MCS-517257 - Round. Fits many 6" type air cleaners ao 508910; 516263; Dragtron & Dragtron Star air cleaners. - Height 51mm (2") - Inside diameter 102mm (4") - Outside diameter 137mm (5.375") Fitment: Most H-D with Keihin butterfly;...

MCS-514355 - Open filter universal clamp-on style air cleaner. - 130mm diameter - 51mm high - 62mm ID inlet - 16mm flange length - Centered flange - Chrome cover with K&N embossed logo Fitment: 38mm Mikuni round slide carburetors

MCS-516266 - 1 gallon (3.79 liter) refill can. Recommended to clean K&N cotton air filter elements. K&N Power Kleen will bring your K&N oiled cotton air filter to like new condition. It works to dissolve the dirt build up and old filter...

MCS-516263 - Closed filter. With chrome plated steel backplate and 5.25" (133mm) chrome bonnet. - Includes mounting hardware - Air filter element height 51mm - Air filter element inside diameter 102mm - Inlet diameter 52mm - Neck flange...

MCS-514044 - - Shape: Rectangular - Height: 1.50" (38 mm) - Outside length: 8.438" (214mm) - Outside width: 5.25" (133mm) - Flange: No - Upgrade replacement for OEM 29331-04 air filter element. K&N is the world-wide standard in high-end...

MCS-510566 - Machined from billet aluminum; polished and chrome plated. Fits head breathing XL Sportster models with stock Keihin CV carburetor. Comes complete with all mounting hardware. Note: See 510571 for the replacement K&N filter...

MCS-510563 - For those that don''t fancy an overdesigned air cleaner assembly. The Street MetalT provides clean; basic looks and as much air as you''d expect from a performance air cleaner specialist as K&N. The system is built with an...

MCS-510561 - Machined from billet aluminum; polished and chrome plated. Fits all head breathing Evo Big Twin models with stock Keihin CV carburetor. Comes complete with all mounting hardware. Note: See 510572 for the replacement K&N...

MCS-510559 - Machined from billet aluminum; polished and chrome plated. Fits all head breathing Evo Big Twin models with stock Keihin CV carburetor. Comes complete with all mounting hardware. Note: See 510572 for the replacement K&N...

MCS-510556 - Machined from billet aluminum; polished and chrome plated. Fits all head breathing Evo Big Twin models with stock Keihin CV carburetor. Comes complete with all mounting hardware. Note: See 510571 for the replacement K&N...

MCS-517272 - Chrome. Fits a 1/2" oil hose. Designed for use on the crankcase ventilation system. Fitment: 1/2" hose

MCS-517271 - 1-oz (29cc) squeeze tube. Provides an airtight fit sealing surfaces on all types of air filter elements. Heat resistant; will not melt or run off. Keeps filter sealed in rugged environments for best filtering and engine...