Fits ’16-’17 FXDLS and Softail® and ’08-’16 Touring and Trike models with Original Equipment 50mm Throttle Body. All models require ECM calibration for proper installation. ’17 models require recalibration with Screamin’ Eagle® Pro Street Tuner (sold separately).

Forged billet aluminum cover tops off a cast back plate with integral breather for a smooth transition to the throttle body.

• Agitator style, Cut Back Black finish
• Engineered to flow high volumes of air
• Washable pleated element provides the ideal combination of efficiency and engine protection
• Easy to install
• EFI-equipped models require ECM calibration
• Kit includes all mounting hardware

Harley-Davidson SCREAMIN’ EAGLE AGITATOR BILLET AIR CLEANER 29400063 KIT

The Screamin’ Eagle Agitator Billet Air Cleaner Kit (Part # 29400063) is a premium performance intake designed by Harley-Davidson to elevate both the airflow capability and aesthetic appeal of select Milwaukee-Eight and Twin Cam motorcycles. Engineered as part of the Screamin’ Eagle Extreme Billet series, this kit blends high-quality materials, functional performance enhancements, and race-inspired styling to offer a well-rounded Stage I upgrade for riders who want more power and a standout custom look. (House-of-Flames Harley-Davidson) Harley-Davidson SCREAMIN’ EAGLE AGITATOR BILLET AIR CLEANER 29400063 KIT

At the heart of the kit is a forged billet aluminum cover, chosen not just for its robust durability but also for its precision machining and visual impact. The billet cover mounts atop a cast back plate with an integral breather, forming a smooth, uninterrupted path for incoming air. This design helps minimize turbulence and resistance, allowing the engine to ingest a greater volume of air compared to a factory air cleaner — an essential factor in improving throttle responsiveness and overall engine performance. (House-of-Flames Harley-Davidson) Harley-Davidson SCREAMIN’ EAGLE AGITATOR BILLET AIR CLEANER 29400063 KIT

Complementing the high-quality cover and back plate is a washable pleated filter element. This filter strikes a balance between increased airflow and engine protection, using tightly arranged pleats to catch debris while still letting plenty of air pass through. Because the element is washable and reusable, it can be cleaned and re-oiled regularly, reducing long-term maintenance costs and preserving peak performance over time. (Southern Legends Harley-Davidson) Harley-Davidson SCREAMIN’ EAGLE AGITATOR BILLET AIR CLEANER 29400063 KIT

One of the defining characteristics of the Agitator kit, particularly in the 29400063 version, is its Cut Back Gloss Black finish, which gives the bike a stealthy, performance-ready appearance that pairs particularly well with dark engine components or custom finishes. Other finishes and styles in the Extreme Billet line offer different looks, but the Cut Back Gloss Black option emphasizes a muscular, aggressive presence on the bike. (Harley Davidson Siebla) Harley-Davidson SCREAMIN’ EAGLE AGITATOR BILLET AIR CLEANER 29400063 KIT

Installation is intended to be straightforward, with the kit including all mounting hardware and a rain sock to protect the exposed filter from moisture and debris in wet conditions. However, because this air cleaner significantly increases airflow compared to the stock unit, all EFI-equipped models require an ECM recalibration after installation. For 2017 and later models, recalibration using the Screamin’ Eagle Pro Street Tuner (sold separately) ensures the air-fuel ratio remains optimal, improving performance while avoiding lean or rich running conditions. (House-of-Flames Harley-Davidson) Harley-Davidson SCREAMIN’ EAGLE AGITATOR BILLET AIR CLEANER 29400063 KIT

Fitment for the 29400063 kit covers a broad range of models: from ’16-’17 FXDLS and Softail® bikes to ’08-’16 Touring and Trike models equipped with the original 50 mm throttle body. Riders should verify fitment for their specific bike before purchasing. (House-of-Flames Harley-Davidson) Harley-Davidson SCREAMIN’ EAGLE AGITATOR BILLET AIR CLEANER 29400063 KIT

In summary, the Screamin’ Eagle Agitator Billet Air Cleaner Kit 29400063 offers a combination of performance-oriented airflow improvements, durable and high-end materials, and bold styling. It’s a strong choice for riders seeking a direct replacement intake that enhances both the look and function of their Harley-Davidson machine, particularly as part of a Stage I performance upgrade when paired with appropriate tuning. (Southern Legends Harley-Davidson) Harley-Davidson SCREAMIN’ EAGLE AGITATOR BILLET AIR CLEANER 29400063 KIT