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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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£500.92 - £500.92
£500.92
£500.92 - £500.92
£500.92

Custom Cycle Engineering Finned Rocker Covers for 1948-1964 Harley-Davidson Natural Rocker Box 356 T-6 Aluminium Pair #FRC 2003-3

in stock

DescriptionFinned Rocker CoversOriginal Randy Smith designMade from 356 T-6 aluminiumDesigned to eliminate the oil seepage associated with the stoc...

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£500.92 - £500.92
£500.92
£500.92 - £500.92
£500.92
£620.69 - £620.69
£620.69
£620.69 - £620.69
£620.69

Custom Cycle Engineering Finned Rocker Covers for 1948-1964 Harley-Davidson Polished Rocker Box 356 T-6 Aluminium Pair #FRC 2003-2

Only 4 left!

DescriptionFinned Rocker CoversOriginal Randy Smith designMade from 356 T-6 aluminiumDesigned to eliminate the oil seepage associated with the stoc...

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£620.69 - £620.69
£620.69
£620.69 - £620.69
£620.69
Sold out
£429.05 - £429.05
£429.05
£429.05 - £429.05
£429.05

Custom Cycle Engineering Top Stabilizer Link for 2004-2017 Harley-Davidson Black Kit #TSL 2014-2

Out of stock

DescriptionTop Stabilizer LinkReduces engine vibration and aligns power trainAdjustable rubber-isolated designGreatly reduces vibration especially ...

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£429.05 - £429.05
£429.05
£429.05 - £429.05
£429.05
Sold out
Custom Cycle Engineering Dyna Motor Mount Black Rear
£701.29 - £701.29
£701.29
£701.29 - £701.29
£701.29

Custom Cycle Engineering Dyna Motor Mount Black Rear #DMM 2014-2

in stock

DescriptionDyna Motor MountMotor mount system replaces the inadequate stock mountsMade in the U.S.A.Fitment 2010 ARCTIC CAT (TEXTRON) H1 650 4X4 TR...

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£701.29 - £701.29
£701.29
£701.29 - £701.29
£701.29
Sold out
£589.09 - £589.09
£589.09
£589.09 - £589.09
£589.09

Custom Cycle Engineering Dyna Motor Mount for 1991-2005 Harley-Davidson FXD Black Front #DMM 2014-1E

Out of stock

DescriptionDyna Motor MountMotor mount system replaces the inadequate stock mountsMade in the U.S.A.Fitment 1995-1998 Harley-Davidson FXD 1340 Dyna...

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£589.09 - £589.09
£589.09
£589.09 - £589.09
£589.09
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£483.49 - £483.49
£483.49
£483.49 - £483.49
£483.49

Custom Cycle Engineering Engine Equator II for 2009-2016 Harley-Davidson Mount Black Front Billet Aluminium #CCE 2015-1

in stock

DescriptionEngine Equator IIAllows all Dresser riders to correct chassis misalignment, which is impossible to achieve with the stock motor mountBil...

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£483.49 - £483.49
£483.49
£483.49 - £483.49
£483.49
£161.83 - £161.83
£161.83
£161.83 - £161.83
£161.83

Custom Cycle Engineering Adjustable Front Engine Bracket Mount Aluminium Anodised #CCE 2014-1

in stock

DescriptionAdjustable Front Engine BracketReplace stock front engine bracket with custom slotted bracket with alignment linesAllows the rider to di...

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£161.83 - £161.83
£161.83
£161.83 - £161.83
£161.83
Cult Werk Airbox Cover "Special" for 2002-2017 Harley-Davidson Air Cleaner Cover Plastic
£509.02 - £509.02
£509.02
£509.02 - £509.02
£509.02

Cult Werk Airbox Cover "Special" for 2002-2017 Harley-Davidson Air Cleaner Cover Plastic #HD-ROD069

Only 1 left!

DescriptionAirbox Cover "Special"Air filter cover (1014-0339) is recommended, because without an air filter cover the engine can be damaged.ABS Pla...

