
( Brand: Ultima ), ( Type: Forward Controls ), ( Manufacturer Part Number: 47-540 ), ( Material: Aluminum ), ( Finish: Polished ), ( Placement On Vehicle: Left )
Review ULTIMA Polished Billet 5/8 Inch Bore Forward Controls Harley Big fits TWIN 1936–1999
Introducing the Ultima 47-540 Billet 5/8 Forward Big Twin Cylinder Head for Harley-Davidson motorcycles, a high-performance upgrade for your Big Twin engine from 1936 to 1999. This billet cylinder head is a masterpiece of engineering and design, offering significant power gains while maintaining the classic Harley-Davidson look.
The Ultima 47-540 Billet Cylinder Head is meticulously crafted from solid billet aluminum using state-of-the-art CNC machining technology. This manufacturing process ensures a perfect fit, exceptional strength, and unparalleled durability. The billet design not only enhances the visual appeal of your engine but also provides superior heat dissipation, allowing for more consistent power delivery.
This cylinder head comes with large 47mm throttle bodies, which offer a significant improvement in airflow compared to the stock 38mm or 40mm throttle bodies. The large throttle bodies are accompanied by high-performance intake manifolds, designed to optimize airflow and fuel delivery for maximum power gains.
The Ultima 47-540 Billet Cylinder Head is also equipped with a high-performance combustion chamber design, allowing for a larger exhaust valve and a more efficient combustion process. This results in increased power output and improved engine efficiency.
Additionally, this cylinder head features a high-performance valvetrain system, including oversized 1.92-inch intake and 1.60-inch exhaust valves. The valves are made from high-strength, heat-resistant material to ensure optimal performance under extreme conditions. The cylinder head also includes adjustable pushrods and rocker arms, allowing for fine-tuning to achieve optimal engine performance.
The Ultima 47-540 Billet Cylinder Head is designed to bolt directly onto your existing Harley-Davidson Big Twin engine without the need for any major modifications. It is compatible with various ignition systems, including points, electronic, and magnetic pickup. It also comes with a set of gaskets and hardware for a hassle-free installation process.
Upgrading to the Ultima 47-540 Billet 5/8 Forward Big Twin Cylinder Head is an investment in the performance and longevity of your Harley-Davidson motorcycle. With its impressive power gains, superior heat dissipation, and classic Harley-Davidson appearance, this cylinder head is the ultimate upgrade for any enthusiast seeking to unlock the full potential of their Big Twin engine.
Buying a Harley-Davidson Big Twin engine, specifically a 47-540 billet 5/8 forward, can be an exciting investment for motorcycle enthusiasts. This engine is known for its powerful performance and distinctive Harley-Davidson sound. However, like any significant purchase, it's important to consider both the advantages and disadvantages before making the decision.
Advantages of buying a Harley-Davidson 47-540 billet 5/8 forward Big Twin engine:1. Power and Torque: The Big Twin engine is famous for its impressive power and torque, making it an excellent choice for those seeking a more robust riding experience.
2. Distinctive Sound: The engine's unique exhaust note is one of the most recognizable sounds in the motorcycle world.
3. Authenticity: Harley-Davidson engines are iconic and represent a significant part of motorcycle history.
4. Customizability: Billet engines are often highly customizable, allowing riders to personalize their engines to suit their preferences.
5. Durability: Harley-Davidson engines have a reputation for being robust and long-lasting.
Disadvantages of buying a Harley-Davidson 47-540 billet 5/8 forward Big Twin engine:1. Cost: Harley-Davidson engines, especially high-performance ones like the Big Twin, can be quite expensive.
2. Complexity: Installing and maintaining a Big Twin engine can be a complex process, requiring specialized knowledge and tools.
3. Weight: The Big Twin engine is heavier than some other engine options, which could impact handling and fuel efficiency.
4. Noise: The distinctive Harley-Davidson exhaust note may not be to everyone's taste, and the noise level could be a concern for some riders.
5. Limited Compatibility: The engine may not be compatible with all motorcycle models or frames, limiting the number of applications.
In conclusion, a Harley-Davidson 47-540 billet 5/8 forward Big Twin engine offers a unique riding experience with impressive power and torque, a distinctively recognizable sound, and the opportunity for customization. However, it also comes with a high cost, complexity, weight, noise level, and limited compatibility.
If you're an avid Harley-Davidson enthusiast, value the engine's power and authenticity, and have the necessary resources to install, maintain, and accommodate the engine's weight and noise level, then a Harley-Davidson 47-540 billet 5/8 forward Big Twin engine could be an excellent investment. On the other hand, if you're on a budget, prioritize ease of installation and maintenance, or prefer a quieter, lighter engine, then this engine may not be the best choice for you.
part # 47540 price
- $173.59
specifications pegponcho:
- for models: Twin
- for makes: Harley
- for years: 1936-1999
- brand: Ultima
- type: Forward Controls
- manufacturer part number: 47-540
- material: Aluminum
- finish: Polished
- placement on vehicle: Left
shipping pegponcho:
- service: USPS Priority Mail
- transit: 7-13 Days
- cost: $15.13
- type: Calculated
- class: Expedited
- carrier: USPS
general pegponcho:
- condition: New other see details
- Motorcycle Scooter Parts Accessories > Foot Controls, Pedals Pegs > Footrests, Foot Pegs Pedal Pads
payments pegponcho:
- credit card: Visa
- other
- wallet: Apple-pay
offer pegponcho:
- started: August 29, 2025
- best offers: True
- sold: 0
- quantity: 1
- options: Ship-to-home
- availability: In Stock
seller pegponcho:
- rating: 100.0%
- # reviews: 67
returns pegponcho:
- policy: No Returns
