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Engine & Performance

Choose from Engine & Performance products for Harley-Davidson, American V-twin and compatible motorcycle applications. Across the range you will find products for engine components. Compatibility varies, so match the stated model, year and technical details before ordering.

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£63.50
£63.50 - £63.50
£63.50
£60.45
£60.45 - £60.45
£60.45

MCS 87-99 B.T. Connecting Rod Roller & Retainer Kit – 1987–1999 Evo Big Twin

Only 3 left!

MCS 87-99 B.T. Connecting Rod Roller & Retainer Kit – 1987–1999 Evo Big Twin Steel cages. No oversize rollers available; use oversize crankpins...

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£63.50
£63.50 - £63.50
£63.50
£60.45
£60.45 - £60.45
£60.45
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£34.42
£34.42 - £34.42
£34.42
£32.77
£32.77 - £32.77
£32.77

MCS Pinion Shaft Bearing, XL Sportster. White/Gray – 1987–2022 XL Sportster; 2008–2012 XR1200

Only 3 left!

MCS Pinion Shaft Bearing, XL Sportster. White/Gray – 1987–2022 XL Sportster; 2008–2012 XR1200 Sold with the OEM color code. Replacement late style ...

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£34.42
£34.42 - £34.42
£34.42
£32.77
£32.77 - £32.77
£32.77
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£34.42
£34.42 - £34.42
£34.42
£32.77
£32.77 - £32.77
£32.77

MCS Pinion Shaft Bearing, XL Sportster. Red – 1987–2022 XL Sportster; 2008–2012 XR1200

Only 3 left!

MCS Pinion Shaft Bearing, XL Sportster. Red – 1987–2022 XL Sportster; 2008–2012 XR1200 Sold with the OEM color code. Replacement late style right s...

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£34.42
£34.42 - £34.42
£34.42
£32.77
£32.77 - £32.77
£32.77
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£8.32
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£8.32
£7.91
£7.91 - £7.91
£7.91

EBC Mikuni HSR Pilot Jets, Size 10 – HS40 HSR42/45/48; TMS AND EARLY STYLE…

Only 2 left!

EBC Mikuni HSR Pilot Jets, Size 10 – HS40 HSR42/45/48; TMS AND EARLY STYLE… Size 10. Manufactured by A-BAX Precision Engineering. Fitment HS40 HSR4...

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£8.32
£8.32 - £8.32
£8.32
£7.91
£7.91 - £7.91
£7.91
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£113.52 - £113.52
£113.52
£116.09
£116.09 - £116.09
£116.09

James Gaskets Primary Cover Gasket & Seal Kit. Foamet with Bead – 1994–2006 Softail; 1994–2005 Dyna

Only 3 left!

James Gaskets Primary Cover Gasket & Seal Kit. Foamet with Bead – 1994–2006 Softail; 1994–2005 Dyna Complete outer & inner primary gasket s...

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£113.52 - £113.52
£113.52
£116.09
£116.09 - £116.09
£116.09
£50.81 - £50.81
£50.81
£51.20
£51.20 - £51.20
£51.20

James Gaskets Gasket Primary Cover. .062" Foamet – 1989–2006 Softail; 1991–2005 Dyna

Only 3 left!

James Gaskets Gasket Primary Cover. .062" Foamet – 1989–2006 Softail; 1991–2005 Dyna .062" thick Foamet (Foam Coated Metal) with a silicone bead. F...

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£50.81 - £50.81
£50.81
£51.20
£51.20 - £51.20
£51.20
£113.52 - £113.52
£113.52
£116.09
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£116.09

James Gaskets Primary Cover Gasket & Seal Kit. Foamet with Bead – 1989–1993 Softail; 1991–1993 Dyna

Only 2 left!

James Gaskets Primary Cover Gasket & Seal Kit. Foamet with Bead – 1989–1993 Softail; 1991–1993 Dyna Complete outer & inner primary gasket s...

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£113.52 - £113.52
£113.52
£116.09
£116.09 - £116.09
£116.09
£95.05 - £95.05
£95.05
£95.78
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£95.78

James Gaskets Primary Cover Gasket & Seal Kit. Foamet with Bead – 1966–1984 4-Speed Big Twin; 1986–1988…

Only 3 left!

