Sportster '88-21

29 products

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

$841.99

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

$841.99

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

ARLEN NESS

$841.99

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

VANCE AND HINES

$814.99

Sporting a sleek and minimalistic design, the VO2 Cage Fighter is designed for maximum air flow to your engine using a high capacity air filter and the new ‘patent pending’ Force™ Velocity Stack t...

VANCE AND HINES

$814.99

ARLEN NESS

$683.99

Features & Benefits:- * Compact performance air cleaner featuring 4.5″ tapered air filter design and angled billet top for increased performace and leg clearance * 22° angle CNC machined bille...

$576.99

Features & Benefits:- * The Air Stinger takes the existing high flow Stealth air cleaner and replaces the air smoothing stinger with a similarly shaped filter element. More filter surface equa...

VANCE AND HINES

$449.99

For those wanting to keep the stock look, but not necessarily the stock performance, Vance & Hines offers its VO2 Naked Air Intake as a high flow intake kit for use with your stock cover or on...

ARLEN NESS

$496.99

Features & Benefits:- * Chrome Backing Plate. * Includes pre-oiled, washable High Flow Element. * Includes necessary Gaskets & Hardware. Tech Tips:- * Requires OEM Type Oval Cover. * Repla...

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ARLEN NESS

$496.99

Features & Benefits:- * Black Backing Plate. * Includes pre-oiled, washable High Flow Element. * Includes necessary Gaskets & Hardware. Tech Tips:- * Requires OEM Type Oval Cover. * Replac...

ARLEN NESS

$470.99

Features & Benefits:- * Natural Backing Plate. * Includes Red pre-oiled, washable High Flow Element. * Includes necessary Gaskets & Hardware. Tech Tips:- * Requires OEM Type Round Cover. *...

ARLEN NESS

$452.99

Features & Benefits:- * Natural Backing Plate. * Includes pre-oiled, washable High Flow Element. * Includes necessary Gaskets & Hardware. Tech Tips:- * Requires OEM Type Oval Cover. * Repl...

RINEHART

$845.99

Replacement A/Filter Element:- AN-50-938 Rain Sock :- NA Features: * Highly-efficient hidden breather & a virtually closed loop system * Inverted, pleated top and sides maximize airflow from ...

ARLEN NESS

$1,173.99

The 15-Spoke Inverted Series air cleaner combines the patented Big Sucker™ technology and an inverted filter top that maximizes airflow by pulling in air from the face of the air cleaner, as well ...