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Primary Drive Systems & Parts

Compare the available options in the Primary Drive Systems & Parts range for Harley-Davidson, American V-twin and compatible motorcycle applications. Product choices in this section include gaskets, seals and service parts and clutch and transmission parts. Compatibility varies, so match the stated model, year and technical details before ordering.

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Kuryakyn Precision Inner Primary Cover In Chrome For Harley-Davidson 2018-2023 Softail Motorcycles Save 8% Save %
Ā£175.19
Ā£175.19 - Ā£175.19
Ā£175.19
Ā£160.44
Ā£160.44 - Ā£160.44
Ā£160.44

Kuryakyn PrecisionĀ® Inner Primary Cover - Aluminum, Each - Chrome for Harley-Davidson Softail, Dyna & FXR 2018-2026

Low stock

DescriptionPrecisionĀ® Inner Primary Cover Cover the wrinkle black inner primary with a smooth, contoured design that seamlessly forms to the contou...

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Ā£175.19
Ā£175.19 - Ā£175.19
Ā£175.19
Ā£160.44
Ā£160.44 - Ā£160.44
Ā£160.44
Save 8% Save %
Kuryakyn Inner Primary Cover In Gloss Black For 2017-2023 Touring & Trike Models Save 8% Save %
Ā£175.19
Ā£175.19 - Ā£175.19
Ā£175.19
Ā£160.44
Ā£160.44 - Ā£160.44
Ā£160.44

Kuryakyn PrecisionĀ® Inner Primary Cover - Aluminum, Each - Gloss Black for Harley-Davidson Touring & Trike 2017-2026

In stock

DescriptionPrecisionĀ® Inner Primary Cover Cover the wrinkle black inner primary with a smooth, contoured design that seamlessly forms to the contou...

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Ā£175.19
Ā£175.19 - Ā£175.19
Ā£175.19
Ā£160.44
Ā£160.44 - Ā£160.44
Ā£160.44
Save 8% Save %
Kuryakyn VHB Service Kit For Inner Primary Cover In Black For Indian 2014-2020 Models (Except Scout) Save 8% Save %
Ā£13.70
Ā£13.70 - Ā£13.70
Ā£13.70
Ā£12.55
Ā£12.55 - Ā£12.55
Ā£12.55

Kuryakyn VHB Service Kit For Inner Primary Cover In Black For Indian 2014-2020 Models (Except Scout) #KUR5739

Low stock

DescriptionInner Primary Cover Service KitService kit for Kuryakyn Inner Primary Cover for IndianSpecificationsRiding Style : StreetType : Inner Pr...

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Ā£13.70
Ā£13.70 - Ā£13.70
Ā£13.70
Ā£12.55
Ā£12.55 - Ā£12.55
Ā£12.55
Save 8% Save %
Kuryakyn Inner Primary Cover In Chrome For 2017-2023 Touring & Trike Models Save 8% Save %
Ā£175.19
Ā£175.19 - Ā£175.19
Ā£175.19
Ā£160.44
Ā£160.44 - Ā£160.44
Ā£160.44

Kuryakyn PrecisionĀ® Inner Primary Cover - Aluminum, Each - Chrome for Harley-Davidson Touring & Trike 2017-2026

In stock

DescriptionPrecisionĀ® Inner Primary Cover Cover the wrinkle black inner primary with a smooth, contoured design that seamlessly forms to the contou...

View full details
Ā£175.19
Ā£175.19 - Ā£175.19
Ā£175.19
Ā£160.44
Ā£160.44 - Ā£160.44
Ā£160.44
Save 8% Save %
S&S Cycle Transmission Mainshaft Bearing Race for Various Various Harley-Davidson Motorcycles (See Fitment List)
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Ā£89.02
Ā£89.02 - Ā£89.02
Ā£89.02
Ā£81.53
Ā£81.53 - Ā£81.53
Ā£81.53

S&S Cycle Inner Primary Main Shaft Bearing Race - Bearing / Inner Primary / Main Shaft, Each for Harley-Davidson Touring, Softail, Dyna & Trike 2008-2023

In stock

DescriptionInner Primary Main Shaft Bearing Race Eliminates bearing race movement that can cause costly damage to transmission seal and output bear...