James Gaskets Primary Cover Gasket & Seal Kit. Foamet with Bead – 1966–1984 4-Speed Big Twin; 1986–1988… De Luxe kit. 9-hole. Complete outer &a...

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£95.05 - £95.05
£95.05
£95.78
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£95.78
£82.82 - £82.82
£82.82
£83.45
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£83.45

James Gaskets Primary Cover Gasket & Seal Kit. Foamet with Bead – 1966–1984 4-Speed Big Twin; 1986–1988…

Only 3 left!

James Gaskets Primary Cover Gasket & Seal Kit. Foamet with Bead – 1966–1984 4-Speed Big Twin; 1986–1988… Basic kit. 9-hole. Complete outer &...

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£82.82 - £82.82
£82.82
£83.45
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£83.45
£50.81 - £50.81
£50.81
£51.20
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£51.20

James Gaskets Gasket Primary Cover. Foamet W/Silicone Bead – 1965–1988 Big Twin

Only 3 left!

James Gaskets Gasket Primary Cover. Foamet W/Silicone Bead – 1965–1988 Big Twin .062" thick Foamet (Foam Coated Metal) with a silicone bead. 9 hole...

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£50.81 - £50.81
£50.81
£51.20
£51.20 - £51.20
£51.20
£95.05 - £95.05
£95.05
£95.78
£95.78 - £95.78
£95.78

James Gaskets Primary Cover Gasket & Seal Kit. Foamet with Bead – 1994–2006 FLT/Touring; 1994 FXR

Only 3 left!

James Gaskets Primary Cover Gasket & Seal Kit. Foamet with Bead – 1994–2006 FLT/Touring; 1994 FXR Complete outer & inner primary gasket set...

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£95.05 - £95.05
£95.05
£95.78
£95.78 - £95.78
£95.78
£50.81 - £50.81
£50.81
£51.20
£51.20 - £51.20
£51.20

James Gaskets Gasket Primary Cover. Foamet/Silicone – 1994 FXR; 1994–2006 FLT/Touring

Only 4 left!

James Gaskets Gasket Primary Cover. Foamet/Silicone – 1994 FXR; 1994–2006 FLT/Touring Foamet (Foam Coated Metal) with a silicone bead. OEM replacem...

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£50.81 - £50.81
£50.81
£51.20
£51.20 - £51.20
£51.20
£461.22 - £461.22
£461.22
£464.76
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£464.76

Paughco Drag Pipes (40"). Chrome – 1991–2005 Dyna

Only 2 left!

Paughco Drag Pipes (40"). Chrome – 1991–2005 Dyna Standard 1 3/4" diameter; slash cut end. Without baffles. Also a good solution to use as head pip...

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£461.22 - £461.22
£461.22
£464.76
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£464.76
£690.74 - £690.74
£690.74
£696.04
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£696.04

Paughco Slash Cut Exhaust (38"). Chrome – 1991–2005 Dyna

Only 2 left!

Paughco Slash Cut Exhaust (38"). Chrome – 1991–2005 Dyna Order Paughco 902811 front & Paughco 902812 rear exh. bracket separately. Re-use or or...

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£690.74 - £690.74
£690.74
£696.04
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£696.04
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£152.69
£152.69 - £152.69
£152.69
£151.65
£151.65 - £151.65
£151.65

MCS Bushing/Bearing Kit, Cam & Gear Shaft 86-90 XL – 1986–1990 XL Sportster

Out of stock

MCS Bushing/Bearing Kit, Cam & Gear Shaft 86-90 XL – 1986–1990 XL Sportster Complete kit to set your cams up right; without missing anything. K...

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£152.69
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£152.69
£151.65
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£151.65
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£180.89 - £180.89
£180.89
£182.29
£182.29 - £182.29
£182.29

MCS Bushing/Bearing Kit, Cam & Gear Shaft 77-85 XL – 1977–1985 XL Sportster

Only 1 left!

MCS Bushing/Bearing Kit, Cam & Gear Shaft 77-85 XL – 1977–1985 XL Sportster Complete kit to set your cams up right; without missing anything. K...

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£180.89 - £180.89
£180.89
£182.29
£182.29 - £182.29
£182.29
£180.89 - £180.89
£180.89
£182.29
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£182.29

MCS Bushing/Bearing Kit, Cam & Gear Shaft 57-76 XL – 1957–1976 XL Sportster

Only 3 left!

