BMC Performance Air Filter FM639/12 for Harley Davidson Rough Crafts & 4 Inch Air Cleaners | Washable High Flow Replacement Filter

Product Description:

Upgrade your Harley-Davidson's intake system with the BMC FM639/12 Performance Air Filter, engineered as a direct replacement filter for Rough Crafts, Joker Machine, and other compatible 4-inch air cleaner systems. Designed to maximize airflow and filtration efficiency, this premium performance filter helps improve engine breathing, throttle response, and overall riding performance.

🏍️ Specifically developed for Rough Crafts Air Cleaners, Joker Machine Air Cleaners, and other compatible 4-inch aftermarket air cleaner assemblies, this high-performance filter ensures optimal airflow while protecting the engine from harmful contaminants.

🔥 Manufactured using BMC's exclusive Full Moulding Technology, the characteristic red filter is produced from a single mold without welded joints, delivering exceptional strength, durability, and reliability under demanding riding conditions.

⚡ The filter media features multi-layered cotton gauze soaked in low-viscosity oil and protected by an epoxy-coated alloy mesh, providing outstanding filtration performance while maintaining unrestricted airflow.

🔄 Fully washable and reusable, the FM639/12 can be cleaned and regenerated using the BMC regeneration kit, making it a cost-effective and environmentally friendly alternative to disposable filters.

✨ Whether you're cruising, touring, or building a custom Harley-Davidson, the BMC FM639/12 Air Filter helps maximize airflow and engine efficiency while maintaining excellent filtration performance.

Product Features:

🔴 Direct replacement for Rough Crafts 4-inch air cleaner systems

🔴 Compatible with Joker Machine and other 4-inch air cleaners

🔴 High-flow design improves engine breathing

🔴 Delivers higher airflow than conventional paper filters

🔴 Multi-layer oiled cotton gauze filtration technology

🔴 Manufactured using BMC Full Moulding Technology

🔴 Single-piece construction without welded joints

🔴 Epoxy-coated alloy mesh for enhanced durability

🔴 Resistant to fuel vapors, humidity, and oxidation

🔴 Washable and reusable design

🔴 Can be regenerated using BMC cleaning kits

🔴 No modifications required for installation

🔴 Designed and engineered in Italy

🔴 Suitable for demanding riding conditions

🔴 Improves throttle response and engine performance

🔴 Long service life with consistent filtration efficiency

🔴 Ideal for custom Harley-Davidson air cleaner setups