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Ā£89.02
Ā£89.02 - Ā£89.02
Ā£89.02
Ā£81.53
Ā£81.53 - Ā£81.53
Ā£81.53
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Kuryakyn Two Piece Inner Primary Cover In Chrome For Harley-Davidson 2007-2008 Touring Motorcycles
Save 8% Save %
Ā£175.19
Ā£175.19 - Ā£175.19
Ā£175.19
Ā£160.44
Ā£160.44 - Ā£160.44
Ā£160.44

Kuryakyn Inner Primary Cover - Aluminum, Each - Chrome for Harley-Davidson Touring 2007-2008

Low stock

DescriptionInner Primary Cover Go for the smooth look with this easy-to-install cover that transforms the looks of your ride in minutes Made from q...

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Ā£175.19
Ā£175.19 - Ā£175.19
Ā£175.19
Ā£160.44
Ā£160.44 - Ā£160.44
Ā£160.44
Save 8% Save %
Kuryakyn Inner Primary Cover In Chrome For Harley-Davidson 2007-2017 Softail Motorcycles
Save 8% Save %
Ā£175.19
Ā£175.19 - Ā£175.19
Ā£175.19
Ā£160.44
Ā£160.44 - Ā£160.44
Ā£160.44

Kuryakyn Inner Primary Cover - Each, Aluminum - Chrome for Harley-Davidson Softail 2007-2017

Low stock

DescriptionInner Primary Cover Go for the smooth look with this easy-to-install cover that transforms the looks of your ride in minutes Made from q...

View full details
Ā£175.19
Ā£175.19 - Ā£175.19
Ā£175.19
Ā£160.44
Ā£160.44 - Ā£160.44
Ā£160.44
Save 8% Save %
S&S Cycle High Performance Inner Primary Mainshaft Bearing Race for Various Various Harley-Davidson Motorcycles (See Fitment List)
Save 8% Save %
Ā£85.59
Ā£85.59 - Ā£85.59
Ā£85.59
Ā£78.38
Ā£78.38 - Ā£78.38
Ā£78.38

S&S Cycle Inner Primary Main Shaft Bearing Race - Bearing / Inner Primary / Main Shaft, Each for Harley-Davidson Touring, Softail, Dyna & FXR 1991-2006

In stock

DescriptionInner Primary Main Shaft Bearing Race Eliminates bearing race movement that can cause costly damage to transmission seal and output bear...

View full details
Ā£85.59
Ā£85.59 - Ā£85.59
Ā£85.59
Ā£78.38
Ā£78.38 - Ā£78.38
Ā£78.38
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Drag Specialties Primary Chain Adjuster for XL for 1957-1976 Harley-Davidson Sportster XL Motorcycles
Sold out
Ā£21.41 - Ā£21.41
Ā£21.41
Ā£21.74
Ā£21.74 - Ā£21.74
Ā£21.74

Drag Specialties Primary Chain Adjuster for XL for 1957-1976 Harley-Davidson Sportster XL Motorcycles - 71517

Out of stock

Replaces OEM adjusterPart NumbersItem Number: DS192004Vendor Part Number: 71517Barcode Number: 71517SC3OEM Number: 39975-52B

Ā£21.41 - Ā£21.41
Ā£21.41
Ā£21.74
Ā£21.74 - Ā£21.74
Ā£21.74
Sold out
Drag Specialties Primary Chain Adjuster Kit Fits Harley-Davidson Dyna, Softail, Touring Models 1999-2000
Save 1% Save %
Ā£82.08
Ā£82.08 - Ā£82.08
Ā£82.08
Ā£81.58
Ā£81.58 - Ā£81.58
Ā£81.58

Drag Specialties Primary Chain Adjuster Kit - Tensioner KT PRMY BT for Harley-Davidson Touring, Softail & Dyna 1999-2000

In stock

DescriptionPrimary Chain Adjuster Kit Auto-adjust style kit Used for updating an old adjuster system or when building a new bike from the ground up...

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Ā£82.08
Ā£82.08 - Ā£82.08
Ā£82.08
Ā£81.58
Ā£81.58 - Ā£81.58
Ā£81.58
Save 1% Save %
Drag Specialties Primary Chain Adjuster Kit Fits Harley-Davidson Softail Models 2001-2007
Save 1% Save %
Ā£56.69
Ā£56.69 - Ā£56.69
Ā£56.69
Ā£56.35
Ā£56.35 - Ā£56.35
Ā£56.35

Drag Specialties Primary Chain Adjuster Kit - Tensioner KT PRMY 01-06 for Harley-Davidson Softail 2001-2007

Low stock

DescriptionPrimary Chain Adjuster Kit Auto-adjust style kit Used for updating an old adjuster system or when building a new bike from the ground up...

