Air Filter Rk 3931 Replacement Rk Series Kits
Air Filter Rk 3931 Replacement Rk Series Kits
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K&N's RK Series Air Cleaner Assemblies are designed to get more horsepower from your Harley-Davison motorcycle. These air cleaner assemblies replace the stock air filter and backplate with an oversized K&N Air Filter and custom aluminum backing plate. K&N's RK Series Air Cleaner Assemblies are designed to give you an increase in power and long service intervals critical for distance rides. This complete assembly fits inside the OE air cleaner cover maintaining stock appearance, while providing outstanding airflow.
Features:
- Developed around an oversized K&N High-Flow Air Filter that is designed to boost performance, filtration and service intervals
- Dyno-tuned velocity stack directs airflow to engine
- Aluminum backing plate provides solid mounting surface
- Built-in breathers replace external OE breathers
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.
