So you’re in the market for a new cam for your motorcycle, huh? Well, you’ve come to the right place. Today we’re going to compare the S&S 475 and the S&S 550 cams to help you make the best decision for your ride. These two cams are both popular choices among motorcycle enthusiasts, but they have some key differences that you’ll want to know about before making your purchase.
First off, let’s talk about the S&S 475 cam. This cam is known for its smooth and steady power delivery. It’s great for riders who want a reliable cam that will give them a nice boost in performance without sacrificing too much in terms of fuel efficiency. The 475 cam is particularly well-suited for riders who do a lot of highway riding or long-distance touring.
On the other hand, the S&S 550 cam is for those who crave a bit more power. This cam is designed for riders who want to unleash the full potential of their motorcycle. With its aggressive profile and increased lift and duration, the 550 cam will give you that extra kick you’ve been looking for. However, keep in mind that this increased performance does come with a trade-off in fuel efficiency.
In conclusion, whether you go with the S&S 475 or the S&S 550 cam, you’re sure to see an improvement in your motorcycle’s performance. It all comes down to your personal preferences and riding style. If you’re looking for a smooth and reliable ride, the 475 cam might be the better choice for you. But if you’re after that extra power and excitement, the 550 cam is definitely worth considering. So stay tuned for our in-depth article on these two cams, where we’ll dive deeper into the specs and give you all the details you need to make an informed decision.
Overview
What is S&S 475 cam?
The S&S 475 cam is a performance camshaft designed for motorcycles. It is specifically engineered by S&S Cycle, a renowned manufacturer of high-quality motorcycle parts, including camshafts. The S&S 475 cam is known for its ability to enhance the power and torque output of a motorcycle’s engine.
What is S&S 550 cam?
The S&S 550 cam, also manufactured by S&S Cycle, is another high-performance camshaft option for motorcycles. Like the S&S 475 cam, it is designed to optimize engine performance and improve power and torque delivery. The S&S 550 cam is known for its unique characteristics and impressive performance gains.
Specifications
S&S 475 cam specifications
- Valve lift: 0.475 inches
- Duration: 236 degrees
- Designed for: Harley-Davidson Twin Cam engines
- Compatible with: 1999-2017 Twin Cam engines
- Type: Bolt-in camshaft
S&S 550 cam specifications
- Valve lift: 0.550 inches
- Duration: 246 degrees
- Designed for: Harley-Davidson Twin Cam engines
- Compatible with: 1999-2017 Twin Cam engines
- Type: Bolt-in camshaft
Performance
Power output with S&S 475 cam
The S&S 475 cam offers a significant increase in power output compared to the stock camshaft. With its higher lift and longer duration, it allows better airflow through the engine, resulting in improved combustion and more power. Riders who choose the S&S 475 cam can experience a noticeable boost in acceleration and overall performance.
Power output with S&S 550 cam
The S&S 550 cam takes performance to the next level. With its greater valve lift and longer duration, it pushes even more air into the engine, leading to a substantial increase in power output. This camshaft is specifically designed for riders who demand maximum performance from their motorcycle and want to unleash its full potential.
Torque characteristics with S&S 475 cam
The S&S 475 cam offers improved torque characteristics, particularly in the low to mid-range RPMs. This means that riders can expect enhanced throttle response and better pulling power during cruising and city riding. The S&S 475 cam provides a torque curve that is ideal for riders who prioritize street performance and daily commuting.
Torque characteristics with S&S 550 cam
With the S&S 550 cam, riders can experience a significant improvement in torque throughout the entire RPM range. The increased valve lift and longer duration allow for better cylinder filling and combustion efficiency, resulting in a strong torque curve that is well-suited for aggressive riding and high-performance applications.
Installation
Preparation for S&S 475 cam installation
Before installing the S&S 475 cam, it is crucial to gather all the necessary tools and equipment. Additionally, it is recommended to review the manufacturer’s installation instructions and ensure that the motorcycle’s engine is in good working condition. It is also important to have a clean and organized workspace to prevent any damage or loss of components during the installation process.
Step-by-step guide for S&S 475 cam installation
- Begin by removing any necessary components to access the camshaft, such as the air cleaner assembly, exhaust system, and timing cover.
- Use a camshaft installation tool to support the camshaft and prevent it from moving during the installation.
- Carefully remove the camshaft sprocket and camshaft plate, taking note of their position for reassembly.
- Install the new S&S 475 cam by aligning the timing marks on the camshaft sprocket and the crankshaft sprocket, ensuring they are properly indexed.
- Replace the camshaft plate and sprocket, torquing the bolts according to the manufacturer’s specifications.
- Double-check the timing marks and reassemble any components that were removed during the installation.
- Follow the manufacturer’s guidelines for adjusting the valve lash and checking the camshaft timing.
Preparation for S&S 550 cam installation
The preparation for installing the S&S 550 cam is similar to that of the S&S 475 cam. Ensure that you have all the necessary tools and equipment, review the manufacturer’s instructions, and make sure the engine is in good condition.
Step-by-step guide for S&S 550 cam installation
- Follow the same steps as outlined in the S&S 475 cam installation guide, adjusting the timing marks and replacing the components.
- Pay extra attention to the valve clearance and make any necessary adjustments to ensure proper valve operation.
- Check the camshaft timing again after installing the new S&S 550 cam.
- Reassemble the remaining components, following the manufacturer’s instructions and torque specifications.
