Fuel & Air Systems

591 products

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

$228.99

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

$228.99

Features & Benefits:- * Fits HDI Australian Models. * High Flow Element. * Designed to provide increased horsepower & torque. * Pleated media provides a large filtration area offering lon...

KN FILTERS

$231.99

Features & Benefits:- * High Flow Element. * Designed to provide increased horsepower & torque. * Pleated media provides a large filtration area offering long service intervals. * Multiple...

KN FILTERS

$227.99

Features & Benefits:- * High Flow Element. * Designed to provide increased horsepower & torque. * Pleated media provides a large filtration area offering long service intervals. * Multiple...

KN FILTERS

$228.99

Features & Benefits:- * High Flow Element. * Designed to provide increased horsepower and torque. * Pleated media provides a large filtration area offering long service intervals. * Multiple ...

KN FILTERS

$228.99

Features & Benefits:- * High Flow Element. * Designed to provide increased horsepower & torque. * Pleated media provides a large filtration area offering long service intervals. * Multiple...

PINGEL LEVERS

$200.99

* Pingel® high-flow custom fuel filters are available in chrome finish * Filters have a high-quality O-ring for a leak-proof seal * Cleanable, reusable 40 micron filter element * 1-3/16in. body le...

$1,762.99

Features & Benefits:- * Four fuel delivery ports – Better throttle response. * O’Ring sealed idle mixture screw. * Increased air flow for more power. * Adjustable accelerator pump for quick th...

$1,762.99

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...

PERFORMANCE MACHINE

$906.99

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...

$891.99

Features & Benefits:- * Also Fits Twin Cam 2006-2017 with Screamin’ Eagle 58mm Throttle Body Upgrade. * 85% of original size. * Classic Teardrop look. * Machined openings provide additional ai...

ARLEN NESS

$1,042.99

Arlen Ness Velocity 90 Air Cleaners feature a forward-facing intake design positioned at a 90° angle. The intake’s 90° angle with it proprietary Velocity filter results in more horsepower & to...

TECHNO RESEARCH TUNER

$668.99

Fitment Information: Note: Does not fit CVO Touring Models 2023up or Street Glide & Road Glide 2024up or 2024up Pan America, Sportster S or Nightster or 2025up Softail * Extensive, professiona...

ROLLIES SPEED SHOP

$498.99

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 = 6...

TRASK PERFORMANCE

$395.99

Features & Benefits:- * Vents breathers to atmosphere instead of recirculating oil mist back through the intake * Converts Assualt Charge air cleaner from internal to external breathing Proudl...