K-AMP;AMP;N ENGINEERING K-amp RK-320B Ampn Nos Big Up Keihin Carb Amplifier Air Filter H/d

( Brand: K-amp;amp;n Engineering ), ( Manufacturer Part Number: RK-320B ), ( Type: Air Filter ), ( Features: Customized ), ( Vintage Part: Yes )

Review K-AMP;AMP;N ENGINEERING Ampn Nos Air Filter Harley davidson Big And Up H/d Keihin Carb fits TWINS 1976

Introducing the AMPN Engineering RK-320B NOs Air Filter, meticulously designed for Harley-Davidson Big Twins from the year 1976 and up, equipped with Keihin Carburetors. This high-performance air filter is an essential upgrade for your motorcycle's air intake system.

The RK-320B NOs Air Filter boasts a large, 320 square mm filter element that ensures an ample supply of clean air to the carburetor. Crafted from high-quality cotton gauze, this filter has an impressive filtration efficiency, trapping even the smallest particles while allowing clean air to pass through unobstructed.

This air filter features a unique, open-element design that allows for easy installation and removal. The filter can be accessed without the need to remove the carburetor, saving you valuable time and effort during maintenance.

The RK-320B NOs Air Filter is also designed with durability in mind. It is resistant to both moisture and oil, making it an excellent choice for riders who enjoy tackling various riding conditions. The filter element is held in place by a durable, reinforced rubber gasket that provides a tight seal, preventing unwanted air leaks.

Adding the AMPN Engineering RK-320B NOs Air Filter to your Harley-Davidson Big Twin is not only a performance upgrade but also an aesthetic one. The filter housing is finished in a sleek, gloss black powder coat that complements the classic look of your motorcycle.

In summary, the AMPN Engineering RK-320B NOs Air Filter is an essential upgrade for Harley-Davidson Big Twins with Keihin Carburetors from 1976 and up. It offers improved filtration efficiency, easy installation, durability, and a stylish appearance, making it a must-have for any serious motorcycle enthusiast.

Pros and Cons of Buying an AMPN Engineering RK-320B Air Filter for Harley-Davidson Big Twins (1976-Up) with Keihin Carburetor

The AMPN Engineering RK-320B air filter is a popular aftermarket option for Harley-Davidson Big Twin motorcycles (1976 and up) equipped with Keihin carburetors. This air filter is known for its high-performance design, but like any aftermarket part, it comes with its advantages and disadvantages. In this article, we will discuss the pros and cons of investing in an AMPN Engineering RK-320B air filter for your Harley-Davidson Big Twin.

1. Improved Air Flow: The RK-320B air filter is designed to provide increased air flow compared to the stock paper filter. This improved air flow translates to better engine performance, increased horsepower, and a smoother ride.

2. Durability: The RK-320B air filter is made of high-quality materials, including a washable and reusable filter element. This means that it can last much longer than a stock paper filter, saving you money in the long run.

3. Easy Installation: The AMPN Engineering RK-320B air filter is easy to install, and it uses the same mounting points as the stock filter. This makes it a convenient and hassle-free upgrade for Harley-Davidson Big Twin owners.

4. Enhanced Filtration: The RK-320B air filter offers enhanced filtration capabilities, ensuring that your engine is protected from dirt, dust, and other particles that can damage it.

5. Increased Fuel Economy: The improved air flow and better engine performance offered by the RK-320B air filter can lead to increased fuel economy, saving you money on gas.

1. Cost: The AMPN Engineering RK-320B air filter is more expensive than a stock paper filter. However, the increased performance, durability, and cost savings in the long run may justify the initial investment.

2. Requires Maintenance: While the RK-320B air filter is washable and reusable, it still requires regular maintenance. This means that you will need to clean or replace the filter element periodically to ensure optimal performance.

3. May Not Fit All Applications: The AMPN Engineering RK-320B air filter is designed for Harley-Davidson Big Twins (1976 and up) with Keihin carburetors. It may not fit other Harley-Davidson models or those with different carburetor configurations.

The AMPN Engineering RK-320B air filter offers several advantages for Harley-Davidson Big Twin owners, including improved air flow, durability, easy installation, enhanced filtration, and increased fuel economy. However, it also comes with some disadvantages, such as a higher cost and the need for regular maintenance. Ultimately, the decision to invest in an AMPN Engineering RK-320B air filter depends on your specific needs, budget, and riding style. If you value performance, durability, and cost savings in the long run, then the RK-320B air filter may be worth the investment.

If you are a Harley-Davidson Big Twin owner with a Keihin carburetor and you are looking for a high-performance air filter that offers improved filtration, enhanced durability, and better engine performance, then the AMPN Engineering RK-320B air filter is an excellent choice. Just keep in mind that it requires regular maintenance and has a higher cost compared to a stock paper filter. We recommend considering the benefits and drawbacks carefully before making a decision.

Details:

Manufactured by K N Engineering ensuring a perfect fit for your motorcycle. Packaging shows shelf wear but is intact with a couple tears to plastic. New old stock item here. With its high-quality materials and design, this air filter is a reliable choice to enhance the performance of your bikes intake system.

The NOS K N RK-320B Air Filter is a customized air filter designed specifically for Harley-Davidson Big Twins from 1976 and up, equipped with Keihin carb. Shipping lower 48 only.

specifications scoofilters:

• for models: Twins
• for makes: Harley, Davidson
• for years: 1976
• brand: K-amp;amp;n Engineering
• mpn: Rk-320b
• type: Air Filter
• features: Customized
• vintage part: Yes

shipping scoofilters:

• cost: $8.00
• carrier: USPS
• transit: 4-9 Days
• service: USPS Ground Advantage
• type: Fixed
• class: Standard

returns scoofilters:

• policy: No Returns

seller scoofilters:

• rating: 99.7%
• # reviews: 1756
• city: Gordon, Wisconsin

general scoofilters:

• condition: New
• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Air Filters

offer scoofilters:

• options: Ship-to-home
• started: June 8, 2025
• sold: 0
• availability: In Stock
• quantity: 1

payments scoofilters:

• wallet: Paypal
• credit card: Discover
• other

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