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200,000+ Parts & Accessories
Our catalogue has grown extensively over the years and we now source a huge range of parts and accessories from a number of distributors from round the world.

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Order Online Or By Phone 
We're more than happy to have customers order which ever way they prefer. If you'd like to discuss anything over the phone prior to ordering we'd be delighted to help you.

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Simple Exchange Or Refund Policy 
We know when customers receive their orders there is always the possibility of needing to exchange or return items for a refund. Rest assured if you need to, we make it simple. See T&C's for more details.

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Price Match Promise 
We offer a price match promise on all items we sell. Use the "Seen it cheaper?" option found on the product pages to request a price match.

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ARH Custom Custom Motorcycle Parts and Accessories ARH Custom Custom Motorcycle Parts and Accessories
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Doss Pistons For Harley Davidson & Custom Motorcycles

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Showing 1 to 50 of 65 products in this section.
DOSS Replacement 9:1 Cast Piston Kit Standard Length For 1988-2003 XL1200 Models (ARM955405)
DOSS Replacement 9:1 Cast Piston Kit Standard Length For 1988-2003 XL1200 Models (ARM955405) $47.90
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

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DOSS Replacement Cast Piston 9:1 CR Standard Length For 1957-1971 XL900 Models (ARM182509)
DOSS Replacement Cast Piston 9:1 CR Standard Length For 1957-1971 XL900 Models (ARM182509) $33.48
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Standard 8.5:1 CR Replacement Cast Piston For 1984-1999 1340cc Evo Big Twin Models (ARM565609)
DOSS Standard 8.5:1 CR Replacement Cast Piston For 1984-1999 1340cc Evo Big Twin Models (ARM565609) $44.10
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 8.1 Standard Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM024405)
DOSS Replaceable Cast Piston 8.1 Standard Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM024405) $47.32
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS 80 Inch Replacement Flathead +.070 Inch Piston Kit For 1937-1941 80 Inch (1300cc) 3-7/16 Inch Bore Flatheads Models (ARM784649)
DOSS 80 Inch Replacement Flathead +.070 Inch Piston Kit For 1937-1941 80 Inch (1300cc) 3-7/16 Inch Bore Flatheads Models (ARM784649) $259.73
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

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DOSS Replaceable Cast Piston 9:1 CR Standard Length For 1972-1985 XL1000 Sportster Models (ARM063405)
DOSS Replaceable Cast Piston 9:1 CR Standard Length For 1972-1985 XL1000 Sportster Models (ARM063405) $42.15
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 9:1 CR +.030 Inch Length For 1972-1985 XL1000 Sportster Models (ARM573405)
DOSS Replaceable Cast Piston 9:1 CR +.030 Inch Length For 1972-1985 XL1000 Sportster Models (ARM573405) $38.34
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 9:1 CR +.070 Inch Length For 1972-1985 XL1000 Sportster Models (ARM062509)
DOSS Replaceable Cast Piston 9:1 CR +.070 Inch Length For 1972-1985 XL1000 Sportster Models (ARM062509) $38.34
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

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Wiseco, 107
Wiseco, 107" To 124" Big Bore Piston Conversion Kit (ARM555675) $404.64
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

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DOSS Replaceable Cast Piston 8.1 +.010 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM544405)
DOSS Replaceable Cast Piston 8.1 +.010 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM544405) $47.51
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement 9:1 Cast Piston Kit +.040 Length For 1988-2003 XL1200 Models (ARM665405)
DOSS Replacement 9:1 Cast Piston Kit +.040 Length For 1988-2003 XL1200 Models (ARM665405) $47.90
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement 9:1 Cast Piston Kit +.030 Length For 1988-2003 XL1200 Models (ARM465405)
DOSS Replacement 9:1 Cast Piston Kit +.030 Length For 1988-2003 XL1200 Models (ARM465405) $47.90
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement 9:1 Cast Piston Kit +.020 Length For 1988-2003 XL1200 Models (ARM365405)
DOSS Replacement 9:1 Cast Piston Kit +.020 Length For 1988-2003 XL1200 Models (ARM365405) $47.90
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement 9:1 Cast Piston Kit +.010 Length For 1988-2003 XL1200 Models (ARM265405)
DOSS Replacement 9:1 Cast Piston Kit +.010 Length For 1988-2003 XL1200 Models (ARM265405) $47.90
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement 9:1 Cast Piston Kit +.005 Length For 1988-2003 XL1200 Models (ARM165405)
DOSS Replacement 9:1 Cast Piston Kit +.005 Length For 1988-2003 XL1200 Models (ARM165405) $44.17
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

