for you. The increased power and performance, along with the bike's iconic design and collectible status, make it an attractive option. However, it's important to be aware of the potential maintenance and repair costs, as well as the availability of parts. It's recommended to thoroughly research the bike's history and condition before making a purchase, and to have a mechanic inspect it to ensure it's in good working order.
Recommendation:If you decide to purchase a 1991-1998 Ducati 900SS/SP or 900 Monster with big valve cylinder heads, make sure to set aside a budget for maintenance and repairs. Additionally, consider joining a Ducati enthusiast group or forum to connect with other owners and learn from their experiences. Taking good care of the bike and keeping up with regular maintenance will help ensure that it remains reliable and enjoyable to ride for years to come.
Both heads have 43mm intake valves and 38mm exhaust. These are new, I never mounted them. This offer is for a pair of new, never installed Ducati 900SS sp 900 Monster big valve cylinder heads. They come with everything you see in the pictures.
The horizontal head includes both valve covers, vertical does not come with covers. These cylinder heads are complete. I never got around to using them on a project. The horizontal head is stamped v1 and vertical v.