Collection:
Fuel & Air Systems
608 productsShop the range of aftermarket motorcycle fuel & air system products at Pro Class Custom Parts.
Categories
Apparel
Brakes
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Brake Disc Rotors
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Brake Pads
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Brake Upgrades - Front
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Brake Upgrades - Rear
Cables & Hydraulic Lines
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Cables & Hyd. Lines - Black
- Cables & Hyd. Lines Indian & Victory
- Cables & Hyd. Lines V-Rod & Street
- Clutch Cables 4 spd BT Black
- Clutch Cables 5 spd BT Black
- Clutch Cables 6 spd BT Black
- Clutch Cables XL'04UP Black
- Clutch Cables XL'86-03 Black
- Ready Made Front Brake Lines Black
- Ready Made Hyd. Clutch Lines Black
- Ready Made Rear Brake Lines Black
- Universal Hyd Lines & Fittings Black
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Cables & Hyd. Lines - Chromite
Chassis & Sheet Metal
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Engine Guards & Swingarms Etc
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Engine Mounts & Jiffy Stands
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Fenders & Associated Parts
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Fuel Tanks & Related Parts
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Oil Tanks & Associated Parts
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Rear Belt & Chain Guards
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Side Covers & Frame Covers etc.
Chrome Mounting Hardware
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Bottom End Hardware
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Complete Engine Showbike Kits
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Front & Rear End Hardware
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General Workshop Hardware
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Top End & Rocker Hardware
Clutch & Primary Drive
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Belt Drive Primary
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Chain Drive Primary
Electrical
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Charging Systems & Components
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Ignition Systems & Components
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Starter Motors & Components
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Wiring Harness & Associated
Engine
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Engine Power Pack & Hot Up Kits
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Cam Chest & Cams & Oil Pumps
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Complete Engines
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Crankcase & Bottom End
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Cylinder Heads & Components
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Cylinders & Pistons
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Oil & Engine Coolers & Parts
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Pushrods+Cvrs & Lifters+Blocks
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Rocker Covers & Rockers
Exhaust - Spare Parts Only
Exhaust - Systems & Mufflers
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Exhaust Headers
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Exhaust Mufflers
- Mufflers (BMW)
- Mufflers (Breakout)
- Mufflers (Can-Am)
- Mufflers (Dyna)
- Mufflers (Honda)
- Mufflers (Indian all touring)
- Mufflers (Indian Cruiser/Chief)
- Mufflers (Indian FTR)
- Mufflers (Indian Scout)
- Mufflers (Kawasaki)
- Mufflers (Multi Model Fitment)
- Mufflers (Nightster Special)
- Mufflers (Pan America)
- Mufflers (Polaris)
- Mufflers (Royal Enfield)
- Mufflers (Softail)
- Mufflers (Sportster)
- Mufflers (Street)
- Mufflers (Street '15-20)
- Mufflers (Touring & Trike)
- Mufflers (X350)
- Mufflers (X500)
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Exhaust System 2:1
- Breakout (2:1)
- Dyna (2:1)
- Honda (2:1)
- Indian Challenger/Pursuit (2:1)
- Indian Cruiser/Chief (2:1)
- Indian Scout (2:1)
- Indian Touring/Bagger (2:1)
- Kawasaki (2:1)
- Nightster Special (2:1)
- Rocker (2:1)
- Royal Enfield (2:1)
- Softail (2:1)
- Sportster (2:1)
- Sportster S (2:1)
- Street (2:1)
- Touring & Trike (2:1)
- V-Rod (2:1)
- Yamaha (2:1)
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Exhaust System 2:2
Foot Controls
- Air Shifters & Components
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Floor Boards & Components
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Foot Controls & Extensions
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Foot Pegs & Shifter Pegs
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Footpeg Mts, Adapters & Offsets
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Spare Parts - Foot Brake
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Spare Parts - Foot Shift
Fuel & Air Systems
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Air Cleaner Kits & Components
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Carburettor Kits & Components
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Fuel - Taps & Lines & Filters
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Fuel Injection & Components
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Inlet Manifolds & Clamps etc
Gasket Kits & Gaskets & Seals
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Gaskets Complete Engine Kits
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Gaskets Primary
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Gaskets Top End & Rocker
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Gaskets Transmission
Handlebars & Controls
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Hand Control Kits
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Hand Grips & Throttle
- Handlebar Accessories
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Handlebars & Risers H-D
- Handlebar Risers - Black
- Handlebar Risers - Chrome
- Handlebars 1" - Black
- Handlebars 1" - Chrome
- Handlebars 1-1/2" - Black
- Handlebars 1-1/2" - Chrome
- Handlebars 1-1/4" - Black
- Handlebars 1-1/4" - Chrome
- Risers 1" Clamp - Black
- Risers 1" Clamp - Chrome
- Risers 1-1/2" Clamp - Black
- Risers 1-1/2" Clamp - Chrome
- Risers 1-1/4" Clamp - Black
- Risers 1-1/4" Clamp - Chrome
- Risers 1-1/8" Clamp - Black
- Risers 1-1/8" Clamp - Chrome
- Handlebars & Risers Indian
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Mirrors
Instruments & Gauges
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Gauges - Bagger & Dresser
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Oil+Volt+Temp & Other Gauges
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Speedo 3-3/8" Tank & Bar MT
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Speedo 4.5" Tank Mt 1936-03
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Speedo 4.5" Tank Mt 2004up
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Speedo Dash's & Bases & Other
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Speedo Drives+Sensors+Cables
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Speedos & Mts Custom App.
