Fuel & Air Systems

591 products

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

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$743.99

Vacuum Operated Fuel Tap * The same feature as OEM vacuum fuel valves – when valve is left in the “on” position with the motor off, fuel flow is shut off automatically * Vacuum Operated Fuel Taps ...

ARLEN NESS

$683.99

Features & Benefits:- * Compact performance air cleaner featuring 4.5″ tapered air filter design and angled billet top for increased performace and leg clearance * 22° angle CNC machined bille...

$576.99

Features & Benefits:- * The Air Stinger takes the existing high flow Stealth air cleaner and replaces the air smoothing stinger with a similarly shaped filter element. More filter surface equa...

ARLEN NESS

$520.99

Features & Benefits:- * With Chrome Backing Plate * Includes pre-oiled, washable High Flow Element. * Includes necessary Gaskets & Hardware. Tech Tips:- * Re-uses OEM Air-Cleaner Cover * R...

$455.99

Features & Benefits:- * Standard Teardrop Air Filter Cover for S&S E, G & D Carburettors. * Also fits S&S Single Bore EFI Throttle Bodies. * Also fits some S&S teardrop Air F...

QUANTUM FUEL SYSTEMS

$411.99

Features & Benefits:- * OEM or better performance * Polished corrosion-resistant case to help minimize seizing during non-operation * Specifically designed for quiet operation * Drop-in replac...

ALL BALLS RACING

$225.99

Features & Benefits:- * Kit includes all parts necessary for tuning a Mikuni HSR42 carburetor * Includes a range of main jets (9), 152.5/155/157.5/160/162.5/165/167.5/170 * Includes a range of...

DK CUSTOM PRODUCT

$217.99

Features & Benefits:- * Black CNC-Machined Aluminum * Vented Cap * 4 Stage Internal Filtration System * 1x Extra O-Ring * 1-1/2″ Diameter x 2-5/8″ Tall * Hose barb for 3/8″ ID hose (same as ho...

KN FILTERS

$222.99

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: 5.1g/s (VRSC OE, +15% TC/XL) * Recommended HP: VRSC OE, TC/XL 95+ * Connector: EV-1 * Cross Reference: OE# 27665-01/A SE# IWP063B * Sold: Each Fitment: Tourin...

THUNDER MAX

$2,315.99

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...

THUNDER MAX

$2,315.99

HORSEPOWER INC

$2,251.99

* 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

APM

$2,813.99

This is the kit you have been waiting for! Complete Genuine Mikuni HSR42mm single carb kit with cast finish carb & cast manifold. Fits all Shovelhead Models. Includes: * Air cleaner Assembly ...

$1,833.99

Features & Benefits:- Combining our best carburetor with our best air cleaner system the Super G stealth kits are the ideal combo for your Evo * Easy Installation & tuning * Washable filte...