Sportster '88-21

32 products

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

$844.99

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

$845.99

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

$845.99

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

$845.99

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

$818.99

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

$818.99

ARLEN NESS

$686.99

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...

$579.99

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

$451.99

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

$498.99

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

ARLEN NESS

$498.99

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

$472.99

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

$454.99

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

$848.99

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

$800.99

Features & Benefits:- * Includes High Flow Element. Tech Tips:- * Replacement Air Filter Element = AN-18-090 * Rain Sock = AN-18-062 * Will Not Fit Twin Cam 2008-2017 with Throttle-by-Wire. *...