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Ā£56.69
Ā£56.69 - Ā£56.69
Ā£56.69
Ā£56.35
Ā£56.35 - Ā£56.35
Ā£56.35
Save 1% Save %
Replacement Primary Drive Belt
Sold out
Ā£0.00 - Ā£0.00
Ā£0.00
Ā£153.20
Ā£153.20 - Ā£153.20
Ā£153.20

Replacement Primary Drive Belt

Out of stock

Replacement Primary Drive BeltFor BDL primary drives

Ā£0.00 - Ā£0.00
Ā£0.00
Ā£153.20
Ā£153.20 - Ā£153.20
Ā£153.20
Sold out
2" Belt Drive Kit with Top Belt Guard
Sold out
Ā£0.00 - Ā£0.00
Ā£0.00
Ā£2,728.08
Ā£2,728.08 - Ā£2,728.08
Ā£2,728.08

2" Belt Drive Kit with Top Belt Guard

Out of stock

Made in the U.S.A.

Ā£0.00 - Ā£0.00
Ā£0.00
Ā£2,728.08
Ā£2,728.08 - Ā£2,728.08
Ā£2,728.08
Sold out
2" Open Belt Drive Kit
Sold out
Ā£0.00 - Ā£0.00
Ā£0.00
Ā£2,303.63
Ā£2,303.63 - Ā£2,303.63
Ā£2,303.63

2" Open Belt Drive Kit

Out of stock

2" Open Belt Drive KitBall-bearing lockup clutch provides approximately 60% more surface contact area than the stock clutch for smooth, sure power ...

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Ā£0.00 - Ā£0.00
Ā£0.00
Ā£2,303.63
Ā£2,303.63 - Ā£2,303.63
Ā£2,303.63
Sold out
Drag Specialties Primary Chain Adjuster Fits Harley-Davidson Sportster Models 1990-2003
Ā£36.64 - Ā£36.64
Ā£36.64
Ā£37.20
Ā£37.20 - Ā£37.20
Ā£37.20

Drag Specialties Primary Chain Adjuster - Each, Steel - Silver / White / Zinc for Harley-Davidson Sportster 1990-2003

In stock

DescriptionPrimary Chain Adjuster Includes bracket shoe and all required hardware Zinc-plated Replaces OEM adjuster SpecificationsUnits : EachProdu...

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Ā£36.64 - Ā£36.64
Ā£36.64
Ā£37.20
Ā£37.20 - Ā£37.20
Ā£37.20
Ā£83.97 - Ā£83.97
Ā£83.97
Ā£85.24
Ā£85.24 - Ā£85.24
Ā£85.24

Drag Specialties Compensator Sprocket Spring Pack - Spring PK Cmpnstr 09-22 - Gray for Harley-Davidson Touring 2016

In stock

DescriptionCompensator Sprocket Spring Pack High Quality OEM replacement component Can also be used as a replacement for the spring pack found in D...

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Ā£83.97 - Ā£83.97
Ā£83.97
Ā£85.24
Ā£85.24 - Ā£85.24
Ā£85.24
Save 8% Save %
Ā£189.85
Ā£189.85 - Ā£189.85
Ā£189.85
Ā£173.92
Ā£173.92 - Ā£173.92
Ā£173.92

Baker Drivetrain Primary Rebuild Kit - Primary Rebuild KT M8 FL for Harley-Davidson Touring 2017-2024

In stock

DescriptionPrimary Rebuild Kit An all-inclusive convenient kit designed to freshen up those high mileage bikes, prevent leakage and includes everyt...

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Ā£189.85
Ā£189.85 - Ā£189.85
Ā£189.85
Ā£173.92
Ā£173.92 - Ā£173.92
Ā£173.92
Save 8% Save %
Save 8% Save %
Ā£182.03
Ā£182.03 - Ā£182.03
Ā£182.03
Ā£166.77
Ā£166.77 - Ā£166.77
Ā£166.77

Baker Drivetrain Primary Rebuild Kit - Primary Rebuild KT M8 ST for Harley-Davidson Softail & Dyna 2018-2026

In stock

DescriptionPrimary Rebuild Kit An all-inclusive convenient kit designed to freshen up those high mileage bikes, prevent leakage and includes everyt...

