K&N E-3333 High-Flow RK Series Air Filter - Teardrop / Custom Assembly Fit

Vehicle Fitment

• Compatible with RK-Series custom air-cleaner assemblies for select motorcycle and custom applications

Fitment Notes

• Only intended for use with RK-Series air cleaner housings - verify compatibility before ordering
• Not a universal round airbox element - ensure the air cleaner assembly matches RK-Series specifications

Features

• Washable and reusable high-flow cotton-gauze filter media for long-term use
• Pre-oiled and ready to install out of the box
• Improves airflow for enhanced throttle response and acceleration
• Durable, flexible frame for reliable sealing and easy installation
• High-efficiency filtration protecting engine from dust and contaminants
• Reduces restriction compared to stock paper elements when used in proper custom housings
• Designed to work with carbureted and fuel-injected engines
• Long-life, reusable design reduces replacement frequency

Specifications

• Filter Shape: Teardrop / RK-Series design
• Outside Length: 9.688 in (246 mm)
• Outside Width: 6.25 in (159 mm)
• Height: 2.188 in (56 mm)
• Filter Media: Cotton gauze, washable and reusable
• Filter Oil Included: Yes - ~0.49 oz (14 ml) re-oil amount
• Washable: Yes
• Weight: ~0.9 lb (0.4 kg)
• Position: Custom air-cleaner intake (RK-Series housing)

Included Components

• 1x K&N E-3333 Air Filter Element

Product Description

The K&N E-3333 is a high-flow, washable air filter designed for use with RK-Series custom air-cleaner assemblies. Its layered cotton-gauze media allows increased airflow while still protecting the engine from dust and contaminants. The filter is pre-oiled and ready to install, providing a long-lasting, reusable performance solution.

With its teardrop design and durable frame, the E-3333 enhances throttle response and reduces restriction when installed in compatible RK-Series housings. It works for both carbureted and fuel-injected engines, delivering improved engine performance without the need for frequent replacements.

Before purchasing, verify that your air cleaner assembly is compatible with the filter's 9.688" x 6.25" x 2.188" dimensions. Ideal for motorcycle enthusiasts or custom builders seeking a reliable, performance-oriented, reusable air filter.