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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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£22.06
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£22.06
£21.76
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£21.76

James Gaskets Carburetor to Manifold Spacer Block O-ring. Tillotson – 66-E71 FL; XL Sportster with OEM…

Only 2 left!

James Gaskets Carburetor to Manifold Spacer Block O-ring. Tillotson – 66-E71 FL; XL Sportster with OEM… 2 used. For spacer block mount Tillotson ca...

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£22.06
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£22.06
£21.76
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£21.76
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£558.32 - £558.32
£558.32
£562.61
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£562.61

Jagg Oil Cooler Kit. Vertical Mount, 6 Row, Deluxe Diamond – 1955–1983 Big Twin; 1982–1994 FXR…

Out of stock

Jagg Oil Cooler Kit. Vertical Mount, 6 Row, Deluxe Diamond – 1955–1983 Big Twin; 1982–1994 FXR… Black Diamond. Non-fan assisted. Vertical frame mou...

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£558.32 - £558.32
£558.32
£562.61
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£562.61
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£405.96 - £405.96
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£409.08
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£409.08

Jagg Oil Cooler Kit. Vertical Mount, 6 Row, Slimline – 1955–1983 Big Twin; 1982–1994 FXR…

Only 1 left!

Jagg Oil Cooler Kit. Vertical Mount, 6 Row, Slimline – 1955–1983 Big Twin; 1982–1994 FXR… Black. Non-fan assisted. Vertical frame mounted. Kit incl...

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£405.96 - £405.96
£405.96
£409.08
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£409.08
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£12.20
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£12.20
£11.22
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£11.22

Jagg Offset Oil Filter Adapter Gasket Kit – H-D with 970733 Jagg Offset Oil Filter…

Only 1 left!

Jagg Offset Oil Filter Adapter Gasket Kit – H-D with 970733 Jagg Offset Oil Filter… Gasket service kit for 970733 Jagg offset oil filter adapter Fi...

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£12.20
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£12.20
£11.22
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£11.22
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£29.10
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£28.29

MCS High Speed Needle, Linkert Carb – L1950–1965 PANHEAD

Only 2 left!

MCS High Speed Needle, Linkert Carb – L1950–1965 PANHEAD M-61; 74; 74b carbs Fitment L50-65 PANHEAD (NU) Product Details Brand: MCS Category: IN...

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£29.10
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£29.10
£28.29
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£16.53
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£16.07
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£16.07

MCS U-nut, Intake Lever Stud Nut – 1936–1957 OHV Big Twin

Out of stock

MCS U-nut, Intake Lever Stud Nut – 1936–1957 OHV Big Twin Linkert carbs Fitment 36-57 OHV Big Twin (NU) Product Details Brand: MCS Category: INT...

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£16.53
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£16.07
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£16.07
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£31.77
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£31.77
£31.32
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£31.32

James Gaskets Gasket Inspection Cover. .060" Foamet – 1965–2006 Big Twin

Only 3 left!

James Gaskets Gasket Inspection Cover. .060" Foamet – 1965–2006 Big Twin .060" thick Foamet (Foam Coated Metal) with a single sided silicone bead. ...

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£31.77
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£31.77
£31.32
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£31.32
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£207.41 - £207.41
£207.41
£212.10
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£212.10

James Gaskets Motor Gasket & Seal Kit. XL883/1200 – 2007–2022 XL883/1200

Only 3 left!

James Gaskets Motor Gasket & Seal Kit. XL883/1200 – 2007–2022 XL883/1200 0.045" head gaskets for both 883cc and 1200cc engines; RCM (Rubber Coa...

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£207.41
£212.10
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£93.27
£93.99
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£93.99

James Gaskets Top End Gasket Kit. Evo B.T – 1984–1991 Evo Big Twin

Only 3 left!

James Gaskets Top End Gasket Kit. Evo B.T – 1984–1991 Evo Big Twin .045" head graphite gaskets with Firering®; RCM (Rubber Coated Metal) cylinder b...

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£93.27 - £93.27
£93.27
£93.99
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£93.99
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£18.18
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£18.18
£17.31
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£17.31

MCS Sprocket Shaft Bearing Spacer Shim .098" – 1969–2002 Big Twin; Twin Cam B

Only 2 left!

MCS Sprocket Shaft Bearing Spacer Shim .098" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£18.18
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£18.18
£17.31
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£17.31
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£5.39
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£5.39
£5.14
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£5.14

MCS Sprocket Shaft Bearing Spacer Shim .094" – 1969–2002 Big Twin; Twin Cam B

Only 2 left!

MCS Sprocket Shaft Bearing Spacer Shim .094" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£5.39
£5.39 - £5.39
£5.39
£5.14
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£5.14
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£7.48
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£7.48
£7.12
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£7.12

MCS Sprocket Shaft Bearing Spacer Shim .098" – 1977–2003 XL Sportster

Only 2 left!

