Mikuni Air Box Adapter Kit - Standard Finish - Harley & Indian V-Twin
About Mikuni
Mikuni has supplied carburetors and fuel-system components to the motorcycle industry for decades, and its HSR series remains a common choice for carbureted Evolution and Twin Cam V-twins where a clean, tunable fuel curve matters more than electronics.
The Mikuni Air Box Adapter Kit in a standard finish provides a crucial link between Mikuni carburetors and factory air boxes on V-twin motorcycles. Its molded construction is engineered to maintain clean intake flow and preserve OEM air filtration. This adapter is an essential component for a seamless and efficient intake system upgrade.
Why riders pick this
- Molded construction for precise fitment
- Connects Mikuni carbs to OEM air boxes
- Maintains clean intake flow
- Preserves factory air filtration
- Lightweight and durable design
Ensure a perfect fit and optimal airflow when pairing your Mikuni carburetor with a factory air box on your V-twin motorcycle using the Mikuni Air Box Adapter Kit. This molded adapter is designed to precisely bridge the gap, maintaining the integrity of your intake system and preserving the benefits of your OEM air filtration. It's a fundamental part of any performance upgrade that involves an aftermarket carburetor, ensuring your engine breathes correctly.
Seamless Intake Integration
- Molded adapter construction for a precise fit
- Connects Mikuni carburetors to OEM factory air boxes
- Engineered to maintain clean and efficient intake flow
- Preserves original equipment air filtration capabilities
Optimize Your Carbureted Intake
The Mikuni Air Box Adapter Kit is vital for riders who want to install a Mikuni carburetor while retaining their stock air box setup on a Harley or Indian V-twin. This adapter ensures that all air entering the carburetor is properly filtered, preventing debris from reaching the engine. It's a practical and durable solution for maintaining a clean and high-performing intake system without extensive modifications.
Specifications
- Brand: Mikuni
- Manufacturer Part #: FHS42/001-K
- Length: 5.7 in
- Width: 3.5 in
- Height: 0.5 in
- Weight: 0.25 lbs
- Country of Origin: Japan
Common questions
Will this adapter fit my stock air box?
Yes, this Mikuni Air Box Adapter Kit is specifically designed to connect Mikuni carburetors to OEM factory air boxes while preserving original equipment air filtration.
What size carburetors is this adapter designed for?
This adapter is engineered for standard Mikuni carburetors. We recommend verifying your specific carburetor size against the product documentation or your bike's manual before ordering to ensure compatibility.
Is installation difficult for this adapter?
Installation varies depending on your specific bike model and existing setup. While designed for a straightforward connection, some installations may require minor adjustments. Consult your carburetor and air box manuals for detailed instructions.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Mikuni |
| TYPE | Intake/Carb/Fuel System |
| SKU | 14-2012 |
| WEIGHT | 0.25 lb |