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DOSS Replacement Cast Piston 8.5:1 CR +.040 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM562509)
DOSS Replacement Cast Piston 8.5:1 CR +.040 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM562509) $43.85
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement Cast Piston 8.5:1 CR +.030 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM005405)
DOSS Replacement Cast Piston 8.5:1 CR +.030 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM005405) $47.36
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement Cast Piston 8.5:1 CR +.020 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM015405)
DOSS Replacement Cast Piston 8.5:1 CR +.020 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM015405) $48.75
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement Cast Piston 8.5:1 CR +.010 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM505405)
DOSS Replacement Cast Piston 8.5:1 CR +.010 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM505405) $48.75
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement Cast Piston 8.5:1 CR Standard Length For Late 1978-1984 1340cc Shovel Models (ARM594405)
DOSS Replacement Cast Piston 8.5:1 CR Standard Length For Late 1978-1984 1340cc Shovel Models (ARM594405) $48.75
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 9:1 CR +.060 Inch Length For 1972-1985 XL1000 Sportster Models (ARM553405)
DOSS Replaceable Cast Piston 9:1 CR +.060 Inch Length For 1972-1985 XL1000 Sportster Models (ARM553405) $38.34
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 9:1 CR +.050 Inch Length For 1972-1985 XL1000 Sportster Models (ARM583405)
DOSS Replaceable Cast Piston 9:1 CR +.050 Inch Length For 1972-1985 XL1000 Sportster Models (ARM583405) $42.15
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 9:1 CR +.040 Inch Length For 1972-1985 XL1000 Sportster Models (ARM083405)
DOSS Replaceable Cast Piston 9:1 CR +.040 Inch Length For 1972-1985 XL1000 Sportster Models (ARM083405) $38.34
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 9:1 CR +.020 Inch Length For 1972-1985 XL1000 Sportster Models (ARM563405)
DOSS Replaceable Cast Piston 9:1 CR +.020 Inch Length For 1972-1985 XL1000 Sportster Models (ARM563405) $42.15
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 9:1 CR +.010 Inch Length For 1972-1985 XL1000 Sportster Models (ARM073405)
DOSS Replaceable Cast Piston 9:1 CR +.010 Inch Length For 1972-1985 XL1000 Sportster Models (ARM073405) $42.15
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement Cast Piston 9:1 CR +.080 Inch Length For 1957-1971 XL900 Models (ARM982509)
DOSS Replacement Cast Piston 9:1 CR +.080 Inch Length For 1957-1971 XL900 Models (ARM982509) $33.41
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement Cast Piston 9:1 CR +.060 Inch Length For 1957-1971 XL900 Models (ARM782509)
DOSS Replacement Cast Piston 9:1 CR +.060 Inch Length For 1957-1971 XL900 Models (ARM782509) $35.24
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement Cast Piston 9:1 CR +.050 Inch Length For 1957-1971 XL900 Models (ARM682509)
DOSS Replacement Cast Piston 9:1 CR +.050 Inch Length For 1957-1971 XL900 Models (ARM682509) $33.18
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement Cast Piston 9:1 CR +.040 Inch Length For 1957-1971 XL900 Models (ARM582509)
DOSS Replacement Cast Piston 9:1 CR +.040 Inch Length For 1957-1971 XL900 Models (ARM582509) $33.18
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement Cast Piston 9:1 CR +.030 Inch Length For 1957-1971 XL900 Models (ARM482509)
DOSS Replacement Cast Piston 9:1 CR +.030 Inch Length For 1957-1971 XL900 Models (ARM482509) $35.11
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement Cast Piston 9:1 CR +.020 Inch Length For 1957-1971 XL900 Models (ARM382509)
DOSS Replacement Cast Piston 9:1 CR +.020 Inch Length For 1957-1971 XL900 Models (ARM382509) $33.48
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement Cast Piston 9:1 CR +.010 Inch Length For 1957-1971 XL900 Models (ARM282509)
DOSS Replacement Cast Piston 9:1 CR +.010 Inch Length For 1957-1971 XL900 Models (ARM282509) $33.48
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 8.1 +.070 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM554405)
DOSS Replaceable Cast Piston 8.1 +.070 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM554405) $46.64
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 8.1 +.060 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM534405)
