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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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£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41

Arlen Ness Black 10-Gauge Monster Sucker Air Cleaner Kit w/Cover for 1991-2022 Harley-Davidson Sportster Motorcycles

Only 5 left!

DescriptionMonster Sucker® Air Cleaner KitFeatures Big Sucker “hidden breather” technology and more filter surface area for maximum performanceHidd...

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£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41
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Save 8% Save %
£592.74
£592.74 - £592.74
£592.74
£542.83
£542.83 - £542.83
£542.83

Arlen Ness Black Deep Cut Monster Sucker Air Cleaner Kit w/Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

Only 3 left!

DescriptionMonster Sucker® Air Cleaner KitFeatures Big Sucker “hidden breather” technology and more filter surface area for maximum performanceHidd...

View full details
£592.74
£592.74 - £592.74
£592.74
£542.83
£542.83 - £542.83
£542.83
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Save 8% Save %
£384.18
£384.18 - £384.18
£384.18
£351.83
£351.83 - £351.83
£351.83

Arlen Ness Monster Sucker Black Air Cleaner Kit for Various Various Harley-Davidson Motorcycles (See Fitment List)

Only 4 left!

DescriptionMonster Sucker® Air Cleaner KitMonster Sucker kit features Big Sucker “hidden breather” technology and more filter surface area for maxi...

View full details
£384.18
£384.18 - £384.18
£384.18
£351.83
£351.83 - £351.83
£351.83
Save 8% Save %
Save 8% Save %
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41

Arlen Ness Black Deep Cut Monster Sucker Air Cleaner Kit w/Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionMonster Sucker® Air Cleaner KitFeatures Big Sucker “hidden breather” technology and more filter surface area for maximum performanceHidd...

View full details
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41
Save 8% Save %
Save 8% Save %
£592.74
£592.74 - £592.74
£592.74
£542.83
£542.83 - £542.83
£542.83

Arlen Ness Black Beveled Monster Sucker Air Cleaner Kit w/Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionMonster Sucker® Air Cleaner KitFeatures Big Sucker “hidden breather” technology and more filter surface area for maximum performanceHidd...

View full details
£592.74
£592.74 - £592.74
£592.74
£542.83
£542.83 - £542.83
£542.83
Save 8% Save %
Save 8% Save %
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41

Arlen Ness Black 10-Gauge Monster Sucker Air Cleaner Kit w/Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

Only 2 left!

DescriptionMonster Sucker® Air Cleaner KitFeatures Big Sucker “hidden breather” technology and more filter surface area for maximum performanceHidd...

View full details
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41
Save 8% Save %
Save 8% Save %
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41

Arlen Ness Black 10-Gauge Monster Sucker Air Cleaner Kit w/Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

Only 5 left!

DescriptionMonster Sucker® Air Cleaner KitFeatures Big Sucker “hidden breather” technology and more filter surface area for maximum performanceHidd...

View full details
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41
Save 8% Save %
Save 8% Save %
£592.74
£592.74 - £592.74
£592.74
£542.83
£542.83 - £542.83
£542.83

Arlen Ness Chrome Deep Cut Monster Sucker Air Cleaner Kit w/Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionMonster Sucker® Air Cleaner KitFeatures Big Sucker “hidden breather” technology and more filter surface area for maximum performanceHidd...

View full details
£592.74
£592.74 - £592.74
£592.74
£542.83
£542.83 - £542.83
£542.83
Save 8% Save %
Save 8% Save %
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41

Arlen Ness Chrome Deep Cut Monster Sucker Air Cleaner Kit w/Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionMonster Sucker® Air Cleaner KitFeatures Big Sucker “hidden breather” technology and more filter surface area for maximum performanceHidd...

View full details
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41
Save 8% Save %
Save 8% Save %
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41

Arlen Ness Chrome Beveled Monster Sucker Air Cleaner Kit w/Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionMonster Sucker® Air Cleaner KitFeatures Big Sucker “hidden breather” technology and more filter surface area for maximum performanceHidd...

View full details
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41
Save 8% Save %
£331.75 - £331.75
£331.75
£334.30
£334.30 - £334.30
£334.30

Arlen Ness Stage 1 Big Sucker Air Cleaner Kit. 10-Gauge B – 2016–2017 Softail; 2017 FXDLS; 2008–2016…

Only 1 left!

Arlen Ness Stage 1 Big Sucker Air Cleaner Kit. 10-Gauge B – 2016–2017 Softail; 2017 FXDLS; 2008–2016… 10-Gauge black anodized billet aluminum outer...

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£331.75 - £331.75
£331.75
£334.30
£334.30 - £334.30
£334.30
Save 8% Save %
£384.18
£384.18 - £384.18
£384.18
£351.83
£351.83 - £351.83
£351.83

Arlen Ness Monster Sucker Black Air Cleaner Kit for 1991-2022 Harley-Davidson Sportster Motorcycles

Only 2 left!

DescriptionMonster Sucker® Air Cleaner KitMonster Sucker kit features Big Sucker “hidden breather” technology and more filter surface area for maxi...

View full details
£384.18
£384.18 - £384.18
£384.18
£351.83
£351.83 - £351.83
£351.83
Save 8% Save %
Sold out
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41

Arlen Ness Chrome Deep Cut Monster Sucker Air Cleaner Kit w/Cover for 1991-2022 Harley-Davidson Sportster Motorcycles

Out of stock

DescriptionMonster Sucker® Air Cleaner KitFeatures Big Sucker “hidden breather” technology and more filter surface area for maximum performanceHidd...

