Engine Components

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  TwinPower

  Twin Power 99-06 Twin Cam Big Twin Except 06 Dyna Cam Chain Secondary Replaces H-D 25607-99

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  £74.54

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  The Twin Power™ cam chains have precision-ground side plates for smoother operation. Their specifications and performance are designed to be equivalent or superior to O.E. chains. Made in Japan.Thi...
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  TwinPower

  Twin Power 84-99 Evolution 1340CC Black Cylinder Replaces H-D 1651-83A

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  £476.69

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  Our cylinders are perfect for stock replacement. They all meet or exceed O.E.M. specifications. They are made of aluminum for your Sportster, aluminum with a steel liner for your Evolution and cast...
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  TwinPower

  Twin Power 92-99 Big Twin Polished Oil Pump

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  £472.49

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  A polished aluminum stock replacement type pump available for 73-99 models. Made from polished aluminum, this pump improves oil pressure regulation to all parts of the engine.This Part Fits: Year ...
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  TwinPower

  Twin Power 73-91 Big Twin Polished Oil Pump

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  £524.99

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  A polished aluminum stock replacement type pump available for 73-99 models. Made from polished aluminum, this pump improves oil pressure regulation to all parts of the engine.This Part Fits: Year ...
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  TwinPower

  Twin Power 84-99 1340 cc Evolution Big Twin Aluminum Cylinder Natural Replaces H-D 16510-83A

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  £412.64

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  Our cylinders are perfect for stock replacement. They all meet or exceed O.E.M. specifications. They are made of aluminum for your Sportster, aluminum with a steel liner for your Evolution and cast...
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  TwinPower

  Twin Power 66-84 Shovelhead Shovelhead Rocker Arm Replaces H-D 17360-66 Front Intake Rear Exhaust

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  £62.99

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  A high-quality replacement rocker arm for 66-84 Shovelhead models from Twin Power™. Manufactured to O.E.M. specifications and tolerances.This Part Fits: Year Make Model Submodel 1971-1980 Harley...
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  TwinPower

  Twin Power L75-E84 4 Speed Clutch Release Bearing Kit Replaces H-D 37312-75 Heavy Duty W/O Pushrod

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  £34.64

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  A heavy-duty clutch release bearing kit for 4-speed Big Twins. This kit may be used as an O.E.M. replacement or as a replacement bearing for our clutch release repair kit.This Part Fits: Year Make...
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  TwinPower

  Twin Power 66-79 Shovelhead Black Cylinder 74in Front Replaces H-D 16485-74A

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  £312.89

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  Our cylinders are perfect for stock replacement. They all meet or exceed O.E.M. specifications. They are made of aluminum for your Sportster, aluminum with a steel liner for your Evolution and cast...
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  TwinPower

  Twin Power Rear Sprocket/ Pulley Spacer Replaces H-D 40932-81 .192 Thick Chrome Steel

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  £16.79

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  This pulley spacer is .1922" thick and made from chrome-plated steel. It may be used to achieve the proper spacing of the rear wheel belt pulley or in many custom applications on Sportster and Big ...
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  TwinPower

  Twin Power 66-E79 Shovelhead Pushrod Tube Kit

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  £130.19

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  Includes lower covers, inner tubes, springs, spring washers, spring covers and spring caps spring covers and spring capsThis Part Fits: Year Make Model Submodel 1971-1979 Harley-Davidson FLH Ele...
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  TwinPower

  Twin Power L79-84 Shovelhead Push Rod Tube Kit

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  £136.49

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  Includes lower covers, inner tubes, springs, spring washers, spring covers and spring caps spring covers and spring capsThis Part Fits: Year Make Model Submodel 1979-1980 Harley-Davidson FLH Ele...
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  TwinPower

  Twin Power 99-17 Twin Cam Twin Push Rod Tube Kit Adjustable Pushrods OK

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  £142.79

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  Includes lower covers, inner tubes, springs, spring washers, spring covers and spring caps spring covers and spring capsThis Part Fits: Year Make Model Submodel 2012-2016 Harley-Davidson FLD Swi...
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  TwinPower