View full details
Ā£182.03
Ā£182.03 - Ā£182.03
Ā£182.03
Ā£166.77
Ā£166.77 - Ā£166.77
Ā£166.77
Save 8% Save %
Save 8% Save %
Ā£169.47
Ā£169.47 - Ā£169.47
Ā£169.47
Ā£155.17
Ā£155.17 - Ā£155.17
Ā£155.17

Baker Drivetrain Primary Rebuild Kit - Primary Rebuild KT 94-6 for Harley-Davidson Softail & Dyna 1994-2006

In stock

DescriptionPrimary Rebuild Kit An all-inclusive convenient kit designed to freshen up those high mileage bikes, prevent leakage and includes everyt...

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Ā£169.47
Ā£169.47 - Ā£169.47
Ā£169.47
Ā£155.17
Ā£155.17 - Ā£155.17
Ā£155.17
Save 8% Save %
Save 8% Save %
Ā£151.61
Ā£151.61 - Ā£151.61
Ā£151.61
Ā£138.89
Ā£138.89 - Ā£138.89
Ā£138.89

Baker Drivetrain Primary Rebuild Kit - Primary Rebuild KT 6-17 for Harley-Davidson Softail & Dyna 2006-2017

In stock

DescriptionPrimary Rebuild Kit An all-inclusive convenient kit designed to freshen up those high mileage bikes, prevent leakage and includes everyt...

View full details
Ā£151.61
Ā£151.61 - Ā£151.61
Ā£151.61
Ā£138.89
Ā£138.89 - Ā£138.89
Ā£138.89
Save 8% Save %
Save 8% Save %
Ā£151.61
Ā£151.61 - Ā£151.61
Ā£151.61
Ā£138.89
Ā£138.89 - Ā£138.89
Ā£138.89

Baker Drivetrain Primary Rebuild Kit - Primary Rebuild KT 7-16fl for Harley-Davidson Touring 2007-2016

In stock

DescriptionPrimary Rebuild Kit An all-inclusive convenient kit designed to freshen up those high mileage bikes, prevent leakage and includes everyt...

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Ā£151.61
Ā£151.61 - Ā£151.61
Ā£151.61
Ā£138.89
Ā£138.89 - Ā£138.89
Ā£138.89
Save 8% Save %
Ā£10.00 - Ā£10.00
Ā£10.00
Ā£10.15
Ā£10.15 - Ā£10.15
Ā£10.15

Drag Specialties Outer Primary Starter Shaft Bushing - Each, Inner Primary / Starter Shaft, Steel - Silver for Harley-Davidson Touring, Softail, Dyna & FXR 1989-1993

In stock

DescriptionOuter Primary Starter Shaft BushingQuality replacement steel bushingsSpecificationsMaterial : SteelUnits : EachFeatures : 1" OD; 0.875" ...

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Ā£10.00 - Ā£10.00
Ā£10.00
Ā£10.15
Ā£10.15 - Ā£10.15
Ā£10.15
Ā£9.32 - Ā£9.32
Ā£9.32
Ā£9.46
Ā£9.46 - Ā£9.46
Ā£9.46

Drag Specialties Outer Primary Starter Shaft Bushing - Inner Primary / Starter Shaft, Each, Steel - Silver for Harley-Davidson Touring, Softail, Dyna & FXR 1994-2006

In stock

DescriptionOuter Primary Starter Shaft BushingQuality replacement steel bushingsSpecificationsRiding Style : StreetProduct Name : BushingFeatures :...

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Ā£9.32 - Ā£9.32
Ā£9.32
Ā£9.46
Ā£9.46 - Ā£9.46
Ā£9.46
Ā£13.48 - Ā£13.48
Ā£13.48
Ā£13.68
Ā£13.68 - Ā£13.68
Ā£13.68

Drag Specialties Inner Primary Bushing - Each, Steel for Harley-Davidson Touring, Softail, Dyna & FXR 1989-1993

In stock

DescriptionInner Primary BushingQuality replacement steel bushingsSpecificationsProduct Name : BushingRiding Style : StreetMaterial : SteelType : I...

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Ā£13.48 - Ā£13.48
Ā£13.48
Ā£13.68
Ā£13.68 - Ā£13.68
Ā£13.68

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