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Tachometer
Lighting
- Accessory Lighting
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Headlights & Associated
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License Plate & Associated
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Passing Lamps & Associated
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Tailights & Associated
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Turn Signals & Associated
Oil Filters
Seats & Sissy Bars
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Accessories for Seats & S/Bars
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Dual Seats
- Dyna Dual Seats
- FXR Dual Seats
- Indian Dual Seats
- Metric Dual Seats
- Pan America Dual Seats
- Softail Dual Seats 1984-2017
- Softail Dual Seats 2018up
- Sportster Dual Seats
- Street 500/750 Dual Seats
- Touring (FLH) 1991-2007 Dual Seats
- Touring (FLH) 2008-2023 Dual Seats
- Touring (FLH) 2024up Dual Seats
- Vintage (1936-84) Dual Seats
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Pillion Pads
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Sissy Bar Side Straps
- Sissy Bar Uprights & Pads
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Solo Seats
- Custom or Universal Solo Seats
- Dyna Solo Seats
- FXR Solo Seats
- Indian Solo Seats
- Softail Solo Seats (1984-2017)
- Softail Solo Seats 2018up
- Sportster Solo Seats
- Street 500/750 Solo Seats
- Touring (FLH) 1991-2007 Solo Seats
- Touring (FLH) 2008-2023 Solo Seats
- Touring (FLH) 2024up Solo Seats
- Vintage(1936-84) Solo Seats
Suspension
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FXR
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Front Susp. Related
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Front Suspension: 35 & 39mm
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Front Suspension: 41mm
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Front Suspension: 49mm
- Rear Shocks Related - Universal
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Rear Shocks: Dyna
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Rear Shocks: FLH
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Rear Shocks: HD Street
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Rear Shocks: HD Trike
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Rear Shocks: Indian & Victory
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Rear Shocks: Metric
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Rear Shocks: Softail
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Rear Shocks: V-Rod
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Rear Shocks: Vintage
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Rear Shocks: XL'04up
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Universal Suspension
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XL'79-03
Tires & Wheels
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Arlen Ness Wheels
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Axles & Related Components
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OEM Wheels & repl Components
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Performance Machine Wheels
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Renegade Wheels
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Spoke Wheels
Tools & Supplies
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General Workshop Equipment
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Harley-Davidson Specific Tools
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Indian & Victory Tools
Transmission & Final Drive
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Final Drive
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Transmission - BT 4 spd era
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Transmission - BT 5 spd era
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Transmission - BT 6 spd era
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Transmission - XL 4 spd era
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Transmission - XL 5 spd era
Windshields & Luggage
4.38g/s Fuel Injector. Fits Milwaukee-Eight 2017up.
Regular price
$217.99
Sale price
$217.99
Regular price
Unit price
/per
Features & Benefits:
* Flow Rate: 4.38g/s (Stock Replacement)
* Connector: EV-6
* Cross Reference: OE# 27400015
* Sold: Each
MFR PART No: 936-2007
ROLLIES PART No: WP-936-2007
IAC, Idle Air Control Sensor. Fits Touring 2006-2007, Softail 2006-2015 & Dyna 2006-2017.
