fits model: 400.

( Brand: Ultima ), ( Manufacturer Part Number: 93-954 ), ( Part Type: Cylinder Head Engine ), ( Placement On Vehicle: Front ), ( Surface Finish: Black )
The 93-940 Ultima 4.400 Cylinder Head Set is an upgraded engine component designed specifically for high-performance applications. This set includes a pair of 4.400-inch bore cylinder heads, each crafted from high-quality aluminum alloy for optimal strength and weight reduction.
The cylinder heads feature four valves per cylinder, with 2.000-inch intake and 1.600-inch exhaust valves, ensuring optimal air and fuel intake and exhaust for improved engine performance. The combustion chambers are designed for superior combustion efficiency, while the multi-angle valve seats help reduce valve seat recession and improve valve sealing.
The cylinder heads are equipped with CNC-machined ports for precise airflow and optimal engine performance. Additionally, they come with 3/8-inch NPT spark plug holes and 1.250-inch NPT oil passages for easy installation and maintenance.
The 93-940 Ultima 4.400 Cylinder Head Set is designed to fit engines with part numbers 93-954 and 93-955. It's an ideal upgrade for those looking to improve their engine's performance, with its enhanced airflow, improved combustion efficiency, and durable construction.
Pros of buying 93-954 Ultima 4.400 cylinder head set engines 93-955:1. High performance: These engines are known for their power and torque, making them suitable for high-performance applications.
2. Durability: The 4.400 cylinder head set is designed to withstand heavy use, ensuring longevity and reliability.
3. Easy to install: The engines are usually well-designed and easy to install, which can save time and money on installation costs.
4. Availability: These engines are widely available in the aftermarket, making it easy to find replacement parts and services.
Cons of buying 93-954 Ultima 4.400 cylinder head set engines 93-955:1. Expensive: These engines are generally more expensive than standard engines, which may make them a less affordable option for some buyers.
2. Maintenance: The high-performance engines require more frequent maintenance, which can be costly in the long run.
3. Fuel consumption: The engines may consume more fuel than standard engines, which can lead to higher operating costs.
4. Noise and vibration: The engines may produce more noise and vibration, which can be uncomfortable for some drivers.
Conclusion:The 93-954 Ultima 4.400 cylinder head set engines 93-955 are a great option for those looking for high-performance engines that are durable and reliable. However, the high cost and maintenance requirements should be considered before making a purchase. If the added performance and reliability are worth the additional cost and maintenance, then these engines can be a great choice.
Recommendation:If you are looking for a high-performance engine, the 93-954 Ultima 4.400 cylinder head set engines 93-955 are a solid choice. However, make sure to factor in the additional cost and maintenance requirements before making a purchase. It may be worth exploring other options if the added performance is not necessary or if the cost and maintenance are prohibitive.
If you see multiple items would like to purchase can receive free shipping the order goes over thicker than a stock casting correct valve train geometry. Our heads feature:30 more fin area for cooler running engines.
Note 1:Ultima cylinder heads require a special length intake manifold which are approximately. Manganese bronze guides.
14mm spark plugs.
Warning: serious injury, death, and property damage can result from the improper use, control, alteration, or maintenance of motorcycles. Compression release valves included exhaust valve 28deg.
Ultima black complete 4.
Sold as set bore cylinder head for Ultima engines part 955fits: 140 evolution. These cylinder heads offer builders great value and excellent performance. These heads also have larger intake opening requiring a 1.
Completely assembled front head. Intake valve 25deg.
Includes valves, springs, collars, compression release. High silicon valve springs with chorally retainers shorter per leg than a stock length manifold.
Ultima manifolds are available to fit only and will both our 100 Ci 113 engines.