With OEM style bottom feed and return oil line placement

which allows the tuner to choose how much fuel to add for a given engine temperature

Round 5-7/8" air cleaner made of 6061-T6 billet aluminum

'- Black metal housing

Note: See 524994 for replacement valve seals

Side Plate Docking Hardware Kit FLSTC 2003-up Top End Parts Evo With OEM style bottom feedChrome & zinc plated hardware. Required to install detachable side plates, which are required for the installation of a sissy bar. OEM replacement reference 53931 03A. Note: See (online) catalog for correct detachable side plate kits and sissy bars. Note: FLSTC & FLSTN models do not require a turn signal relocation kit. Fits: > 03 17 FLSTC; 2003 FLSTS; 05 07 FLSTSC; 2006 FLST . With OEM saddlebags OEM No. 53931 03