Solid Series Brass Air Cleaner – High‑Flow Intake for Harley Sportster
The Solid Series Brass Air Cleaner blends raw, all-metal craftsmanship with performance-focused design. Machined from solid brass with an aluminum backing plate and spacers, this intake system not only looks rugged—it delivers serious airflow. The included KM‑378R reusable filter cleans effortlessly, making it a lifetime companion for your Sportster build.
Designed for riders who want clean styling and fresh throttle response, this intake bolts on with no hoses required. Perfect for CV carburetor setups, it keeps things simple, functional, and visually bold. Whether you're cruising the strip on an Iron 883 or customizing a 1200, the Solid Series delivers comfort and clarity in both form and function.
Specifications:
Finish: Solid brass cover with natural patina
Dimensions: 4.25″ diameter × 2.5″ depth
Filter: KM‑378R washable/reusable high-flow element
Backing Plate & Spacers: Anodized aluminum, precision machined
Wiring/Breathing: No breather hoses needed—clean crankcase ventilation through filter
Mounting: Bolt-on kit with all hardware & gaskets included
Material: 100% solid brass & aluminum
Origin: Made in the USA
The Solid Series Brass Air Cleaner blends raw, all-metal craftsmanship with performance-focused design. Machined from solid brass with an aluminum backing plate and spacers, this intake system not only looks rugged—it delivers serious airflow. The included KM‑378R reusable filter cleans effortlessly, making it a lifetime companion for your Sportster build.
Designed for riders who want clean styling and fresh throttle response, this intake bolts on with no hoses required. Perfect for CV carburetor setups, it keeps things simple, functional, and visually bold. Whether you're cruising the strip on an Iron 883 or customizing a 1200, the Solid Series delivers comfort and clarity in both form and function.
Specifications:
Finish: Solid brass cover with natural patina
Dimensions: 4.25″ diameter × 2.5″ depth
Filter: KM‑378R washable/reusable high-flow element
Backing Plate & Spacers: Anodized aluminum, precision machined
Wiring/Breathing: No breather hoses needed—clean crankcase ventilation through filter
Mounting: Bolt-on kit with all hardware & gaskets included
Material: 100% solid brass & aluminum
Origin: Made in the USA
The Solid Series Brass Air Cleaner blends raw, all-metal craftsmanship with performance-focused design. Machined from solid brass with an aluminum backing plate and spacers, this intake system not only looks rugged—it delivers serious airflow. The included KM‑378R reusable filter cleans effortlessly, making it a lifetime companion for your Sportster build.
Designed for riders who want clean styling and fresh throttle response, this intake bolts on with no hoses required. Perfect for CV carburetor setups, it keeps things simple, functional, and visually bold. Whether you're cruising the strip on an Iron 883 or customizing a 1200, the Solid Series delivers comfort and clarity in both form and function.
Specifications:
Finish: Solid brass cover with natural patina
Dimensions: 4.25″ diameter × 2.5″ depth
Filter: KM‑378R washable/reusable high-flow element
Backing Plate & Spacers: Anodized aluminum, precision machined
Wiring/Breathing: No breather hoses needed—clean crankcase ventilation through filter
Mounting: Bolt-on kit with all hardware & gaskets included
Material: 100% solid brass & aluminum
Origin: Made in the USA
Fitment:
Compatible with all Harley Davidson Sportster models from 2004–present, plus older CV-carbureted Sportsters.
Works seamlessly with both stock and aftermarket backplates.
No breather cables needed—this intake handles crankcase venting internally.
Carb-specific design ensures proper fit on CV-equipped bikes.
Why Choose the Solid Series Brass Air Cleaner?
High‑flow performance: Enhances throttle response with improved airflow
Reusable filter: KM‑378R element is washable for long-term savings
All-metal durability: Solid brass cover and aluminum backing resist wear and corrosion
Clean installation: Bolt-on fit, no hoses or external breather hardware
Custom style: Bold brass finish adds rugged flair to any Sportster build
Made in America: Crafted in-house by Kinetic Motorcycles for quality and reliability
CV-carb ready: Designed specifically for carbureted Sportsters, yet fits EFI models with ease
FAQs:
Q: Will this fit my Sportster?
A: Yes—it’s compatible with all 2004–present Sportster models, both carbureted and EFI CV-equipped.
Q: Do I need a breather hose?
A: No. The Solid Series Brass Air Cleaner routes crankcase ventilation through its filter—no external hoses needed.
Q: How often do I need to clean the filter?
A: For best results, wash and re-oil the KM‑378R element every 5,000–10,000 miles, depending on riding conditions.
Q: Is installation difficult?
A: Not at all. It’s a full bolt-on kit with gaskets and hardware. Minimal tools and mechanical experience are all that’s required.
Q: Can I use this on an EFI bike?
A: Absolutely. While designed for CV-carbureted models, it upgrades airflow on EFI Sportsters too—just ensure proper tuning if needed.