Arlen Ness, Stage 1 Big Sucker air cleaner kit. OEM cover - 88-20 XL (excl. Forty Eight, Seventy Two, Iron); 88-15 FX. With oval air cleaner cover (NU) 518704 Harley-Davidson® Part Number(s): 14200-88

Harley-Davidson® Part Number(s): 14200-88

OEM replacement reference 60540-65A

Note: On 86-88 Softail models

by not connecting the fuel hose and just depressing the pin in the fuel line adapter with the rubber 'fuel release tool'

Arlen Ness, Stage 1 Big Sucker air cleaner kit. OEM cover - 88-20 XL (excl. Forty Eight, Seventy Two, Iron); 88-15 FX. With oval air cleaner cover (NU) 518704 Harley-Davidson® Part Number(s): 14200-88Plain backing plate For use with the OEM oval 2 bolt air cleaner cover Stage 1 red pre oiled filter element. The best and simplest performance air cleaner kit for your bike period. Gain up to 21% horsepower by simply installing a Big Sucker kit on your intake. Backing plates: The Big Sucker aluminum backing plates feature a radiused inlet to optimize airflow for both carburetor and fuel injection applications. The built in breathing system features