Regular price
$204.99
Sale price
$204.99
Regular price
Unit price
/per
* Electronic Fuel-Injection Idle Air Control Module
* Does not fit Throttle By Wire Models
* Replaces OEM # 27658-06
MFR PART No: MC-IAC2
ROLLIES PART No: STD-MC-IAC2
Throttle Position Sensor. Fits EFI Softail 2001-2005, Dyna 2004-2005, Touring 2002-2005 & Sportster 2007-2021
Regular price
$209.99
Sale price
$209.99
Regular price
Unit price
/per
Fits:
’01-05 Softail
’02-05 Touring
’04-05 Dyna
’04-05 S/Eagle
’07-21 Sporty
* Replaces OEM # 27629-01
MFR PART No: MC-TPS1
ROLLIES PART No: STD-MC-TPS1
Sold Out
CV Carburetor Recalibration Kit
Regular price
$212.99
Sale price
$212.99
Regular price
Unit price
/per
Main Jet Assortment for precision tuning #150, #160, #170, #180 and
#190. Cures Throttle flat spots, back firing, and poor throttle response. Comes complete with instructions.
* Replaces OEM # 27...
Keihin Carburetor Rebuild Kit. Fits Big Twin 1976-1989 & Sportster 1976-1987.
Regular price
$201.99
Sale price
$201.99
Regular price
Unit price
/per
Features & Benefits:-
* Replaces OEM # 27006-76T
* Sold as a Kit.
Tech Tips:-
* Will Not Fit CV Carburetors.
Proudly Made in the USA by James Gaskets !
MFR PART No: JGI-27006-76
ROLLIES PART...
Thunderjet Kit – Black. Fits S&S D & G Carbs
Regular price
$200.99
Sale price
$200.99
Regular price
Unit price
/per
ThunderJet is a jet-able, externally mounted third fuel circuit that improves the performance of 2-circuit carbs such as the S&S Super. Unmodified, these carbs typically have a low speed, or ...
MAP Sensor. Fits Sportster 2007-2021, Throttle By Wire Touring 2008-2016, Softail 2016-2017 & Dyna Low Rider S 2016-2017
Regular price
$203.99
Sale price
$203.99
Regular price
Unit price
/per
* Sensors meet or exceed OE specifications.
* Replaces OEM # 32319-07
MFR PART No: 18431
ROLLIES PART No: CPL-18431
Air Filter Element. Arlen Ness Big Sucker Intakes for Touring 2017up with factory cover.
Regular price
$200.99
Sale price
$200.99
Regular price
Unit price
/per
Fitment: Arlen Ness Big Sucker Touring Models Intakes with factory cover.
* Each Performance Air Filter is washable / re-useable
* Red Pre-Oiled Filters are made from 4-layers of surgical grade...
Sold Out
BA Air Cleaner Kit – Chrome with Solid Cover. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,508.99
Sale price
$1,508.99
Regular price
Unit price
/per
Fitment:
Fits 2023up Center-Cooled M8 Models with Gen 2 heads & throttle body (Does NOT Fit Road King Models)
With years of experience designing improved intake ports and intake manifolds, br...
Sold Out
BA Air Cleaner Kit – Chrome with Clear Cover. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,506.99
Sale price
$1,506.99
Regular price
Unit price
/per
Fitment:
Fits 2023up Center-Cooled M8 Models with Gen 2 heads & throttle body (Does NOT Fit Road King Models)
With years of experience designing improved intake ports and intake manifolds, br...
BA Air Cleaner Kit – Black with Solid Cover. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,467.99
Sale price
$1,467.99
Regular price
Unit price
/per
Fitment:
Fits 2023up Center-Cooled M8 Models with Gen 2 heads & throttle body (Does NOT Fit Road King Models)
With years of experience designing improved intake ports and intake manifolds, br...
Sold Out
BA Air Cleaner Kit – Black with Clear Cover. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,467.99
Sale price
$1,467.99
Regular price
Unit price
/per
Fitment:
Fits 2023up Center-Cooled M8 Models with Gen 2 heads & throttle body (Does NOT Fit Road King Models)
With years of experience designing improved intake ports and intake manifolds, br...
BA Air Cleaner Kit – Chrome with Solid Cover. Fits Softail 2000-2015, Dyna 1999-2017, Touring 1999-2007 with CV Carb or Cable Operated Delphi EFI
Regular price
$1,383.99
Sale price
$1,383.99
Regular price
Unit price
/per
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...
Sold Out
BA Air Cleaner Kit – Chrome with Clear Cover. Fits Softail 2000-2015, Dyna 1999-2017, Touring 1999-2007 with CV Carb or Cable Operated Delphi EFI
Regular price
$1,383.99
Sale price
$1,383.99
Regular price
Unit price
/per
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...
BA Air Cleaner Kit – Black with Solid Cover. Fits Softail 2000-2015, Dyna 1999-2017, Touring 1999-2007 with CV Carb or Cable Operated Delphi EFI
Regular price
$1,321.99
Sale price
$1,321.99
Regular price
Unit price
/per
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...
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