MCS Sprocket Shaft Bearing Spacer Shim .098" – 1977–2003 XL Sportster Used to correct pre-load on the sprocket shaft bearing. Note: See 965410 for ...

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£7.48
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£7.48
£7.12
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£7.12
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£7.48
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£7.12
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£7.12

MCS Sprocket Shaft Bearing Spacer Shim .100" – 1977–2003 XL Sportster

Only 2 left!

MCS Sprocket Shaft Bearing Spacer Shim .100" – 1977–2003 XL Sportster Used to correct pre-load on the sprocket shaft bearing. Note: See 965410 for ...

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£7.48
£7.48 - £7.48
£7.48
£7.12
£7.12 - £7.12
£7.12
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£18.18
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£18.18
£17.29
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£17.29

MCS Sprocket Shaft Bearing Spacer Shim .120" – 1969–2002 Big Twin; Twin Cam B

Only 3 left!

MCS Sprocket Shaft Bearing Spacer Shim .120" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£18.18
£18.18 - £18.18
£18.18
£17.29
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£17.29
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£20.02
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£20.02
£19.07
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£19.07

MCS Sprocket Shaft Bearing Spacer Shim .114" – 1969–2002 Big Twin; Twin Cam B

Only 2 left!

MCS Sprocket Shaft Bearing Spacer Shim .114" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£20.02
£20.02 - £20.02
£20.02
£19.07
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£19.07
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£20.02
£20.02 - £20.02
£20.02
£19.07
£19.07 - £19.07
£19.07

MCS Sprocket Shaft Bearing Spacer Shim .112" – 1969–2002 Big Twin; Twin Cam B

Only 2 left!

MCS Sprocket Shaft Bearing Spacer Shim .112" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£20.02
£20.02 - £20.02
£20.02
£19.07
£19.07 - £19.07
£19.07
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£20.02
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£20.02
£19.07
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£19.07

MCS Sprocket Shaft Bearing Spacer Shim .110" – 1969–2002 Big Twin; Twin Cam B

Only 2 left!

MCS Sprocket Shaft Bearing Spacer Shim .110" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£20.02
£20.02 - £20.02
£20.02
£19.07
£19.07 - £19.07
£19.07
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£20.02
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£20.02
£19.07
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£19.07

MCS Sprocket Shaft Bearing Spacer Shim .108" – 1969–2002 Big Twin; Twin Cam B

Only 3 left!

MCS Sprocket Shaft Bearing Spacer Shim .108" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£20.02
£20.02 - £20.02
£20.02
£19.07
£19.07 - £19.07
£19.07
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£18.18
£18.18 - £18.18
£18.18
£17.31
£17.31 - £17.31
£17.31

MCS Sprocket Shaft Bearing Spacer Shim .106" – 1969–2002 Big Twin; Twin Cam B

Only 2 left!

MCS Sprocket Shaft Bearing Spacer Shim .106" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£18.18
£18.18 - £18.18
£18.18
£17.31
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£17.31
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£350.16 - £350.16
£350.16
£358.08
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£358.08

EMD Ribster Rocker Cover Set. Semi-polished – 1984–1999 Evo Big Twin

Only 2 left!

EMD Ribster Rocker Cover Set. Semi-polished – 1984–1999 Evo Big Twin Vintage semi-polished finish. Sold in pairs for one engine. Direct replacement...

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£350.16 - £350.16
£350.16
£358.08
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£358.08
£369.09 - £369.09
£369.09
£377.44
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£377.44

EMD Sportster Ribster Rocker Cover Set. Semi-Polished – 2004–2022 XL Sportster

Only 2 left!

EMD Sportster Ribster Rocker Cover Set. Semi-Polished – 2004–2022 XL Sportster Vintage semi-polished finish. Sold in pairs for one engine. Direct r...

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£369.09 - £369.09
£369.09
£377.44
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£377.44
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£346.36
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£346.36

EMD Twin Cam Snatch Rocker Cover Set. Black Cut – 1999–2017 Twin Cam

Out of stock

EMD Twin Cam Snatch Rocker Cover Set. Black Cut – 1999–2017 Twin Cam Black Cut finish. Sold in pairs for one engine. Direct replacement for the OEM...

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£338.70 - £338.70
£338.70
£346.36
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£346.36
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£124.07
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£115.23
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£115.23

Cult-Werk V-Rod Gas Tank Cover Set ''GT'' – 2007–2017 V-Rod

Only 2 left!

Cult-Werk V-Rod Gas Tank Cover Set ''GT'' – 2007–2017 V-Rod Direct replacement ABS plastic gas tank covers; located left & right behind the rea...

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£124.07
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£124.07
£115.23
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£115.23
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£537.09
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£458.50

Cult-Werk Airbox Cover Kit ''Racing'' – 2002–2017 V-Rod

Only 1 left!

Cult-Werk Airbox Cover Kit ''Racing'' – 2002–2017 V-Rod Killer Looks guaranteed! The complete speedometer unit; including the chrome lining; is re-...

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£537.09
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£458.50
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