Collection:
Milwaukee-eight '24up
54 productsShop the range of aftermarket motorcycle fuel & air system products at Pro Class Custom Parts.
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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
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Cables & Hyd. Lines - Chromite
Chassis & Sheet Metal
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Exhaust - Spare Parts Only
Exhaust - Systems & Mufflers
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- Mufflers (X350)
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Exhaust System 2:1
- Breakout (2:1)
- Dyna (2:1)
- Honda (2:1)
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- Indian Cruiser/Chief (2:1)
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- Yamaha (2:1)
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Exhaust System 2:2
Foot Controls
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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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- 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
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- 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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Lighting
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Seats & Sissy Bars
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Dual Seats
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- 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
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Solo Seats
- Custom or Universal Solo Seats
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- 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
Sold Out
Max HP Air Cleaner Kit – Chrome. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,366.99
Sale price
$1,366.99
Regular price
Unit price
/per
Fitment:
Fits 2023up Center-Cooled M8 Models with Gen 2 heads & throttle body (Does NOT Fit Road King Models)
Features & Benefits:-
* High Flow Element.
* The Max HP air cleaner features ...
Stage 2 Oval Performance Air Filter – Chr. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,255.99
Sale price
$1,255.99
Regular price
Unit price
/per
Fitment:
Fits 2023up Center-Cooled M8 Models with Gen 2 heads & throttle body (Does NOT Fit Road King Models)
Features & Benefits:-
* Complete air cleaner kit, includes backing plate &...
10-Gauge Air Cleaner Kit – Chrome. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,099.99
Sale price
$1,099.99
Regular price
Unit price
/per
The 10-Gauge Inverted Series air cleaner combines the patented Big Sucker technology and an inverted filter top that maximizes airflow by pulling in air from the face of the air cleaner, as well ...
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Big Papi Air Cleaner Kit – Chrome. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,616.99
Sale price
$1,616.99
Regular price
Unit price
/per
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...
Sold Out
C4 Series Air Cleaner Kit – Carbon Fiber. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,526.99
Sale price
$1,526.99
Regular price
Unit price
/per
Fitment:
Fits 2023up Center-Cooled M8 Models with Gen 2 heads & throttle body (Does NOT Fit Road King Models)
Features & Benefits:-
* UV Resistant Carbon Fiber Construction
* CNC Machined...
Oval Air Cleaner Kit – Black. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,476.99
Sale price
$1,476.99
Regular price
Unit price
/per
Fitment:
Fits 2023up Center-Cooled M8 Models with Gen 2 heads & throttle body (Does NOT Fit Road King Models)
Features & Benefits:-
* CNC machined from billet aluminum
* Black finish
* Hi...
Sold Out
90deg VO2 Falcon Air Cleaner Kit – Chrome. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,435.99
Sale price
$1,435.99
Regular price
Unit price
/per
Developed for the performance-minded enthusiast looking for superior bolt-on power and torque, the VO2 Falcon resets the bar for 90° intakes. From its slant-nosed oversized filter for higher volum...
Sold Out
VO2 Onyx Air Cleaner Kit – Wrinkle Black. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,345.99
Sale price
$1,345.99
Regular price
Unit price
/per
Fitment:
Fits 2023up Center-Cooled M8 Models with Gen 2 heads & throttle body (Does NOT Fit Road King Models)
Form and function find perfect balance with the VO2 Onyx from Vance & Hines. ...
Sold Out
Big Papi Air Cleaner Kit – Reverse Cut Black. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,616.99
Sale price
$1,616.99
Regular price
Unit price
/per
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...
Sold Out
Big Papi Air Cleaner Kit – Gloss Black. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,616.99
Sale price
$1,616.99
Regular price
Unit price
/per
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...
Sold Out
Assault Charge High-Flow 68mm Air Cleaner Kit – Chrome. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up When Running The Screamin’ Eagle 68mm Throttle Body
Regular price
$1,496.99
Sale price
$1,496.99
Regular price
Unit price
/per
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...
Sold Out
Assault Charge High-Flow 68mm Air Cleaner Kit – Gloss Black. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up When Running The Screamin’ Eagle 68mm Throttle Body
Regular price
$1,496.99
Sale price
$1,496.99
Regular price
Unit price
/per
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...
Stage 1 Big Sucker Air Cleaner Kit – Black. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$706.99
Sale price
$706.99
Regular price
Unit price
/per
Features & Benefits:-
* All-New next generation backing plate design
* Includes pre-oiled, washable High Flow Element.
* Patent Pending aluminum backing plate that features zero flat surface...
Stage 2 Oval Performance Air Filter – Carbon Fibre. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,399.99
Sale price
$1,399.99
Regular price
Unit price
/per
Fitment:
Fits 2023up Center-Cooled M8 Models with Gen 2 heads & throttle body (Does NOT Fit Road King Models)
Features & Benefits:-
* Complete air cleaner kit, includes backing plate &...
Method Oval Performance Air Filter – Carbon Fibre. Fits CVO Touring 2023up, Street Glide & Road Glide 2024up, Touring 2025up & Softail 2025up
Regular price
$1,399.99
Sale price
$1,399.99
Regular price
Unit price
/per
Fitment:
Fits 2023up Center-Cooled M8 Models with Gen 2 heads & throttle body (Does NOT Fit Road King Models)
Features & Benefits:-
* Complete air cleaner kit, includes backing plate &...
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