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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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Belt Drives Ltd. Tru-Fit Timing Belts 21,00 mm 88T 21.00 mm Pair
£84.88 - £84.88
£84.88
£84.88 - £84.88
£84.88

Belt Drives Ltd. Tru-Fit Timing Belts 21,00 mm 88T 21.00 mm Pair

in stock

Description Tru-Fit Timing BeltsProven design is an exact replacement for OE beltsManufactured to the highest quality standards to provide long, tr...

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£84.88 - £84.88
£84.88
£84.88 - £84.88
£84.88
Belt Drives Ltd. Tru-Fit Timing Belts 18,00 mm 70T 18.00 mm Pair
£61.25 - £61.25
£61.25
£61.25 - £61.25
£61.25

Belt Drives Ltd. Tru-Fit Timing Belts 18,00 mm 70T 18.00 mm Pair

in stock

Description Tru-Fit Timing BeltsProven design is an exact replacement for OE beltsManufactured to the highest quality standards to provide long, tr...

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£61.25 - £61.25
£61.25
£61.25 - £61.25
£61.25
Belt Drives Ltd. Tru-Fit Timing Belts 18,00 mm 68T 18.00 mm Pair
£64.47 - £64.47
£64.47
£64.47 - £64.47
£64.47

Belt Drives Ltd. Tru-Fit Timing Belts 18,00 mm 68T 18.00 mm Pair

in stock

Description Tru-Fit Timing BeltsProven design is an exact replacement for OE beltsManufactured to the highest quality standards to provide long, tr...

View full details
£64.47 - £64.47
£64.47
£64.47 - £64.47
£64.47
Belt Drives Ltd. Tru-Fit Timing Belts 19,00 mm 70T 19.00 mm Pair
£71.98 - £71.98
£71.98
£71.98 - £71.98
£71.98

Belt Drives Ltd. Tru-Fit Timing Belts 19,00 mm 70T 19.00 mm Pair

in stock

Description Tru-Fit Timing BeltsProven design is an exact replacement for OE beltsManufactured to the highest quality standards to provide long, tr...

View full details
£71.98 - £71.98
£71.98
£71.98 - £71.98
£71.98
Bassani Xhaust True Dual Crossover Head Pipe Header Chrome Steel Set
£684.80 - £684.80
£684.80
£684.80 - £684.80
£684.80

Bassani Xhaust True Dual Crossover Head Pipe Header Chrome Steel Set

in stock

Description True Dual Crossover Head PipeTrue-Dual crossover header systems perform as good as they lookDirect bolt-on replacement for stock headpi...

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£684.80 - £684.80
£684.80
£684.80 - £684.80
£684.80
Bassani Xhaust Radius Sweeper Exhaust System Black Curved Full System
£1,048.82 - £1,048.82
£1,048.82
£1,048.82 - £1,048.82
£1,048.82

Bassani Xhaust Radius Sweeper Exhaust System Black Curved Full System

in stock

Description Radius Sweeper Exhaust System2" Radius Sweeper pipes in black with full heat shieldsFeature 0² ports and removable bafflesInclude neces...

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£1,048.82 - £1,048.82
£1,048.82
£1,048.82 - £1,048.82
£1,048.82
Bassani Xhaust Pro-Street Exhaust System Prostreet Chrome Upswept Full System Steel
£1,150.06 - £1,150.06
£1,150.06
£1,150.06 - £1,150.06
£1,150.06

Bassani Xhaust Pro-Street Exhaust System Prostreet Chrome Upswept Full System Steel

in stock

Description Pro-Street Exhaust SystemOver-and-under pipes with turn-out endsFull-coverage heat shields1-3/4" headpipe steps to 1-7/8"; stepped head...

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£1,150.06 - £1,150.06
£1,150.06
£1,150.06 - £1,150.06
£1,150.06
Bassani Xhaust Pro Street Over and Under Turn Out Exhaust System Prostreet Chrome Straight Full System Steel
£1,150.06 - £1,150.06
£1,150.06
£1,150.06 - £1,150.06
£1,150.06

Bassani Xhaust Pro Street Over and Under Turn Out Exhaust System Prostreet Chrome Straight Full System Steel

Only 4 left!

Description Pro Street Over and Under Turn Out Exhaust SystemOver-and-under pipes with turn-out endsFull-coverage heat shields1-3/4" headpipe steps...

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£1,150.06 - £1,150.06
£1,150.06
£1,150.06 - £1,150.06
£1,150.06
Custom Dynamics TSM Connector Replacement Seals Silicone Rubber 10 Pack
£11.30 - £11.30
£11.30
£11.30 - £11.30
£11.30

Custom Dynamics TSM Connector Replacement Seals Silicone Rubber 10 Pack

in stock

Description TSM Connector Replacement SealsHeavy-duty silicone rubber seal designed to replace the factory-installed seal on Harley-Davidson TSM (T...

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£11.30 - £11.30
£11.30
£11.30 - £11.30
£11.30
£520.50 - £520.50
£520.50
£520.50 - £520.50
£520.50

Custom Cycle Engineering Evo Finned Rocker Covers for 1984-2003 Harley-Davidson Aluminium Machined Rocker Box Pair

in stock

Description Evo Finned Rocker CoversOriginal Randy Smith designTop covers onlyFeatures a guaranteed fit and are compatible with the very latest bre...

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£520.50 - £520.50
£520.50
£520.50 - £520.50
£520.50
Custom Cycle Engineering Finned Rocker Covers for 1948-1964 Harley-Davidson Natural Rocker Box 356 T-6 Aluminium Pair
£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

in stock

Description Finned Rocker CoversOriginal Randy Smith designMade from 356 T-6 aluminiumDesigned to eliminate the oil seepage associated with the sto...

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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

Only 4 left!

Description Finned Rocker CoversOriginal Randy Smith designMade from 356 T-6 aluminiumDesigned to eliminate the oil seepage associated with the sto...

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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

Out of stock

Description Top 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
£701.29 - £701.29
£701.29
£701.29 - £701.29
£701.29

Custom Cycle Engineering Dyna Motor Mount Black Rear

in stock

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

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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

Out of stock

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

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£589.09 - £589.09
£589.09
£589.09 - £589.09
£589.09
Sold out
Custom Cycle Engineering Engine Equator II for 2009-2016 Harley-Davidson Mount Black Front Billet Aluminium
£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

in stock

Description Engine Equator IIAllows all Dresser riders to correct chassis misalignment, which is impossible to achieve with the stock motor mountBi...

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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

in stock

Description Adjustable Front Engine BracketReplace stock front engine bracket with custom slotted bracket with alignment linesAllows the rider to d...

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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

Only 2 left!

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

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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

in stock

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

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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
£137.41 - £137.41
£137.41
£137.41 - £137.41
£137.41

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

Only 5 left!

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

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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

in stock

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

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£146.92 - £146.92
£146.92
£146.92 - £146.92
£146.92
Cult Werk Air Filter Cover Set for 2002-2017 Harley-Davidson Air Cleaner Cover Plastic Kit
£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

in stock

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

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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
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

Out of stock

Description Clutch Cover - HD Touring from 2018Suitable for all Harley-Davidson ® Touring models from 2018 (Street Glide, Street Glide Special, Roa...

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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

in stock

Description Tank 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

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