Benefits
Advantages of using S&S 475 cam
- Increased power and torque output
- Improved throttle response and acceleration
- Better low to mid-range performance
- Compatible with a wide range of Harley-Davidson Twin Cam engines
- Easy installation with bolt-in design
Advantages of using S&S 550 cam
- Maximum power and torque gains
- Exceptional performance throughout the entire RPM range
- Enhanced acceleration and top-end performance
- Compatible with various Harley-Davidson Twin Cam engines
- Straightforward installation with bolt-in design
Improved engine performance with S&S 475 cam
Installing the S&S 475 cam can significantly enhance overall engine performance. With its optimized design and specifications, riders can expect improved power, torque, and throttle response. Whether cruising the streets or hitting the open road, the S&S 475 cam offers a noticeable improvement in the performance of a motorcycle’s engine.
Improved engine performance with S&S 550 cam
For riders seeking maximum performance, the S&S 550 cam is the ideal choice. Its aggressive profile and increased lift and duration provide a substantial increase in power and torque output. The S&S 550 cam is specifically designed for high-performance applications, ensuring an exhilarating riding experience.
Drawbacks
Limitations of S&S 475 cam
- The S&S 475 cam may not be ideal for riders seeking the highest level of performance and power gains.
- It may require additional modifications or upgrades to fully take advantage of its potential.
- The power gains may not be as significant as those offered by the S&S 550 cam.
Limitations of S&S 550 cam
- The S&S 550 cam may not be suitable for riders who prioritize low-end torque and smooth street performance.
- It may require additional modifications or upgrades to optimize its performance.
- The aggressive characteristics of the S&S 550 cam may result in reduced fuel efficiency.
Considerations before choosing between S&S 475 and 550 cam
Before deciding between the S&S 475 and 550 cam, it is important to consider your riding style, preferences, and specific requirements. If you primarily ride on the street and value low to mid-range power and smooth performance, the S&S 475 cam may be the better option. However, if you crave maximum power and aggressive performance, the S&S 550 cam is the ideal choice.
Comparison
Head-to-head comparison: S&S 475 vs 550 cam
In a head-to-head comparison, the S&S 550 cam outperforms the S&S 475 cam in terms of power and torque gains. The S&S 550 cam’s greater lift and longer duration provide a more aggressive profile, resulting in a substantial increase in overall performance. However, the S&S 475 cam offers a more balanced approach, with a focus on low to mid-range power and smooth street performance.
Key differences between S&S 475 and 550 cam
- Valve lift: The S&S 550 cam has a greater valve lift of 0.550 inches compared to the 0.475 inches of the S&S 475 cam.
- Duration: The S&S 550 cam has a longer duration of 246 degrees, while the S&S 475 cam has a duration of 236 degrees.
- Performance characteristics: The S&S 475 cam focuses on low to mid-range power and torque, while the S&S 550 cam offers maximum power and performance throughout the RPM range.
Real-world Reviews
Customer reviews of S&S 475 cam
- “I installed the S&S 475 cam on my Harley-Davidson and immediately felt the difference. The power output and throttle response are noticeably improved. It’s perfect for my daily commute.” – John R.
- “I wanted a camshaft that would enhance my low-end torque, and the S&S 475 cam delivered. I couldn’t be happier with the performance gains and the overall riding experience.” – Sarah L.
Customer reviews of S&S 550 cam
- “The S&S 550 cam transformed my bike into a beast! The power improvements are incredible, and the aggressive profile adds an extra level of excitement to every ride.” – Mike T.
- “I love pushing my bike to the limit, and the S&S 550 cam allows me to do just that. The top-end performance and acceleration are unmatched. Highly recommended for thrill-seeking riders.” – Emily S.
Expert opinions on S&S 475 vs 550 cam
- According to renowned motorcycle expert, Mark Johnson, “Both the S&S 475 and 550 cams are excellent choices for riders looking to upgrade their motorcycle’s performance. The S&S 475 cam offers a well-balanced approach, while the S&S 550 cam takes it to the next level with aggressive power gains. Choose based on your specific riding style and desired level of performance.”
Price and Availability
Cost of S&S 475 cam
The price of the S&S 475 cam typically ranges from $300 to $400, depending on the specific model and any additional accessories that may be required. It is important to check with authorized dealers or online retailers for the most accurate and up-to-date pricing information.
Cost of S&S 550 cam
The S&S 550 cam is usually priced between $400 and $500, depending on the model and any necessary accessories. Prices may vary, so it is advisable to check with authorized dealers or trusted online retailers for the most accurate pricing details.
Availability of S&S 475 and 550 cam
Both the S&S 475 and 550 cams are widely available from authorized S&S Cycle dealers and reputable online retailers. It is important to ensure that you purchase these camshafts from authorized sources to guarantee genuine products and warranties, if applicable.
Conclusion
Factors to consider when choosing between S&S 475 and 550 cam
When choosing between the S&S 475 and 550 cam, it is crucial to consider your riding style, preferences, and desired level of performance. If you prioritize low to mid-range power and a smooth street performance, the S&S 475 cam is a suitable choice. On the other hand, if you crave maximum power, aggressive performance, and top-end gains, the S&S 550 cam is the ideal option.
Final verdict on S&S 475 vs 550 cam
Both the S&S 475 and 550 cams are exceptional choices for riders who want to unlock the full potential of their motorcycles. The S&S 475 cam offers a balanced approach with improvements in power and torque, while the S&S 550 cam takes performance to a whole new level with its aggressive profile and impressive gains. Ultimately, the choice depends on your specific needs and desired level of performance.