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Black Big Sucker Stage 1 Knuckle Air Filter Kit w/Standard Air Filter & Billet Cover - 18-394

  • Part #:
    1800091
  • Mfg Part #:
    18-394
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Black Big Sucker Stage 1 Knuckle Air Filter Kit w/Standard Air Filter & Billet Cover - 18-394

  • Part #:
    1800091
  • Mfg Part #:
    18-394
MSRP: $279.95

Price: $251.96 10% off!
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Arlen Ness Black Big Sucker Stage 1 Knuckle Air Filter Kit w/Standard Air Filter & Billet Cover - 18-394
  • The new Big Sucker Stage 1 performance intake for Milwaukee-Eight engines adds new and improved features to the original industry-leading air cleaner
  • New patent-pending hidden breather backing plate technology is a step up from our original patented system
  • Each breather is O-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through proprietary breather tubes
  • Our breathing system eliminates oil issues associated with M-Eight engines by directing any excess breather oil back into the engine
  • To ensure no oil saturates the filter and restricts your airflow, we also integrated a new patent-pending oil reservoir that can be serviced when you service the filter element
  • Smooth radius air inlet for unobstructed air flow
  • New Brass filter top plate has integrated filter mounting studs for increased durability while eliminating the need for additional filter mounting hardware
  • High performance filters are made from black pre-oiled cotton for the best in airflow and filtration
  • Filter is washable and re-usable
  • Each M-Eight Big Sucker Stage I kit includes one-piece backing plate, breather tubes, performance filter, filter top, gaskets, oil reservoir and necessary hardware


Included Items:

(1) Air filter

(1) Black aluminum big sucker backing plate

(1) Aluminum filter top plate

(1) Carbon fiber top cover

(2) 8mm Breather bolts

(1) Throttle body gasket

(2) White nylon spacers

(4) O-Rings

(2) Oil vent tubes

(3) 1/4"-20 x 3/4" Socket cap head bolts

(2) 1/4"-20 x 1-1/2" Socket cap head bolts

(2) #8-32 x 3/4" Socket cap head bolts

(1) 5/16"-18 x 1/2" Tapered flat head bolt

(1) Oil reservoir

(1) Oil reservoir gasket

Instructions 

Specifications
Part #: 1800091
Mfg #: 18-394
Type Air Filter - OEM Type
Units Each
Weight 2.50 lbs
Resources & Manuals
Fitment for Arlen Ness Black Big Sucker Stage 1 Knuckle Air Filter Kit w/Standard Air Filter & Billet Cover - 18-394

Part 1800091 fits the following machines

Harley-Davidson
  • Electra Glide Police - FLHTP 2017-2018
  • Electra Glide Standard - FLHT 2019-2020
  • Electra Glide Ultra Classic - FLHTCU 2017-2019
  • Electra Glide Ultra Limited - FLHTK 2017-2020
  • Electra Glide Ultra Limited CVO/SE - FLHTKSE 2017-2020
  • Electra Glide Ultra Limited Low - FLHTKL 2017-2019
  • Freewheeler - FLRT 2017-2020
  • Road Glide - FLTRX 2017-2020
  • Road Glide CVO/SE - FLTRXSE 2018-2019
  • Road Glide Limited - FLTRK 2020
  • Road Glide Special - FLTRXS 2017-2020
  • Road Glide Ultra - FLTRU 2017-2019
  • Road King - FLHR 2017-2020
  • Road King Special - FLHRXS 2017-2020
  • Softail Breakout - FXBR 2018-2019
  • Softail Breakout 114 - FXBRS 2018-2020
  • Softail Deluxe - FLDE 2018-2020
  • Softail Fat Bob - FXFB 2018-2019
  • Softail Fat Bob 114 - FXFBS 2018-2020
  • Softail Fat Boy - FLFB 2018-2019
  • Softail Fat Boy 114 - FLFBS 2018-2020
  • Softail FXDR 114 - FXDRS 2019-2020
  • Softail Heritage Classic - FLHC 2018-2020
  • Softail Heritage Classic 114 - FLHCS 2018-2020
  • Softail Low Rider - FXLR 2018-2020
  • Softail Low Rider S - FXLRS 2020
  • Softail Slim - FLSL 2018-2020
  • Softail Sport Glide - FLSB 2018-2020
  • Softail Street Bob - FXBB 2018-2020
  • Street Glide - FLHX 2017-2020
  • Street Glide CVO/SE - FLHXSE 2017-2020
  • Street Glide Special - FLHXS 2017-2020
  • Tri Glide Ultra Classic - FLHTCUTG 2017-2020
  • Tri-Glide CVO/SE - FLHTCUTGSE 2020
Reviews & Questions
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What is the diameter?
A shopper on Jan 13, 2019
BEST ANSWER: 6"
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