  Twin Power 73-99 Big Twin Except Twin Cam Oil Pump Gear Replaces H-D 26345-73 24 Teeth

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  £29.39

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  Twin Power's 73-99 Big Twin (except Twin Cam) oil pump gear is engineered for dependable oil delivery, using a 24-tooth design that accurately rives the pump to maintain consistent lubrication, pro...
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  TwinPower

  Twin Power 86-Up XL Natural XL 1200cc Cylinder Replaces H-D 16447-88 (04 and Up Req Fin Clearancing)

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  £434.69

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  Our cylinders are perfect for stock replacement. They all meet or exceed O.E.M. specifications. They are made of aluminum for your Sportster, aluminum with a steel liner for your Evolution and cast...
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  TwinPower

  Twin Power Extended Compensator Nut + 1/2 Inch For Wide Tire Custom Use

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  £28.34

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  Twin Power™ Extended Compensator Nut +1/2 inch is an extended crankshaft compensator nut designed for wide-tire and custom offset applications, helping retain compensating sprocket assemblies secur...
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  TwinPower

  Twin Power L94-06 Big Twin Transmission Drive Pulley 32 Tooth

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  £116.54

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  These Twin Power™ transmission drive pulleys are designed as high-quality replacements for stock units, providing reliable power transfer from the transmission to the final drive while maintaining ...
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  TwinPower

  Twin Power 91-17 FXD Dyna Front Motor Mount Replaces H-D 47583-90B

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  £124.94

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  High-quality replacement motor mounts for Dyna models from Twin Power™.This Part Fits: Year Make Model Submodel 2012-2016 Harley-Davidson FLD Switchback Base 1995-2010 Harley-Davidson FXD Dyna...
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  Twin Power 99-17 FXD Dyna Rear Motor Mount Replaces H-D 47567-99

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  £124.94

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  High-quality replacement motor mounts for Dyna models from Twin Power™.This Part Fits: Year Make Model Submodel 2012-2016 Harley-Davidson FLD Switchback Base 1999-2010 Harley-Davidson FXD Dyna...
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  TwinPower

  Twin Power 72-81 Big Twin and XL Master Cylinder Cover Gasket Replaces H-D 45012-7210 Pk

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  £40.94

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  Twin Power™ master cylinder cover gaskets for 1972-1981 Big Twin and XL models help ensure a proper seal under the cover, supporting consistent brake performance and fluid retention.This Part Fits:...
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  Twin Power 99-06 Twin Cam Exc 06 Dyna Cam Chain Guide Replaces H-D 39965-99

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  £11.54

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  Made from ABS plastic, the Twin Power™ Cam Chain Guide is perfect for TC 88 models.This Part Fits: Year Make Model Submodel 1999-2006 Harley-Davidson FLHR Road King Base 1999-2006 Harley-David...
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  TwinPower

  Twin Power 70-84 FL FX 4-Speed Models Inner Primary Bolt Retainer

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  £4.19

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  Twin Power™ Inner Primary Bolt Retainer prevents inner primary bolts from loosening and eliminates the need for safety wire, ensuring secure primary drive assembly on classic FL and FX 4-speed mode...
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  TwinPower

  Twin Power 99-06 Big Twin exc 06 Dyna Cam Chain Tensioner Outer Replaces H-D 39954-99A

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  £36.74

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  Complete cam chain tensioner assemblies feature the proven Twin Power™ shoe material for longer life, reduced friction, and higher temperature resistance.This Part Fits: Year Make Model Submodel ...
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  TwinPower

  Twin Power 04-17 Dyna EFI Check Valve Replaces H-D 61294-04B

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  £43.04

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  Twin Power™ EFT check valves ensure reliable fuel system operation across multiple Harley Touring, Softail, and Dyna models by preventing vapor lock and maintaining proper pressure as direct OEM re...
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  TwinPower

  Twin Power 08-17 Softail Models EFI Check Valve Replaces H-D 62189-08

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  £43.04

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  Twin Power™ EFT check valves ensure reliable fuel system operation across multiple Harley Touring, Softail, and Dyna models by preventing vapor lock and maintaining proper pressure as direct OEM re...