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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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£17.86 - £17.86
£17.86
£17.86 - £17.86
£17.86

Cometic Top End Gasket Kit for 1992 YAMAHA WR 200 R CFM-20 #C7142

in stock

DescriptionTop End Gasket KitTop end gasket kit includes correct base, head gasket and cylinder O-rings as well as other top end specific O-rings o...

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£17.86 - £17.86
£17.86
£17.86 - £17.86
£17.86
£28.71 - £28.71
£28.71
£28.71 - £28.71
£28.71

Cometic Top End Gasket Kit for 1985-1989 HONDA Hi-Performance MLS (Multi-layer Steel) #C7402

in stock

DescriptionTop End Gasket KitTop end gasket kit includes correct base, head gasket and cylinder O-rings as well as other top end specific O-rings o...

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£28.71 - £28.71
£28.71
£28.71 - £28.71
£28.71
£16.42 - £16.42
£16.42
£16.42 - £16.42
£16.42

Colony Oil Tank Line Fittings Chrome Oil Line Steel 3 Pack - 7148-3

in stock

DescriptionOil Tank Line FittingsChrome-plated oil line fittings are exact duplicates of original typesCan be used with braided stainless steel or ...

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£16.42 - £16.42
£16.42
£16.42 - £16.42
£16.42
£14.21 - £14.21
£14.21
£14.21 - £14.21
£14.21

Colony Front Belt Drive Pulley Nut Chrome Acorn - 7816-1

in stock

DescriptionFront Belt Drive Pulley NutChrome front pulley nut for open primary belt drive applicationsMade in the USASpecifications Type: Acorn P...

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£14.21 - £14.21
£14.21
£14.21 - £14.21
£14.21
£36.10 - £36.10
£36.10
£36.10 - £36.10
£36.10

Colony Pushrod Tube Kit Chrome Inner Aluminium Set of 4 - 9213-4

in stock

DescriptionPushrod Tube KitThese kits contain exact OEM duplicate parts for proper fitmentUpper cover kit contains chrome clips, chrome cups, sprin...

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£36.10 - £36.10
£36.10
£36.10 - £36.10
£36.10
Sold out
£55.36 - £55.36
£55.36
£55.36 - £55.36
£55.36

Colony Pushrod Tube Kit Chrome Upper Aluminium Set of 4 - 7508-20

Out of stock

DescriptionPushrod Tube KitThese kits contain exact OEM duplicate parts for proper fitmentUpper cover kit contains chrome clips, chrome cups, sprin...

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£55.36 - £55.36
£55.36
£55.36 - £55.36
£55.36
Sold out
£80.14 - £80.14
£80.14
£80.14 - £80.14
£80.14

Colony Quick Install Lower Pushrod Tube Kit Chrome 4 Pack - DS193758

in stock

DescriptionQuick Install Lower Pushrod Tube KitThis kit is a must when installing adjustable pushrods in a Twin Cam motorIncludes four short lower ...

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£80.14 - £80.14
£80.14
£80.14 - £80.14
£80.14
Sold out
£34.31 - £34.31
£34.31
£34.31 - £34.31
£34.31

Colony Replacement Cylinder Base Studs Stud Set Black 8 Pack - 8856-8

Out of stock

DescriptionReplacement Cylinder Base StudsHeat-treated for strength and durabilityEqual or surpass original equipmentMade in the USASpecifications ...

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£34.31 - £34.31
£34.31
£34.31 - £34.31
£34.31
Sold out
£31.96 - £31.96
£31.96
£31.96 - £31.96
£31.96

Colony Replacement Cylinder Stud Set Black 8 Pack - 8858-8

in stock

DescriptionReplacement Cylinder Stud SetHeat-treated for strength and durabilityEqual or surpass original equipmentSpecifications Units: 8 Pack P...

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£31.96 - £31.96
£31.96
£31.96 - £31.96
£31.96
£82.69 - £82.69
£82.69
£82.69 - £82.69
£82.69

Colony Replacement Cylinder Stud Set Black 8 Pack - 9507-8

Only 5 left!

DescriptionReplacement Cylinder Stud SetHeat-treated for strength and durabilityEqual or surpass original equipmentNot for '21-'22 Sportster S/RH12...

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£82.69 - £82.69
£82.69
£82.69 - £82.69
£82.69
£74.02 - £74.02
£74.02
£74.02 - £74.02
£74.02

Colony Replacement Aluminium Pushrods Pushrod Set Set of 4 - 7515-4

Only 5 left!

DescriptionReplacement Aluminium PushrodsAircraft-grade aluminium tubingHeat-treated steel tipsFits stock stroke lengthsMade in the USAReplaces sto...

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£74.02 - £74.02
£74.02
£74.02 - £74.02
£74.02
Colony Replacement Aluminium Pushrods Pushrod Set Set of 4
£69.73 - £69.73
£69.73
£69.73 - £69.73
£69.73

Colony Replacement Aluminium Pushrods Pushrod Set Set of 4 - 7516-4

in stock

DescriptionReplacement Aluminium PushrodsAircraft-grade aluminium tubingHeat-treated steel tipsFits stock stroke lengthsMade in the USAReplaces sto...

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£69.73 - £69.73
£69.73
£69.73 - £69.73
£69.73
£57.29 - £57.29
£57.29
£57.29 - £57.29
£57.29

Colony Replacement Aluminium Pushrods Pushrod Set Set of 4 - 7122-4

in stock

DescriptionReplacement Aluminium PushrodsAircraft-grade aluminium tubingHeat-treated steel tipsFits stock stroke lengthsMade in the USAWorks with s...

