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Drivetrain

View our current Drivetrain selection for Harley-Davidson, American V-twin and compatible motorcycle applications. The collection draws together products used for clutch and transmission parts. Use the individual product specifications and fitment notes to confirm the correct application.

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£11.64
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£11.13
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£11.13

MCS Pushrod Clutch, Centre – 80-E84 5-Speed Big Twin

Low stock

Description OEM replacement reference 37088-79 Fitment 80-E84 5-speed Big Twin (NU) Product Details Brand: MCS Category: DRIVE LINE-CLUTCH > ...

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£11.64
£11.64 - £11.64
£11.64
£11.13
£11.13 - £11.13
£11.13
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£31.95
£31.95 - £31.95
£31.95
£29.53
£29.53 - £29.53
£29.53

Belt Drives Ltd. Clutch Adj. Screw & Locknut – All Bdl Chain Drive Clutches with Coil…

Out of stock

Description 2 1/2" overall length Fitment ALL BDL CHAIN DRIVE CLUTCHES WITH COIL SPRINGS OR BALL BEARING STYLE PRESSURE PLATES; 518758 COMPETITOR C...

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£31.95
£31.95 - £31.95
£31.95
£29.53
£29.53 - £29.53
£29.53
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£7.47
£7.47 - £7.47
£7.47
£6.47
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£6.47

MCS Pushrod End, Clutch. Left Side – L1984–1986 4-Speed Big Twin; L1984–1997…

Low stock

Description L84-89 style; additionally order 517447 when installing on 90-97 models. OEM replacement reference 37090-98. Fitment L84-86 4-speed Big...

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£7.47
£7.47 - £7.47
£7.47
£6.47
£6.47 - £6.47
£6.47
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£8.47
£8.47 - £8.47
£8.47
£8.10
£8.10 - £8.10
£8.10

MCS Pushrod End, Clutch. Left Side – 80-E84 5-Speed Big Twin

Low stock

Description OEM replacement reference 37090-79 Fitment 80-E84 5-speed Big Twin (NU) Product Details Brand: MCS Category: DRIVE LINE-CLUTCH > ...

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£8.47
£8.47 - £8.47
£8.47
£8.10
£8.10 - £8.10
£8.10
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£34.02
£34.02 - £34.02
£34.02
£33.69
£33.69 - £33.69
£33.69

James Gaskets Oil Seal Clutch Hub Nut – 1936–1964 Ohv Big Twin; 1936–1948 74"…

Low stock

Description OEM replacement reference 37337-36 (2461-36) Fitment 36-64 OHV Big Twin; 36-48 74" Flathead (NU) Product Details Brand: James Gaskets...

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£34.02
£34.02 - £34.02
£34.02
£33.69
£33.69 - £33.69
£33.69
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£21.81
£21.81 - £21.81
£21.81
£20.85
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£20.85

MCS Clutch Inner Ramp – 71-E84 XL Sportster

Low stock

Description Clutch inner ramp Fitment 71-E84 XL Sportster (NU) Product Details Brand: MCS Category: DRIVE LINE-CLUTCH > CLUTCH MISC Unit: 1 ...

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£21.81
£21.81 - £21.81
£21.81
£20.85
£20.85 - £20.85
£20.85
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£9.70
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£9.70
£8.68
£8.68 - £8.68
£8.68

MCS Clutch Outer Ramp – 1971–1984 XL Sportster

Low stock

Description Clutch outer ramp Fitment 71-84 XL Sportster (NU) Product Details Brand: MCS Category: DRIVE LINE-CLUTCH > CLUTCH MISC Unit: 1 ...

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£9.70
£9.70 - £9.70
£9.70
£8.68
£8.68 - £8.68
£8.68
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£21.40
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£21.40
£19.40
£19.40 - £19.40
£19.40

MCS Clutch Release Lever Rod. Chrome – 65-E78 Big Twin with Foot Clutch

In stock

Description Pull rod clutch lever; complete with rod end and jam nut16-7/8" long. OEM replacement reference 36917-65 (rod) and 36916-36 (rod end) F...

