ALUMINUM BACKING PLATE FEATURES: TWIN CAM/SPORTSTER/EVOLUTION ENGINES
- One-piece aluminum backing plate
- Features our patented hidden breather technology, each breather is o-ringed at the heads and exits at the mouth of the throttle body. This creates a virtually closed look system which eliminates the need for any external hoses or hardware
- Smooth radius air inlet engineered to provide unobstructed airflow directly into the engine
- Chrome finish
SMOOTH STAGE 1 AIR CLEANER COVER
- Smooth Stage 1 cover features a clean universal design stamped with the Arlen Ness logo
- Made from high quality steel
- Chrome finish
PERFORMANCE AIR FILTERS: TWIN CAM/SPORTSTER/EVOLUTION ENGINES
- Each Big Sucker performance filter is handmade in the USA
- Available in red pre-oiled cotton or synthetic filter media
- Standard red pre-oiled cotton performance filters are made from 4 layers of surgical grade cotton for optimum flow & filtration
- Synthetics performance filters are made from a black synthetic filter element that is wrapped in a stainless steel jacket. Synthetic filters are water resistant and do not require oil
- All Stage 1 air filters are washable/re-usable, filter tune-up kits are available separately
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