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Arlen Ness 18-309 Beveled® Stage 1 Big Sucker™ for Milwaukee-Eight®, Black

$299.95
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Arlen Ness 18-309 Beveled® Stage 1 Big Sucker™ for Milwaukee-Eight®, Black

The new Big Sucker Stage 1 performance intake for Milwaukee-Eight® (M8) engines adds new features to the original industry leading air cleaner. The new patented 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

  • Beveled® Stage 1 Cover 
  • Increases Horsepower & Torque 
  • Eliminates Oil Blow-bye Issues Associated with M8 Engines
  • Black Pre-Oiled High Performance Filter 
  • Patent-Pending Hidden Breather Technology 
  • Patent-Pending Oil Catch / Reservoir 
  • One-Piece Aluminum Backing Plate 
  • Aluminum Filter Top Plate  

California Air Resource Board: Executive Order D-639-12_R-01

ALUMINUM BACKING PLATE FOR MILWAUKEE-EIGHT™ ENGINES 

  • New patent-pending hidden breather backing plate technology. Each breather is o-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through specially formed shooter tubes
  • Shooter tubes are specially formed to flow with the radius air inlet to provide efficient engine breathing without adversely effecting airflow 
  • Helps to eliminate oil blow-bye  issues associated with performance intakes on M8 engines 
  • Integrated patent-pending oil catch stops any excess breather oil from reaching the air filter. Oil catch is serviceable, simply bolt-on and off when your ready to wash/service the air filter 
  • Formed aluminum filter plate design with integrated mounting studs eliminates any internal mounting hardware  
  • Outer filter lip covers the urethane on the base of the air filter for a clean look that leaves only filter media exposed 
  • Gloss Black Powdercoat Finish 

PERFORMANCE AIR FILTERS: MILWAUKEE-EIGHT ENGINES 

  • Black pre-oiled cotton performance air filter 
  • Engineered for optimum air flow and filtration
  • Perimeter flow design brings in air from all sides of the filter while filtering out all harmful debris/dust
  • Each filter is washable and re-useable, filter service kits are available 

BEVELED STAGE 1 OUTER COVER

  • The Stage 1 Beveled air cleaner cover features CNC machined pockets with a Beveled edge 
  • CNC machined from forged billet aluminum 
  • Black anodize finish 
Fitment
  • 17-2023 M8 MODELS (EXCEPT: 2023 FLHXSE & FLTRXSE)

    •  2017-up FLT Touring / Bagger Models: FLHT / FLHR / FLHX / FLTRX / FLTRU / H-D FL Trike 
    • 2018-up Softail™ Models 
Kit Components (BOM)

M8

BACKING PLATE ASSEMBLY: 18-394B

Backing Plate, Filter Top Plate, Stainless Hardware ¼-20 x 1-½ (2)

BREATHER & OIL CATCH

Oil Catch: 18-392-3

Oil Catch Gasket: 18-392-3

Oil Catch Hardware, 8-32 x ¾: H-619S (2)

Shooter Tubes: BT-001

HARDWARE KIT: HK-18458

Breather Bolts: 18-457-4C (2)

Throttle Body Gasket: 18-457-3

Breather Bolt O-Rings: H-024-4 (4)

THROTTLE BODY LOGO PLATE: 18-203-8

LOGO PLATE HARDWARE, M6 X 1.0: HM-122B (2)

BEVELED AIR CLEANER COVER, BLACK: 18-779

COVER HARDWARE, 5/16-18 X 5/8: H-525C

PRE-OILED AIR FILTER, BLACK: 18-090