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£21.40
£21.40 - £21.40
£21.40
£19.40
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£19.40
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£42.50 - £42.50
£42.50
£43.23
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£43.23

MCS Clutch Release Lever. Chrome – 65-E79 Big Twin with Foot Clutch (with…

Low stock

Description 65-67 Big Twin style. OEM replacement reference 37052-65 Fitment 65-E79 Big Twin with foot clutch (with aluminum primary) or mousetrap ...

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£42.50 - £42.50
£42.50
£43.23
£43.23 - £43.23
£43.23
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£10.37
£10.37 - £10.37
£10.37
£9.91
£9.91 - £9.91
£9.91

MCS Jam Nut, Clutch Adjusting Crew – 2018–2026 Softail; 1984–2017 5&6-SPEED…

Low stock

Description 7/16-20 x 1/4 x 11/16. OEM replacement reference 7848W Fitment 18-26 Softail; 84-17 (NU) 5&6-speed Big Twin; 21-26 FLT/Touring &...

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£10.37
£10.37 - £10.37
£10.37
£9.91
£9.91 - £9.91
£9.91
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£16.37 - £16.37
£16.37
£17.38
£17.38 - £17.38
£17.38

MCS Clutch Hub Nut – L1984–1989 Big Twin

Low stock

Description Replacement clutch hub nut (mainshaft nut(. OEM replacement reference 37496-84. Fitment L84-89 Big Twin (NU) Product Details Brand: M...

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£16.37 - £16.37
£16.37
£17.38
£17.38 - £17.38
£17.38
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£7.57
£7.57 - £7.57
£7.57
£6.56
£6.56 - £6.56
£6.56

MCS Clutch Springs Set – 68-E84 Big Twin

Low stock

Description OEM replacement reference 37077-68 Fitment 68-E84 Big Twin (NU) Product Details Brand: MCS Category: DRIVE LINE-CLUTCH > CLUTCH S...

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£7.57
£7.57 - £7.57
£7.57
£6.56
£6.56 - £6.56
£6.56
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£36.06 - £36.06
£36.06
£37.47
£37.47 - £37.47
£37.47

Barnett Diaphragm Clutch Spring. Heavy Duty – 1984–1989 Big Twin

In stock

Description 25% stronger than stock. Suitable for street applications. Heavy Duty replacement for OEM 37871-84 and 37875-86A. Fitment 84-89 Big Twi...

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£36.06 - £36.06
£36.06
£37.47
£37.47 - £37.47
£37.47
£21.84 - £21.84
£21.84
£31.18
£31.18 - £31.18
£31.18

MCS Clutch Spring Cup Set – 1952–1954 K Model; 1954–1956 KH…

Low stock

Description Set of 6 cups. OEM replacement reference 38101-52. 38101-52T Fitment 52-54 K model; 54-56 KH; 57-70 XL Sportster (NU) Product Details ...

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£21.84 - £21.84
£21.84
£31.18
£31.18 - £31.18
£31.18
£20.02 - £20.02
£20.02
£20.88
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£20.88

MCS Clutch Adj.plate, 7/16 Thread – 1984–1989 Big Twin and 1984–2000 Big…

Low stock

Description Clutch adj.plate, 7/16 thread Fitment 84-89 (NU) Big Twin and 84-00 Big Twin with Belt Drives LTD. ETC clutch Product Details Brand: ...

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£20.02 - £20.02
£20.02
£20.88
£20.88 - £20.88
£20.88
£6.41 - £6.41
£6.41
£7.89
£7.89 - £7.89
£7.89

MCS Seat, Clutch Spring – 1990–1997 Big Twin; 1991–2022 XL…

In stock

Description OEM replacement reference 37872-90 Fitment 90-97 Big Twin; 91-22 XL Sportster; 08-12 XR1200 (NU) Product Details Brand: MCS Category...