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£509.02 - £509.02
£509.02
£509.02 - £509.02
£509.02
Cult Werk Airbox Cover "Racing" for 2002-2017 Harley-Davidson Air Cleaner Cover Plastic Each
£557.43 - £557.43
£557.43
£557.43 - £557.43
£557.43

Cult Werk Airbox Cover "Racing" for 2002-2017 Harley-Davidson Air Cleaner Cover Plastic #HD-ROD011

Only 3 left!

DescriptionAirbox Cover "Racing"The entire speedometer unit including the decorative frame is inserted into the airbox cover from above and screwed...

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£557.43 - £557.43
£557.43
£557.43 - £557.43
£557.43
Cult Werk Air Filter Cover "Slotted" for 2004-2017 Harley-Davidson Air Cleaner Cover Black ABS Polymer Each
£137.41 - £137.41
£137.41
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£137.41

Cult Werk Air Filter Cover "Slotted" for 2004-2017 Harley-Davidson Air Cleaner Cover Black ABS Polymer #HD-SPO024

Only 5 left!

DescriptionAir Filter Cover "Slotted"The cover is designed to fit exactly on the original air filter100% accurately fitting ABS plastic partNo adju...

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£137.41 - £137.41
£137.41
£137.41 - £137.41
£137.41
Cult Werk Air Filter Cover "Slotted" for 2016-2022 Harley-Davidson Air Cleaner Cover Black ABS Polymer Each
£146.92 - £146.92
£146.92
£146.92 - £146.92
£146.92

Cult Werk Air Filter Cover "Slotted" for 2016-2022 Harley-Davidson Air Cleaner Cover Black ABS Polymer #HD-SPO080

in stock

DescriptionAir Filter Cover "Slotted"The cover is designed to fit exactly on the original air filter100% accurately fitting ABS plastic partNo adju...

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£146.92 - £146.92
£146.92
£146.92 - £146.92
£146.92
£137.41 - £137.41
£137.41
£137.41 - £137.41
£137.41

Cult Werk Air Filter Cover Set for 2002-2017 Harley-Davidson Air Cleaner Cover Plastic Kit #HD-ROD035

in stock

DescriptionAir Filter Cover SetThis kit is required for all airbox covers with an integrated speedometer unit.The Cult-Werk air filter cover kit co...

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£137.41 - £137.41
£137.41
£137.41 - £137.41
£137.41
Cult Werk Clutch Cover - HD Touring from 2018 for 2017-2023 Harley-Davidson Black Aluminium Each
Sold out
£137.41 - £137.41
£137.41
£137.41 - £137.41
£137.41

Cult Werk Clutch Cover - HD Touring from 2018 for 2017-2023 Harley-Davidson Black Aluminium #HD-TOU037

Out of stock

DescriptionClutch Cover - HD Touring from 2018Suitable for all Harley-Davidson ® Touring models from 2018 (Street Glide, Street Glide Special, Road...

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£137.41 - £137.41
£137.41
£137.41 - £137.41
£137.41
Sold out
Cult Werk Tank Lifter for 1972-2022 Harley-Davidson Black Fuel Tank Aluminium Kit
£56.19 - £56.19
£56.19
£56.19 - £56.19
£56.19

Cult Werk Tank Lifter for 1972-2022 Harley-Davidson Black Fuel Tank Aluminium Kit #HD-SPO011

in stock

DescriptionTank LifterThe Cult-Werk Tanklift lifts the tank at the front attachment point and is height-adjustable from 35 - 50mmSo you can adjust ...

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£56.19 - £56.19
£56.19
£56.19 - £56.19
£56.19
Cult Werk Tank Lifter for 2018-2024 Harley-Davidson Black Fuel Tank Aluminium
£70.01 - £70.01
£70.01
£70.01 - £70.01
£70.01

Cult Werk Tank Lifter for 2018-2024 Harley-Davidson Black Fuel Tank Aluminium #HD-BRO100

Only 5 left!

DescriptionTank LifterThe Cult-Werk Tanklift lifts the tank at the front attachment point and is height-adjustable from 35 - 50mmSo you can adjust ...

