Arlen Ness
Arlen Ness, Stage 1 Big Sucker air cleaner kit. OEM cover
Arlen Ness, Stage 1 Big Sucker air cleaner kit. OEM cover
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Chrome plated one-piece aluminum backing plate. Used with OEM air cleaner cover with single central bolt; Ness Stage 1 air cleaner cover or custom cover with central mount bolt and minimum 6-1/4" (159mm) diameter. The Big Sucker™ Stage I performance intake adds horsepower and torque. The patent-pending hidden breather system is O-ringed at the heads; passes through the backing plate and exits inside the mouth of the throttle body through proprietary shooter tubes.- Without cover - Takes all Arlen Ness Stage 1 air cleaner covers - Takes a custom round air cleaner cover with central mount hole; minimum 6-1/4" (159mm) diameter - Increases horsepower; torque and mileage- With black pre-oiled air cleaner element - Aluminum filter top plate design eliminates internal mounting hardware.
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Why buy from Forty5°
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Verified compatibility
Every part we ship is checked against your bike's platform, year, and engine. If it doesn't fit, we tell you before you check out.
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Workshop installation
Book a serviceHave us fit it. Book installation at parts intake — same-day on most jobs, master techs only.
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Founder-led aftersales
Get in touchQuestions after fitment? You'll speak to the people who installed it. We answer email and WhatsApp seven days a week.