Fuel & Air Systems

594 products

Shop the range of aftermarket motorcycle fuel & air system products at Pro Class Custom Parts.

$835.99

The Monster Sucker is a 90° performance air cleaner that features a massive forward facing filter design and our patented hidden breather backing technology for a reliable intake that enhances the...

ARLEN NESS

$829.99

Features & Benefits:- * Forward facing 90° velocity series intake * Aggressive short length intake tube engineered to significantly increase airflow without sacrificing leg room * Patent hidde...

ARLEN NESS

$829.99

Features & Benefits:- * Forward facing 90° velocity series intake * Aggressive short length intake tube engineered to significantly increase airflow without sacrificing leg room * Patent hidde...

ARLEN NESS

$829.99

Features & Benefits:- * Forward facing 90° velocity series intake * Aggressive short length intake tube engineered to significantly increase airflow without sacrificing leg room * Patent hidde...

$788.99

Features & Benefits:- * Includes High Flow Element. Tech Tips:- * Replacement Air Filter Element # KN-E-3226 * Rain Sock Not Applicable. * Fuel Mixture Calibration is Advised. Proudly Made in ...

$787.99

Features & Benefits:- * Includes High Flow Element. * Typically used when you have put 5 Gallon Fuel tanks on Tech Tips:- * Replacement Air Filter Element # KN-E-3226 * Rain Sock Not Applicabl...

$786.99

Features & Benefits:- * Includes High Flow Element. Tech Tips:- * Replacement Air Filter Element # KN-E-3226 * Rain Sock Not Applicable. * For fitment to Sportster 1991-2003, you must use a # ...

ARLEN NESS

$829.99

Features & Benefits:- * Forward facing 90° velocity series intake * Aggressive short length intake tube engineered to significantly increase airflow without sacrificing leg room * Patent hidde...

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ARLEN NESS

$835.99

ARLEN NESS

$826.99

ARLEN NESS

$835.99

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ARLEN NESS

$835.99

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ARLEN NESS

$829.99

Features & Benefits:- * Significant improvements in performance. * 65 degree angle Design allows extra clean air flow. * Additional Knee Clearance. * Stainless jacketed water resistance filte...

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ARLEN NESS

$829.99

Fits: 2008-16 FLT 2016-17 Softail 2016-17 FXDLS (WILL NOT FIT 06-17’TC with S/Eagle 58mm Throttle Body Upgrade.) Features & Benefits:- * Significant improvements in performance. * 65 degr...

ARLEN NESS

$829.99

Features & Benefits:- * Significant improvements in performance. * 65 degree angle Design allows extra clean air flow. * Additional Knee Clearance. * Stainless jacketed water resistance filte...