Arlen Ness AN-81-010 90 Degree Monster Sucker Air Cleaner Kit Black for Sportster 91-21

Description for Arlen Ness Monster Sucker Black Air Cleaner Kit - 81-010

• Monster Sucker kit features our patented Big Sucker "hidden breather"? technology and more filter surface area for maximum performance

• Hidden breathers are o-ringed at the heads and exist out the mouth of the injector/carb to provide efficient engine breathing, eliminating the need for any external hoses or hardware

• Filter features a built in inverted top to pull in air not only from all sides of the filter but also the front, which results more performance gaining airflow

• Each filter is constructed from synthetic material that is water resistant, which in most cases eliminates the need for a rain sock

• Filters are re-usable and do not require oil, just rinse and re-use

• Covers styles available in: Deep Cut, 10-Gauge or Beveled styles

• Kits do not include Arlen Ness forged billet covers; must be purchased separately

• Forged billet covers can be added at any time to any Monsters Sucker kits that were originally purchased without covers (sold separately)

NOTE: Will fit 88-90 models also;  breather system is not applicable for these model years

NOTE:
Will NOT fit models with factory lower fairings

(1) Manifold gaskets

(1) Black aluminum intake backing plate

(1) Black aluminum intake elbow

(1) Intake air filter

(1) Black steel filter cover

(1) Large O-ring

(2) Small O-rings

(2) Breather bolts

(2) Breather bolt washers

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

(3) 1/4"-20 x 1/2" Socket cap head bolts

(1) Manifold spacer

(1) 3M Tape primer

(1) 0.017 fl. oz. Blue threadlocker

Instructions