Fuel & Air Systems

593 products

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

$1,009.99

Features & Benefits:- * Textured Black Finish. * Best in filtration and flow from K&N. * CNC Machined from billet aluminum. * Hidden internal crank case breathers. * Easy Bolt-on Installat...

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VANCE AND HINES

$1,363.99

Extract maximum performance and show off your pride with the VO2 America from Vance & Hines. This special edition product is crowned with a bold CNC machined billet cover adorned with the Star...

PERFORMANCE MACHINE

$1,423.99

Features & Benefits:- * Also Fits Twin Cam 2006-2017 with Screamin’ Eagle 58mm Throttle Body Upgrade. * Textured Black Finish. * High Flow Element. * The Max HP air cleaner features an innovat...

PERFORMANCE MACHINE

$1,423.99

Features & Benefits:- * Also Fits Twin Cam 2006-2017 with Screamin’ Eagle 58mm Throttle Body Upgrade. * Gloss Black with Contrasting Alloy Accents. * High Flow Element. * The Max HP air cleane...

PERFORMANCE MACHINE

$1,365.99

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

$1,423.99

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

$1,088.99

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

$1,242.99

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...

$1,185.99

Features & Benefits:- * Carburettor Only. * 2-1/16 Bore. Proudly Made in the USA by S&S Cycle ! MFR PART No: 11-0421 ROLLIES PART No: SS11-0421

$1,186.99

Features & Benefits:- * Carburettor Only. * 1-7/8″ Bore. Proudly Made in the USA by S&S Cycle ! MFR PART No: 11-0420 ROLLIES PART No: SS11-0420

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$490.99

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

$1,363.99

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

$1,363.99

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

$906.99

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 fro...

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APM

$1,191.99

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...