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Fuel & Air Systems

608 products

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

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Regular price $1,202.99
Sale price $1,202.99
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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...
Regular price $760.99
Sale price $760.99
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Features & Benefits:- * High Flow Element. * The Max HP air cleaner features an innovative, conical shape for dramatically improved knee clearance, an internal power cone design for smooth lam...
Regular price $1,199.99
Sale price $1,199.99
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Features & Benefits:- * Textured Black Finish. * High Flow Element. * The Max HP air cleaner features an innovative, conical shape for dramatically improved knee clearance, an internal power c...
Regular price $1,199.99
Sale price $1,199.99
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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...
Regular price $623.99
Sale price $623.99
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Features & Benefits: * Forged billet aluminum air cleaner featuring a polycarbonate window allowing you to view the internal working of your air intake system * Forged billet aluminum backing ...
Regular price $917.99
Sale price $917.99
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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...
Regular price $1,047.99
Sale price $1,047.99
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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...
Regular price $999.99
Sale price $999.99
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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
Regular price $1,000.99
Sale price $1,000.99
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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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Regular price $469.99
Sale price $469.99
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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...
Regular price $1,148.99
Sale price $1,148.99
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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 ...
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Regular price $1,148.99
Sale price $1,148.99
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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 ...
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Regular price $954.99
Sale price $954.99
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Features & Benefits:- * High Flow Element. * Highly-efficient hidden breather & a virtually closed loop system. * Inverted, pleated top and sides maximize airflow from all angles, not jus...
Regular price $703.99
Sale price $703.99
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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...
Regular price $1,004.99
Sale price $1,004.99
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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...