Collection:
Primary Belt Drive Kits
18 productsShop the range of aftermarket motorcycle clutch & primary drive products at Pro Class Custom Parts.
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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
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Rear Shocks: Dyna
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Rear Shocks: FLH
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XL'79-03
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Transmission - BT 4 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
3in. Open Belt Drive Kit. Fits Big Twin 1955-1984.
Regular price
$1,638.99
Sale price
$1,638.99
Regular price
Unit price
/per
Features & Benefits:-
* Re-uses your original 3, 5 or 10 Stud Dry Clutch
* Includes a big fix bearing kit
Tech Tips:-
* Primary Drive Ratio of 1.62 vs Stock of 1.53 provides more torque.
* Fi...
Sold Out
Closed Belt Drive Kit. Fits 4Spd Big Twin 1979-1984 with Rear Chain Drive.
Regular price
$1,604.99
Sale price
$1,604.99
Regular price
Unit price
/per
* Fits chain final drive models only
* Re-Uses OEM Clutch
* Our 8mm belt drives have been around for many years. Most belt drive enthusiasts still think that these units are the best size and comb...
Sold Out
Closed Belt Drive Kit. Fits Big Twin 1936-1954 with Tapered Engine Shaft.
Regular price
$1,381.99
Sale price
$1,381.99
Regular price
Unit price
/per
* Re-Uses OEM Clutch
* Our 8mm belt drives have been around for many years. Most belt drive enthusiasts still think that these units are the best size and combination for all around riding and dep...
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