For 91-20 XL w/ CV Carb/Delphi EFI. CLARITY AIR CLEANER. Black Ops. CNC machined from billet aluminum. Allows for viewing of the internal moving intake components. Backing plate promotes smooth airflow into the carb/throttle body. Includes high-volume K&N air filter. All mounting hardware included. Available in chrome, Contrast Cut™ and Black Ops™ finishes. Matching Clarity derby and cam cover available also transmission and rocker box covers. Made in the U.S.A. CLARITY AIR CLEANERS. CNC machined from billet aluminum. Allows for viewing of the internal moving intake components. Backing plate promotes smooth airflow into the carb/throttle body. Includes high-volume K&N air filter. All mounting hardware included. Available in chrome, Contrast Cut™ and Black Ops™ finishes. Matching Clarity derby and cam cover available also transmission and rocker box covers. Made in the U.S.A. - Part Number - 1010-1047