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£70.01 - £70.01
£70.01
£70.01 - £70.01
£70.01
£56.19 - £56.19
£56.19
£56.19 - £56.19
£56.19

Cult Werk Tank Cap PopUp Ultraflat Fuel Cap Black Plastic #HD-UNI009

in stock

DescriptionTank Cap PopUp UltraflatThis pop-up tank cap in ultra-flat design with a right-hand thread and ventilation suitable for all Harley-David...

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£56.19 - £56.19
£56.19
£56.19 - £56.19
£56.19
£42.36 - £42.36
£42.36
£42.36 - £42.36
£42.36

Cult Werk Lockable Tank Cap for 2002-2017 Harley-Davidson Fuel Cap Black Plastic #HD-ROD043

Only 5 left!

DescriptionLockable Tank CapThis lockable tank cap from Cult-Werk is suitable for all V-Rod, Night Rod Special, Muscle & Street rod models. Lik...

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£42.36 - £42.36
£42.36
£42.36 - £42.36
£42.36
Cometic Lower End Gasket Kit for 1998-2003 YAMAHA YZF-R1 1000 Hi-Performance Engine Case Rebuild
£22.54 - £22.54
£22.54
£22.54 - £22.54
£22.54

Cometic Lower End Gasket Kit for 1998-2003 YAMAHA YZF-R1 1000 Hi-Performance Engine Case Rebuild - C8588

in stock

DescriptionLower End Gasket KitContains all gaskets and seals neededMade in the U.S.A.Fitment 1998-2003 YAMAHA YZF-R1 1000 2003 YAMAHA YZF-R1 1000 ...

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£22.54 - £22.54
£22.54
£22.54 - £22.54
£22.54
£54.69 - £54.69
£54.69
£54.69 - £54.69
£54.69

Cometic Lower End Gasket Kit for 1999-2021 SUZUKI GSX 1300 R Hi-Performance Engine Case Rebuild Aramid Fibre - C8587

in stock

DescriptionLower End Gasket KitContains all gaskets and seals neededMade in the U.S.A.Fitment 1999-2012 SUZUKI GSX 1300 R Hayabusa 2012 SUZUKI GSX ...

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£54.69 - £54.69
£54.69
£54.69 - £54.69
£54.69
£22.57 - £22.57
£22.57
£22.57 - £22.57
£22.57

Cometic Cylinder Base Gasket for 1999-2021 SUZUKI GSX 1300 R Rubber - C8585

in stock

DescriptionCylinder Base GasketCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirements...

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£22.57 - £22.57
£22.57
£22.57 - £22.57
£22.57
£19.86 - £19.86
£19.86
£19.86 - £19.86
£19.86

Cometic Lower End Gasket Kit for 1996-1999 SUZUKI GSX-R 750 Hi-Performance Engine Case Rebuild - C8403

Only 4 left!

DescriptionLower End Gasket KitContains all gaskets and seals neededMade in the U.S.A.Fitment1996-1999 SUZUKI GSX-R 750Specifications Units: Kit ...

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£19.86 - £19.86
£19.86
£19.86 - £19.86
£19.86
£65.75 - £65.75
£65.75
£65.75 - £65.75
£65.75

Cometic Cylinder Head Gasket for 1989-1992, 1998-1999 SUZUKI MLS (Multi-layer Steel) - C8279

in stock

DescriptionCylinder Head GasketQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets pro...

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£65.75 - £65.75
£65.75
£65.75 - £65.75
£65.75
£13.53 - £13.53
£13.53
£13.53 - £13.53
£13.53

Cometic Valve Cover Gasket for 1982-1983 SUZUKI GS 1100 Hi-Performance Fibre - C8264

Only 5 left!

DescriptionValve Cover GasketValve cover gaskets are made from application specific materials to ensure longevity and correct fitment for a leak fr...

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£13.53 - £13.53
£13.53
£13.53 - £13.53
£13.53
£14.41 - £14.41
£14.41
£14.41 - £14.41
£14.41

Cometic Valve Cover Gasket for 1973-1980 KAWASAKI Hi-Performance Fibre - C8263

in stock

DescriptionValve Cover GasketValve cover gaskets are made from application specific materials to ensure longevity and correct fitment for a leak fr...

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£14.41 - £14.41
£14.41
£14.41 - £14.41
£14.41

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