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£57.29 - £57.29
£57.29
£57.29 - £57.29
£57.29
£8.98 - £8.98
£8.98
£8.98 - £8.98
£8.98

Colony Pushrod Tappet Adjuster Locknuts Adjustable 4 Pack - 8780-4

in stock

DescriptionPushrod Tappet Adjuster LocknutsSplit locknuts with 9/32"-32 threadMade in the USASpecifications Product Name: Nut Application: Pushro...

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£8.98 - £8.98
£8.98
£8.98 - £8.98
£8.98
Cobra Bronze Tip Slip-On Muffler for 2021-2024 HONDA CMX 1100 Each
Sold out
£762.06 - £762.06
£762.06
£762.06 - £762.06
£762.06

Cobra Bronze Tip Slip-On Muffler for 2021-2024 HONDA CMX 1100 #1140BZ

Out of stock

DescriptionBronze Tip Slip-On MufflerUses louvered cores for enhanced performance and improved sound4" diameter, black power-coated body Seven cont...

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£762.06 - £762.06
£762.06
£762.06 - £762.06
£762.06
Sold out
Cobra True Dual Headpipes for 2017-2025 Harley-Davidson Header Black
Sold out
£738.18 - £738.18
£738.18
£738.18 - £738.18
£738.18

Cobra True Dual Headpipes for 2017-2025 Harley-Davidson Header Black #6257RB

Out of stock

DescriptionTrue Dual HeadpipesFeature one-piece, full length, 2.5-inch-diameter heat shieldsCobra designed these pipes to deliver optimal torque an...

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£738.18 - £738.18
£738.18
£738.18 - £738.18
£738.18
Sold out
£882.86 - £882.86
£882.86
£882.86 - £882.86
£882.86

Cobra 909 Uppercut Slip-On Mufflers for 2017-2026 Harley-Davidson Upper Cut Chrome Silver Pair #6269

in stock

Description909 Uppercut Slip-On MufflersA louvered core provides the bark and back pressure needed to make your bike run as well as possible4" Muff...

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£882.86 - £882.86
£882.86
£882.86 - £882.86
£882.86
£983.13 - £983.13
£983.13
£983.13 - £983.13
£983.13

Cobra El Diablo Slip-On Mufflers for 2017-2026 Harley-Davidson Megaphone Pair #6208RB

in stock

DescriptionEl Diablo Slip-On MufflersThese have the classic megaphone shape capped with a large machined aluminium tip that has the Cobra logo engr...

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£983.13 - £983.13
£983.13
£983.13 - £983.13
£983.13
Cobra Classic Deluxe Exhaust System Chrome Staggered Straight Full System Steel Each
£764.76 - £764.76
£764.76
£764.76 - £764.76
£764.76

Cobra Classic Deluxe Exhaust System Chrome Staggered Straight Full System Steel - 4569SC

Only 2 left!

DescriptionClassic Deluxe Exhaust SystemLooking for a happy medium in regards to noise levels? Then check out Cobra's Classic Deluxe ExhaustThe 3.5...

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£764.76 - £764.76
£764.76
£764.76 - £764.76
£764.76
Cobra Classic Exhaust System Chrome Staggered Straight Full System Steel Each
Sold out
£744.64 - £744.64
£744.64
£744.64 - £744.64
£744.64

Cobra Classic Exhaust System Chrome Staggered Straight Full System Steel - 3167SC

Out of stock

DescriptionClassic Exhaust SystemAll Classic exhaust systems include full-length heat shields and 2-1/2" muffler bodiesTriple chrome plating for be...

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£744.64 - £744.64
£744.64
£744.64 - £744.64
£744.64
Sold out
Sold out
£645.06 - £645.06
£645.06
£645.06 - £645.06
£645.06

Cobra Complete Slip-On Mufflers Slip-On Line Chrome Round Steel Pair - 3163TSSC

Out of stock

DescriptionComplete Slip-On MufflersBuilding the best metric cruiser exhaust systems has been our passion for more than 25 yearsWe've perfected the...

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£645.06 - £645.06
£645.06
£645.06 - £645.06
£645.06
Sold out
Sold out
£764.76 - £764.76
£764.76
£764.76 - £764.76
£764.76

Cobra Lo-Boy Shotgun Exhaust System Chrome Straight Full System - 2967

Out of stock

DescriptionLo-Boy Shotgun Exhaust SystemThe classic chopper statement with a sound that let's everyone know you've arrivedFeatures Cobra's no-blue ...

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£764.76 - £764.76
£764.76
£764.76 - £764.76
£764.76
Sold out
Sold out
£764.76 - £764.76
£764.76
£764.76 - £764.76
£764.76

Cobra Classic Deluxe Exhaust System Chrome Staggered Straight Full System Steel - 2567SC

Out of stock

DescriptionClassic Deluxe Exhaust SystemLooking for a happy medium in regards to noise levels? Then check out Cobra's Classic Deluxe ExhaustThe 3.5...

View full details
£764.76 - £764.76
£764.76
£764.76 - £764.76
£764.76
Sold out
£611.80 - £611.80
£611.80
£611.80 - £611.80
£611.80

Cobra Drag Pipes Exhaust System Chrome Staggered Full System Steel - 2263

Only 1 left!

DescriptionDrag Pipes Exhaust SystemConstant-diameter system flows in one unfettered lineTriple chrome plating for beauty that lastsInstructions an...

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£611.80 - £611.80
£611.80
£611.80 - £611.80
£611.80

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