Fuel & Air Systems

608 products

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

$228.99

PRODUCT DETAILS : Fuel injector 3.8 g/s, Direct fit 2007-2021 XL engines . Injectors are an OE replacement, delivering fuel at 3.8+ grams per second with 4 spray holes. Recommended for stock to m...

FEULING

$228.99

These injectors are the new style updated 25° angle cone spray with 6 spray hole nozzle ends, replacing the original #27625-06 injectors which have 8° cone spray with 3 spray hole nozzle ends, per...

FEULING

$228.99

Features & Benefits: * Flow Rate: 5.7g/s (+23% TC/XL, +10% VRSC) * Recommended HP: 110+ * Connector: EV-1 * Cross Reference: OE# 27617-08 SE# IWP029B * Sold: Each Fitment: Touring 2002-05 &...

FEULING

$228.99

Recommended for stock to mild performance engines making under 95 horsepower to the rear wheel. Injectors also fit performance XL engines looking for a higher flow rate. Features & Benefits: ...

FEULING

$228.99

Features & Benefits: * Flow Rate: 6.2g/s (+59% OE) * Recommended HP: 120+ * Connector: EV-6 * Cross Reference: OE# 27400004 * Sold: Each Fitment: Touring 2006-07 Dyna 2006-17 Softail 2006-15 ...

$222.99

Features & Benefits:- * Sold Each. Proudly Made in the USA by S&S Cycle ! MFR PART No: 17-0336 ROLLIES PART No: SS17-0336

KURYAKYN

$215.99

Features & Benefits:- * For use with Kuryakyn Air Cleaners. * Minimalist styling that gracefully conceals the exposed throttle servo motor & wiring for Milwaukee-Eight models. * Durable ...

$219.99

Features & Benefits:- * Sold Each. Proudly Made in the USA by S&S Cycle ! MFR PART No: 11-2388 ROLLIES PART No: SS11-2388

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ARLEN NESS

$226.99

Features & Benefits:- * With Black Backing Plate. * Includes Red pre-oiled, washable High Flow Element. * Includes necessary Gaskets & Hardware. Tech Tips:- * Requires additional purchase ...

ARLEN NESS

$218.99

Features & Benefits:- * High Flow Element, Over 22% more air filter surface area than filters found in factory oval air cleaners, each filter’s high-flow performance filter media drastically i...

$206.99

Features & Benefits:- * High Flow Element. * 1″ Taller. * Includes 2 Spacers. * Pleated Element. Rain Sock Available: SS170-0197 Proudly Made in the USA by S&S Cycle ! MFR PART No: 170-...

FEULING

$206.99

* Feuling Sensors meet or exceed OE specifications. * Replaces OEM # 32319-07 MFR PART No: 9954 ROLLIES PART No: FE-9954

FEULING

$206.99

External Breather Kit for FEULING Backing Plate, M-Eight fitment. This kit allows the Feuling air cleaner backing to be converted from standard intake breathing to external breathers. Kit includes...

KN FILTERS

$211.99

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

$211.99

Features & Benefits:- * High Flow Element. * Tapered. * Rain Sock = # KN-RC-3680DK. * Base Outside Length = 4.5″ (114 mm). * Base Outside Width = 3-3/4″ (95 mm). * Flange Inside Diameter = 2....