Arlen Ness AN-18-826 Stage 1 Big Sucker Air Cleaner Kit Black for Sportster 88-21 w/EFI or CV Carburettor Re-Uses Stock Oval 2 Bolt CoverDescription for Arlen Ness Big Sucker Performance Air Cleaner Kit 18 826 Use one of these kits to eliminate the need for banjo fittings, hoses and filter Each kit features a one piece cast aluminum backing plate carb support bracket and all necessary hardware and instructions Stage I kit includes a high flow filter and accepts 93 13 oval or round OEM outer cover Breather passages exit at the mouth of the carburetor throttle body, creating a virtually