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£6.41 - £6.41
£6.41
£7.89
£7.89 - £7.89
£7.89
£26.09 - £26.09
£26.09
£26.55
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£26.55

MCS Diaphragm Clutch Spring – 1990–1997 Big Twin

Low stock

Description 1.8mm. Standard replacement. OEM replacement reference 37971-90 Fitment 90-97 Big Twin (NU) Product Details Brand: MCS Category: DRI...

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£26.09 - £26.09
£26.09
£26.55
£26.55 - £26.55
£26.55
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£321.03
£321.03 - £321.03
£321.03
£317.90
£317.90 - £317.90
£317.90

MCS Clutch Shell with Sprocket – 1985–1989 Big Twin

In stock

Description With bearing & snap ring. OEM style replacement clutch basket & sprocket. OEM replacement reference 37707-84A. Fitment 85-89 Bi...

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£321.03
£321.03 - £321.03
£321.03
£317.90
£317.90 - £317.90
£317.90
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£265.92
£265.92 - £265.92
£265.92
£263.32
£263.32 - £263.32
£263.32

MCS Clutch Shell with Sprocket – 1994–1997 Big Twin

Low stock

Description 102T. Clutch basket with bearing. Replacement reference 37707-94. Fitment 94-97 Big Twin (NU) Product Details Brand: MCS Category: D...

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£265.92
£265.92 - £265.92
£265.92
£263.32
£263.32 - £263.32
£263.32
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£471.03 - £471.03
£471.03
£483.71
£483.71 - £483.71
£483.71

Barnett 90-97 Scorpion Clutch Basket. 66t/37t – 1990–1997 Big Twin

Out of stock

Description - 66 tooth starter ring gear - 37 tooth primary chain drive sprocket- With stock ratio primary chain drive sprocket - Machined from one...

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£471.03 - £471.03
£471.03
£483.71
£483.71 - £483.71
£483.71
Sold out
£403.57 - £403.57
£403.57
£414.43
£414.43 - £414.43
£414.43

Barnett 90-97 Scorpion Clutch Basket. 84t/37t – 1990–1997 Big Twin

Low stock

Description - 84 tooth starter ring gear - 37 tooth primary chain drive sprocket - With stock ratio primary chain drive sprocket - Machined from on...

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£403.57 - £403.57
£403.57
£414.43
£414.43 - £414.43
£414.43
£593.42 - £593.42
£593.42
£609.40
£609.40 - £609.40
£609.40

Barnett 90-97 Scorpion Clutch Basket. 84t/36t – 1990–1997 Big Twin

Low stock

Description - 84 tooth starter ring gear - 36 tooth primary chain drive sprocket - With stock ratio primary chain drive sprocket - Machined from on...

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£593.42 - £593.42
£593.42
£609.40
£609.40 - £609.40
£609.40
£593.42 - £593.42
£593.42
£609.40
£609.40 - £609.40
£609.40

Barnett 90-97 Scorpion Clutch Basket. 102t/37t – 1990–1997 Big Twin

Low stock

Description - 102 tooth starter ring gear - 37 tooth primary chain drive sprocket - With stock ratio primary chain drive sprocket - Machined from o...

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£593.42 - £593.42
£593.42
£609.40
£609.40 - £609.40
£609.40
Sold out
£822.14 - £822.14
£822.14
£844.27
£844.27 - £844.27
£844.27

Barnett 90-97 Scorpion Clutch Basket. 102t/36t – 1990–1997 Big Twin

Out of stock

Description - 102 tooth starter ring gear - 36 tooth primary chain drive sprocket- With stock ratio primary chain drive sprocket - Machined from on...

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£822.14 - £822.14
£822.14
£844.27
£844.27 - £844.27
£844.27
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