Sportster '88-21

34 products

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

$767.99

Features & Benefits:- * Styling inspired by the HD Prodigy wheel * Forged billet construction * Clear polycarbonate window face * High flow, pre-oiled, black filter element * Ergonomic design ...

VANCE AND HINES

$835.99

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...

ARLEN NESS

$489.99

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

ARLEN NESS

$809.99

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...

Sold Out

KN FILTERS

$211.99

* K&N’s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. * These filters are washable and reusable and are custom designed to...

ARLEN NESS

$1,075.99

Features & Benefits:- * USA Made High Flow Air Filter Element is water Resistant eliminating the need for a Rain Sock. * Synthetic Filter material never needs oil, just wash and re-use for lon...

ARLEN NESS

$767.99

Features & Benefits:- * Styling inspired by the HD Prodigy wheel * Forged billet construction * Clear polycarbonate window face * High flow, pre-oiled, black filter element * Ergonomic design ...

$950.99

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...

$949.99

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...

$949.99

Features & Benefits:- * 85% of original size. * Classic Teardrop look. * Machined openings provide additional air flow. Tech Tips:- * Fuel Mixture Calibration is Advised. Proudly Made in the U...

$949.99

Features & Benefits:- * 85% of original size. * Classic Teardrop look. * Machined openings provide additional air flow. Tech Tips:- * Fuel Mixture Calibration is Advised. Proudly Made in the U...

Sold Out

$949.99

* 85% of original size. * Classic Teardrop look. * Machined openings provide additional air flow. Tech Tips:- * Fuel Mixture Calibration is Advised. Proudly Made in the USA by S&S Cycle MFR ...

$948.99

Features & Benefits:- * 85% of original size. * Classic Teardrop look. * Machined openings provide additional air flow. * Fuel Mixture Calibration is Advised. MFR PART No: 170-0450 ROLLIES P...

$952.99

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 ...

ARLEN NESS

$838.99

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...