Fuel & Air Systems

591 products

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

$229.99

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 !

KN FILTERS

$242.99

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

$206.99

Features & Benefits:- * 1″ x 1-7/8″ Spacer. * Spacer for more clearance between Tank & Air Cleaner. * Mounting hole pattern is Identical to Stock Pattern on Tillotson, Bendix & Keihin...

KN FILTERS

$230.99

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

WIRE PLUS

$220.99

Features & Benefits: * Flow Rate: 3.8g/s (Sportster OEM) * Connector: EV-1 * Cross Reference: OE# 27706-07 & SE# IWP181/B * Sold: Each Fitment: Sportster 2007-2021

GOLAN PRODUCTS

$210.99

Specifications: Length: 1.500″ long, not include Barbed Ends. * We have the best billet, stainless steel, washable, reusable and performance fuel filters in the industry. * Filter Element: Designe...

ARLEN NESS

$215.99

Features & Benefits:- * High Flow Element. * Rain Sock #’s AN-18-063 & AN-18-065. * Flange Inside Diameter = (67mm)

ARLEN NESS

$206.99

Features & Benefits:- * Fits Stage 1 Big Sucker. * High Flow Element.

CYCLE PRO LLC

$522.99

Features & Benefits: * Flow Rate: 5.38g/s (+20% OE, -3.5% SE) * Recommended HP: 90+ * Connector: EV-6 * Cross Reference: OE# 27400015, SE# 27400040 * Sold in sets (two injectors)

ARLEN NESS

$249.99

Features & Benefits:- * Black Synthetic Filter Media * Air Filter is washable / re-useable * Synthetic filter media is water-resistant and does not require filter oil * Fitment: Arlen Ness S...

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TRASK PERFORMANCE

$1,615.99

The Trask Big Papi High Flow Air Cleaner delivers timeless style and proven performance. Precision-built, the high-capacity filter and internal velocity stack move more air for stronger performanc...

TRASK PERFORMANCE

$1,613.99

The Trask Big Papi High Flow Air Cleaner delivers timeless style and proven performance. Precision-built, the high-capacity filter and internal velocity stack move more air for stronger performanc...

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TRASK PERFORMANCE

$1,613.99

The Trask Big Papi High Flow Air Cleaner delivers timeless style and proven performance. Precision-built, the high-capacity filter and internal velocity stack move more air for stronger performanc...

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TRASK PERFORMANCE

$1,615.99

The Trask Big Papi High Flow Air Cleaner delivers timeless style and proven performance. Precision-built, the high-capacity filter and internal velocity stack move more air for stronger performanc...

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TRASK PERFORMANCE

$1,472.99

Assault Charge High Flow Air Cleaner – 68mm Throttle Body ONLY FITMENT The Trask Assault Charge High Flow Air Cleaner combines proven performance with timeless design for your Harley-Davidson. Bui...