Fuel & Air Systems

591 products

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

$456.99

Including 2025up Scout models. Features & Benefits:- * The S&S StealthTwo air cleaner features increased filter area & a radiused inlet. * Together, they provide a smooth path for air...

$456.99

Features & Benefits:- * Also Fits Twin Cam 2006-2017 with Screamin’ Eagle 58mm Throttle Body Upgrade. * High Flow Element. * Kits Exclude a Cover. Tech Tips:- * Use the Stock Twin Cam 88ci, 96...

KN FILTERS

$206.99

Features & Benefits:- * High Flow K&N Element. * Air Filter Shape = Round. * Filter Material = Cotton Gauze. * Filter Re-Oiling Amount = 0.47 oz (14 ml). * Height = 2.375″ (60 mm). * Insid...

FEULING

$202.99

Replacement BA RACE SERIES (RS) Air Filter Element, Tall 3.335 height filter, Black. Washable reusable air filter

ALL BALLS RACING

$673.99

Features & Benefits:- * OEM or better performance * Polished corrosion-resistant case to help minimize seizing during non-operation * Specifically designed for quiet operation * Drop-in replac...

ARLEN NESS

$776.99

Features & Benefits:- * Fits HD Only Arlen Ness Monster Sucker 90 Degree Air Filter Kit.

ARLEN NESS

$776.99

Features & Benefits:- * Fits HD Only Arlen Ness Monster Sucker 90 Degree Air Filter Kit.

ARLEN NESS

$533.99

Features & Benefits:- * Fits HD Only Arlen Ness Monster Sucker 90 Degree Air Filter Kit.

ROLLIES SPEED SHOP

$449.99

Features & Benefits: * Made in the USA using the latest injector technology * Sold in matched sets (two injectors) * Detailed test report included with each set * Grams Per Second @ 58 psi = 3...

TECHNO RESEARCH TUNER

$496.99

Licence Number: 1. It is a per ECM license and service; compatibility with your situation may not be available/possible. A brief consultation is recommended.

VANCE AND HINES

$1,334.99

Form and function find perfect balance with the VO2 Onyx from Vance & Hines. A completely open face design allows for maximum air flow, while the billet aluminum cover is machined to perfectio...

ROLLIES SPEED SHOP

$456.99

Features & Benefits: * Made in the USA using the latest injector technology * Sold in matched sets (two injectors) * Detailed test report included with each set * Grams Per Second @ 58 psi = 6...

FEULING

$1,474.99

Features & Benefits:- With years of experience designing improved intake ports and intake manifolds, brings light to a new bolt-on air cleaner design for Harley-Davidson motorcycles. The Feuli...

KN FILTERS

$207.99

Features & Benefits:- * High Flow Element. * Designed to provide increased horsepower & torque. * Pleated media provides a large filtration area offering long service intervals. * Multipl...

KN FILTERS

$207.99

Features & Benefits:- * High Flow Element. * K&N Element. * Designed to provide increased horsepower & torque. * Pleated media provides a large filtration area offering long service i...