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Fuel & Air Systems

593 products

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

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Regular price $466.99
Sale price $466.99
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Features & Benefits:- * Fits 1975up Carburetted Vehicles & all Custom Fuel tanks with 22mm external threads. * Click-Slick – Ball Bearing High Flow Petcock. * Distinctive audible click and...
Regular price $466.99
Sale price $466.99
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Features & Benefits:- * Fits 1975up Carburetted Vehicles & all Custom Fuel tanks with 22mm external threads. * Click-Slick – Ball Bearing High Flow Petcock. * Distinctive audible click and...
Regular price $257.99
Sale price $257.99
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Features & Benefits:- * High Flow Element. * Oiled Cotton Filter * Rain Sock # AN-18-062. MFR PART No: 50-938 ROLLIES PART No: AN-50-938
Regular price $838.99
Sale price $838.99
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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...
Regular price $605.99
Sale price $605.99
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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 = 7...
Regular price $2,389.99
Sale price $2,389.99
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ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary A...
Regular price $1,950.99
Sale price $1,950.99
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* USA made, one piece throttle body, manifold, throttle cable bracket, flanges and seals all pre-assembled. * For use with any CV/Delphi stock bolt pattern air cleaner MFR PART No: HPI-55D1-18 R...
Regular price $1,883.99
Sale price $1,883.99
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Mikuni HSR Total Kit 42-19 for 1999-2006 Harley Davidson Twin Cam Models Mikuni’s HSR Total Kit dramatically improves the performance on all Harley-Davidson engines and delivers unmatched throttle...
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Regular price $1,870.99
Sale price $1,870.99
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Features & Benefits:- * Four fuel delivery ports for Better throttle response. * O’Ring sealed idle mixture screw. * Increased air flow, more power & better performance. * Adjustable accel...
Regular price $1,766.99
Sale price $1,766.99
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Mikuni HSR Total Kit 42-8 for 1984 thru 1999 Harley Davidson Evo Big Twin Models. Mikuni’s HSR Total Kit dramatically improves the performance on all Harley-Davidson engines and delivers unmatched...
Regular price $1,667.99
Sale price $1,667.99
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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...
Regular price $1,618.99
Sale price $1,618.99
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Features & Benefits:- Originally designed for our 130 Bagger GP race engine, what is now our Race Series (RS) BA air cleaner, comes in just under an inch taller and boasts an impressive 33% in...
Regular price $1,423.99
Sale price $1,423.99
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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...
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Regular price $1,366.99
Sale price $1,366.99
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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:- * High Flow Element. * The Max HP air cleaner features ...
Regular price $1,362.99
Sale price $1,362.99
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Catch a glimpse of your intake’s inner workings with the VO2 Insight. Housed in a precision-machined billet aluminum cover assembled with stainless racing-grade ARP hardware, the VO2 Insight featu...