MCS Bushing/Bearing Kit, Cam & Gear Shaft 57-76 XL – 1957–1976 XL Sportster Complete kit to set your cams up right; without missing anything. K...

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£180.89 - £180.89
£180.89
£182.29
£182.29 - £182.29
£182.29
£189.80 - £189.80
£189.80
£191.26
£191.26 - £191.26
£191.26

MCS Bushing Kit, Cam & Gear Shaft 52-56 K Models – 1952–1956 K; KH

Only 2 left!

MCS Bushing Kit, Cam & Gear Shaft 52-56 K Models – 1952–1956 K; KH Complete kit to set your cams up right; without missing anything. Kit includ...

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£189.80 - £189.80
£189.80
£191.26
£191.26 - £191.26
£191.26
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£83.48
£83.48 - £83.48
£83.48
£79.48
£79.48 - £79.48
£79.48

MCS Bushing/Bearing Kit, Cam & Gear Shaft 70-72 Shovel – 1970–1972 Shovelhead

Only 2 left!

MCS Bushing/Bearing Kit, Cam & Gear Shaft 70-72 Shovel – 1970–1972 Shovelhead Complete kit to set your cam up right; without missing anything. ...

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£83.48
£83.48 - £83.48
£83.48
£79.48
£79.48 - £79.48
£79.48
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Sold out
£98.53
£98.53 - £98.53
£98.53
£96.47
£96.47 - £96.47
£96.47

MCS Bushing/Bearing Kit, Cam & Gear Shaft 58-69 OHV B.T – 1958–1965 Panhead; 1966–1969 Early…

Out of stock

MCS Bushing/Bearing Kit, Cam & Gear Shaft 58-69 OHV B.T – 1958–1965 Panhead; 1966–1969 Early… Complete kit to set your cam up right; without mi...

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£98.53
£98.53 - £98.53
£98.53
£96.47
£96.47 - £96.47
£96.47
Sold out
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£98.53
£98.53 - £98.53
£98.53
£96.47
£96.47 - £96.47
£96.47

MCS Bushing Kit, Cam & Gear Shaft 54-57 OHV B.T – 1954–1957 Panhead

Only 3 left!

MCS Bushing Kit, Cam & Gear Shaft 54-57 OHV B.T – 1954–1957 Panhead Complete kit to set-up your cam up right; without missing anything. Kit inc...

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£98.53
£98.53 - £98.53
£98.53
£96.47
£96.47 - £96.47
£96.47
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£98.53
£98.53 - £98.53
£98.53
£96.47
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£96.47

MCS Bushing Kit, Cam & Gear Shaft 36-53 OHV B.T – 1936–1947 Knuckelhead; 1948–1953 Panhead

Only 2 left!

MCS Bushing Kit, Cam & Gear Shaft 36-53 OHV B.T – 1936–1947 Knuckelhead; 1948–1953 Panhead Complete kit to set your cam up right; without missi...

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£98.53
£98.53 - £98.53
£98.53
£96.47
£96.47 - £96.47
£96.47
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£152.69
£152.69 - £152.69
£152.69
£151.65
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£151.65

MCS Bushing Kit, Cam & Gear Shaft 37-48 B.T. SV – 1937–1948 U; UL; ULH Big Twin Flathead

Only 3 left!

MCS Bushing Kit, Cam & Gear Shaft 37-48 B.T. SV – 1937–1948 U; UL; ULH Big Twin Flathead Complete kit to set your cam up right; without missing...

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£152.69
£152.69 - £152.69
£152.69
£151.65
£151.65 - £151.65
£151.65
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£72.69 - £72.69
£72.69
£73.25
£73.25 - £73.25
£73.25

James Gaskets Evo Head & Base Gasket Kit. MLS/RCM – 1984–1999 Evo Big Twin

Only 5 left!

James Gaskets Evo Head & Base Gasket Kit. MLS/RCM – 1984–1999 Evo Big Twin Standard 3.5" bore. This gasket kit comes with MLS (Multi Layer Stee...

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£72.69 - £72.69
£72.69
£73.25
£73.25 - £73.25
£73.25

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