Fuel & Air Systems

603 products

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

$1,407.99

The MAX HP Air Cleaner isn’t just another pretty bolt-on accessory that lacks substance. The newest addition to our air cleaner line-up features an innovative, conical shape for dramatically impro...

PERFORMANCE MACHINE

$1,467.99

Features & Benefits:- * Gloss Black with Contrasting Alloy Accents. * High Flow Element. * The Max HP air cleaner features an innovative, conical shape for dramatically improved knee clearance...

TRASK PERFORMANCE

$1,121.99

Features & Benefits:- * Rated one of the highest flowing Harley-Davidson air cleaner kits on the market by third party testing. * Features a billet aluminum backing plate with hidden integrate...

TRASK PERFORMANCE

$1,280.99

Features & Benefits:- * Rated one of the highest flowing Harley-Davidson air cleaner kits on the market by third party testing. * Features a billet aluminum backing plate with hidden integrate...

$1,210.99

Features & Benefits:- * Carburettor Only. * 2-1/16 Bore. Proudly Made in the USA by S&S Cycle !

$1,210.99

Features & Benefits:- * Carburettor Only. * 1-7/8″ Bore. Proudly Made in the USA by S&S Cycle !

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$499.99

Fitment: Fits 2023up Center-Cooled M8 Models with Gen 2 heads & throttle body (Does NOT Fit Road King Models) Features & Benefits:- * Stealth intake provides 38% increase in flow * High-s...

VANCE AND HINES

$1,404.99

Extract the maximum performance with the VO2 X from Vance & Hines. Crowned with a bold CNC machined billet cover that is bolted down with ARP hardware, the VO2 X utilizes a washable high flow ...

VANCE AND HINES

$1,404.99

Extract the maximum performance with the VO2 X from Vance & Hines. Crowned with a bold CNC machined billet cover that is bolted down with ARP hardware, the VO2 X utilizes a washable high flow ...

RINEHART

$933.99

Replacement A/Filter Element:- AN-18-938 Rain Sock :- NA Features: * Highly-efficient hidden breather & a virtually closed loop system * Inverted, pleated top and sides maximize airflow from ...

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APM

$1,132.99

42-11 Mikuni HSR Easy Kit fits 1994 to 2004 Sportster Models. For the maximum available increase in all round performance and power available, this kit will instantly impress. This Sportster kit r...

COBRA

$1,157.99

Features & Benefits:- The PowrFlo Air Intake system looks great and performs even better. Improved air flow is one of the keys for improved engine performance. Though you might be tempted to i...

ARLEN NESS

$1,198.99

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. *...

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ARLEN NESS

$1,198.99

Features & Benefits:- * Includes High Flow Element. Tech Tips:- * Does not fit cable models even when using the larger SE 58mm Throttle Body, the Ness backing plate hits on the billet IAC moto...

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ARLEN NESS

$1,198.99

Features & Benefits:- * Includes High Flow Element. Tech Tips:- * Does not fit cable models even when using the larger SE 58mm Throttle Body, the Ness backing plate hits on the billet IAC moto...