Collection:
Chain Drive Primary
223 productsShop the range of aftermarket motorcycle clutch & primary drive 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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Complete Engines
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Exhaust - Spare Parts Only
Exhaust - Systems & Mufflers
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Exhaust Headers
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Exhaust Mufflers
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- Mufflers (Street '15-20)
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- 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)
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- Sportster S (2:1)
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- 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
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Handlebars & Risers H-D
- Handlebar Risers - Black
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- Handlebars 1" - Black
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- 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
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Tailights & Associated
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Seats & Sissy Bars
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Accessories for Seats & S/Bars
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Dual Seats
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- 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
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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
Clutch Basket with 66 Teeth Starter Ring Gear. Fits Big Twin 1936-1984.
Regular price
$799.99
Sale price
$799.99
Regular price
Unit price
/per
* Suggested Additonal Purchase: Clutch Hub # BAI-17-0100AL
* Replaces OEM # 37702-70
Tech Tips:-
* Advanced timing can cause failure of Ring Gear or Pinion Gear teeth
& Starter Clutch
Sold Out
Hydro Clutch, Reduced Effort Hydraulic Slave Cylinder Assembly. Fits Touring 2014-2016, CVO 2013-2016 & Softail-S 2016
Regular price
$748.99
Sale price
$748.99
Regular price
Unit price
/per
After the enormous success of the Power Clutch, it was only logical to develop a relief also for the hydraulic clutches.
The Müller Hydro Clutch is a clutch relief specially adapted for hydrauli...
Outer Primary Cover – Chrome. Fits Softail 1989-1993 & Dyna 1991-1993.
Regular price
$698.99
Sale price
$698.99
Regular price
Unit price
/per
Features & Benefits:-
* Includes starter bush.
* Replaces OEM # 60507-89 & 60543-89
Extra Plate Clutch Kit. Fits Indian Tourers 2014-2020
Regular price
$683.99
Sale price
$683.99
Regular price
Unit price
/per
Features & Benefits:-
* This kit includes 8 Kevlar friction plates, 7 tempered steel plates, a set of 5 heavy duty springs and provides increased clutch capacity and performance.
* The segmen...
Clutch Kit for H-D Assist & Slip Clutch. Fits CVO 2013-2017 & Softail ‘S’ 2016-2017.
Regular price
$664.99
Sale price
$664.99
Regular price
Unit price
/per
Kit Includes:
9 frictions, 8 steels, 3 zero collapse coil type clutch springs.
Fitment:
* 2013up CVO Models
* 2016-2017 “S” Model Softails i.e. FLSS & FLSTBS
* Replaces OEM # 11700002A
* ...
Scorpion Clutch Replacement Clutch Kit. Big Twin 1990-1997.
Regular price
$623.99
Sale price
$623.99
Regular price
Unit price
/per
* Consists of friction plates and steel plates.
Fits Barnett Scorpion Clutch # 608-30-10090
Vision Derby Cover – Black Contrast Cut. Fits Touring 2016up
Regular price
$583.99
Sale price
$583.99
Regular price
Unit price
/per
Vision style Derby Cover from Performance Machine allows you to view the internals of your bike.
* Gloss Black with Contrasting Alloy Accents.
* Direct replacement for your stock derby cover on yo...
Primary Chain Adjuster. Fits Softail 2007-2017 & Dyna 2006-2017.
Regular price
$567.99
Sale price
$567.99
Regular price
Unit price
/per
Features & Benefits:-
* Avoid overtightened primary chain engine issues
* Precision machined from billet aluminum with Delrin slider
* Quick and easy adjustments
* Heavy duty components
* Moun...
Scorpion Clutch Replacement Clutch Kit. Fits Big Twin 1936-E1984.
Regular price
$548.99
Sale price
$548.99
Regular price
Unit price
/per
* Consists of friction plates and steel plates.
* Fits Barnett Scorpion Clutch # 608-30-10036
Power Clutch. Fits Sportster 1986-1993
Regular price
$487.99
Sale price
$487.99
Regular price
Unit price
/per
* Lifetime guarantee
* On average 40% less manual force when pulling in the clutch lever
* Quick, easy installation
* Replaces OEM inner and outer ramp assemblies
* 100% made in Germany
Suggested...
Clutch Kit. Fits XR1200 2009-2013, Buell XB9R 2003-2010 & XB12R 2004-2010.
Regular price
$486.99
Sale price
$486.99
Regular price
Unit price
/per
This kit fits 2003 to Present Buell XB9 and XB12. IT DOES NOT FIT BUELL BLAST! Kit includes 8 race proven material friction plates on tempered steel cores. Starburst groove pattern for maximum hea...
Sold Out
High Pressure Clutch Spring Power Plate Kit – Black. Fits CVO Big Twin 2013up, ‘S’ Models 2016up, Softail 2018up & Touring 2017up.
Regular price
$398.99
Sale price
$398.99
Regular price
Unit price
/per
Features & Benefits:-
* Designed for high output M8 engines
* Race engineered and race track proven
* Eliminates clutch slippage
* Cost effective solution when upgrading the clutch
* Looks ama...
Kevlar Friction Plates. Fits Sportster 1984-1990.
Regular price
$411.99
Sale price
$411.99
Regular price
Unit price
/per
* 7 Kevlar friction plates with 6061 T6 aluminum cores
* Maximum groove pattern for superior heat dissipation & oil circulation
* Replaces OEM # 36788-84
5-Hole OG Billet Derby Cover – Black. Fits Softail 2019up.
Regular price
$333.99
Sale price
$333.99
Regular price
Unit price
/per
Features & Benefits:-
* Made in Los Angeles, CA
* Aircraft Grade 6061 Aluminum
* Hard Black Anodized and back in the machine for twice cut.
* Uses Stock Gasket and hardware.
Fitment:
Fits Sof...
92 Link Primary Chain. Fits Softail 2007up & Dyna 2006-2017
Regular price
$316.99
Sale price
$316.99
Regular price
Unit price
/per
* Replaces OEM # 40036-06A
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