View full details
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41
Sold out
Save 8% Save %
£384.18
£384.18 - £384.18
£384.18
£351.83
£351.83 - £351.83
£351.83

Monster Sucker® Air Cleaner Kit

in stock

DescriptionMonster Sucker® Air Cleaner KitMonster Sucker kit features Big Sucker “hidden breather” technology and more filter surface area for maxi...

View full details
£384.18
£384.18 - £384.18
£384.18
£351.83
£351.83 - £351.83
£351.83
Save 8% Save %
£331.75 - £331.75
£331.75
£334.28
£334.28 - £334.28
£334.28

Arlen Ness Stage 1 Big Sucker Air Cleaner Kit. 10-Gauge Chr – 2016–2017 Softail; 2017 FXDLS; 2008–2016…

Only 1 left!

Arlen Ness Stage 1 Big Sucker Air Cleaner Kit. 10-Gauge Chr – 2016–2017 Softail; 2017 FXDLS; 2008–2016… 10-Gauge chrome plated billet aluminum oute...

View full details
£331.75 - £331.75
£331.75
£334.28
£334.28 - £334.28
£334.28
Sold out
£187.32
£187.32 - £187.32
£187.32
£171.53
£171.53 - £171.53
£171.53

Arlen Ness Black 10-Gauge Exhaust Tip for Vance & Hines Slip-on Mufflers

Out of stock

Description10-Gauge Exhaust TipFits Vance & Hines 4-1/2" round mufflersCNC machined from billet aluminiumSold as eachSpecificationsType : Exhau...

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£187.32
£187.32 - £187.32
£187.32
£171.53
£171.53 - £171.53
£171.53
Sold out
Save 8% Save %
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41

Arlen Ness Chrome Beveled Monster Sucker Air Cleaner Kit w/Cover for 1991-2022 Harley-Davidson Sportster Motorcycles

Only 4 left!

DescriptionMonster Sucker® Air Cleaner KitFeatures Big Sucker “hidden breather” technology and more filter surface area for maximum performanceHidd...

View full details
£646.90
£646.90 - £646.90
£646.90
£592.41
£592.41 - £592.41
£592.41
Save 8% Save %
Save 8% Save %
£592.74
£592.74 - £592.74
£592.74
£542.83
£542.83 - £542.83
£542.83

Arlen Ness Chrome 10-Gauge Monster Sucker Air Cleaner Kit w/Cover for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionMonster Sucker® Air Cleaner KitFeatures Big Sucker “hidden breather” technology and more filter surface area for maximum performanceHidd...

View full details
£592.74
£592.74 - £592.74
£592.74
£542.83
£542.83 - £542.83
£542.83
Save 8% Save %
Save 8% Save %
£384.18
£384.18 - £384.18
£384.18
£351.83
£351.83 - £351.83
£351.83

Arlen Ness Monster Sucker Black Air Cleaner Kit for Various Various Harley-Davidson Motorcycles (See Fitment List)

in stock

DescriptionMonster Sucker® Air Cleaner KitMonster Sucker kit features Big Sucker “hidden breather” technology and more filter surface area for maxi...

View full details
£384.18
£384.18 - £384.18
£384.18
£351.83
£351.83 - £351.83
£351.83
Save 8% Save %
Save 8% Save %
£384.18
£384.18 - £384.18
£384.18
£351.83
£351.83 - £351.83
£351.83

Arlen Ness Monster Sucker Chrome Air Cleaner Kit for 1991-2022 Harley-Davidson Sportster Motorcycles

in stock

DescriptionMonster Sucker® Air Cleaner KitMonster Sucker kit features Big Sucker “hidden breather” technology and more filter surface area for maxi...

View full details
£384.18
£384.18 - £384.18
£384.18
£351.83
£351.83 - £351.83
£351.83
Save 8% Save %
£264.90 - £264.90
£264.90
£266.92
£266.92 - £266.92
£266.92

Andrews M8 Camshaft .460" Valve Lift – 2018–2026 Softail; 2017–2026…

Only 1 left!

Andrews M8 Camshaft .460" Valve Lift – 2018–2026 Softail; 2017–2026… Bolt-in. Allround cam to boost power & torque in stock 107" & 114" eng...

View full details
£264.90 - £264.90
£264.90
£266.92
£266.92 - £266.92
£266.92
£264.90 - £264.90
£264.90
£266.92
£266.92 - £266.92
£266.92

Andrews M8 Camshaft .450" Valve Lift – 2018–2026 Softail; 2017–2026…

Only 1 left!

Andrews M8 Camshaft .450" Valve Lift – 2018–2026 Softail; 2017–2026… Bolt-in. Great for stock compression 107" engines for Touring style of riding....

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£264.90 - £264.90
£264.90
£266.92
£266.92 - £266.92
£266.92
Save 15% Save %
£761.06
£761.06 - £761.06
£761.06
£644.93
£644.93 - £644.93
£644.93

Vance & Hines 2-2 Mini-grenades Exhaust. Black – 2004–2020 XL Sportster

Only 1 left!

Vance & Hines 2-2 Mini-grenades Exhaust. Black – 2004–2020 XL Sportster Matte black ceramic coated finish. Exhaust system with black CNC machin...

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£761.06
£761.06 - £761.06
£761.06
£644.93
£644.93 - £644.93
£644.93
Save 15% Save %
Save 7% Save %
£124.07
£124.07 - £124.07
£124.07
£115.23
£115.23 - £115.23
£115.23

Cult-Werk Air Cleaner Cover. Slotted – 2016–2022 XL Sportster with Stock Round…

Only 1 left!

Cult-Werk Air Cleaner Cover. Slotted – 2016–2022 XL Sportster with Stock Round… Unpainted matte black finish. ABS construction; 5-axis CNC machined...

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£124.07
£124.07 - £124.07
£124.07
£115.23
£115.23 - £115.23
£115.23
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