DOSS Replaceable Cast Piston 8.1 +.060 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM534405) $46.64
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 8.1 +.050 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM524405)
DOSS Replaceable Cast Piston 8.1 +.050 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM524405) $47.32
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 8.1 +.040 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM044405)
DOSS Replaceable Cast Piston 8.1 +.040 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM044405) $47.32
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 8.1 +.030 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM054405)
DOSS Replaceable Cast Piston 8.1 +.030 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM054405) $46.64
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replaceable Cast Piston 8.1 +.020 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM034405)
DOSS Replaceable Cast Piston 8.1 +.020 Inch Length For 1941-Early 1978 1200CC/74 Shovel, Pan, Knuckle Models (ARM034405) $46.64
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement 7:1 CR Cast Piston +.040 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM125405)
DOSS Replacement 7:1 CR Cast Piston +.040 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM125405) $47.90
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement 7:1 CR Cast Piston +.030 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM025405)
DOSS Replacement 7:1 CR Cast Piston +.030 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM025405) $47.90
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement 7:1 CR Cast Piston +.020 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM035405)
DOSS Replacement 7:1 CR Cast Piston +.020 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM035405) $41.55
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement 7:1 CR Cast Piston +.010 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM525405)
DOSS Replacement 7:1 CR Cast Piston +.010 Inch Length For Late 1978-1984 1340cc Shovel Models (ARM525405) $41.55
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Replacement 7:1 CR Cast Piston Standard Length For Late 1978-1984 1340cc Shovel Models (ARM515405)
DOSS Replacement 7:1 CR Cast Piston Standard Length For Late 1978-1984 1340cc Shovel Models (ARM515405) $43.20
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Standard 8.5:1 CR Replacement Cast Piston +.040 Inch For 1984-1999 1340cc Evo Big Twin Models (ARM785609)
DOSS Standard 8.5:1 CR Replacement Cast Piston +.040 Inch For 1984-1999 1340cc Evo Big Twin Models (ARM785609) $44.04
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Standard 8.5:1 CR Replacement Cast Piston +.030 Inch For 1984-1999 1340cc Evo Big Twin Models (ARM585609)
DOSS Standard 8.5:1 CR Replacement Cast Piston +.030 Inch For 1984-1999 1340cc Evo Big Twin Models (ARM585609) $44.10
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Standard 8.5:1 CR Replacement Cast Piston +.020 Inch For 1984-1999 1340cc Evo Big Twin Models (ARM085609)
DOSS Standard 8.5:1 CR Replacement Cast Piston +.020 Inch For 1984-1999 1340cc Evo Big Twin Models (ARM085609) $46.82
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Standard 8.5:1 CR Replacement Cast Piston +.010 Inch For 1984-1999 1340cc Evo Big Twin Models (ARM575609)
DOSS Standard 8.5:1 CR Replacement Cast Piston +.010 Inch For 1984-1999 1340cc Evo Big Twin Models (ARM575609) $46.82
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS Standard 8.5:1 CR Replacement Cast Piston +.005 Inch For 1984-1999 1340cc Evo Big Twin Models (ARM075609)
DOSS Standard 8.5:1 CR Replacement Cast Piston +.005 Inch For 1984-1999 1340cc Evo Big Twin Models (ARM075609) $44.10
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS 80 Inch Replacement Flathead +.080 Inch Piston Kit For 1937-1941 80 Inch (1300cc) 3-7/16 Inch Bore Flatheads Models (ARM884649)
DOSS 80 Inch Replacement Flathead +.080 Inch Piston Kit For 1937-1941 80 Inch (1300cc) 3-7/16 Inch Bore Flatheads Models (ARM884649) $326.73
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

×
DOSS 80 Inch Replacement Flathead +.060 Inch Piston Kit For 1937-1941 80 Inch (1300cc) 3-7/16 Inch Bore Flatheads Models (ARM684649)
DOSS 80 Inch Replacement Flathead +.060 Inch Piston Kit For 1937-1941 80 Inch (1300cc) 3-7/16 Inch Bore Flatheads Models (ARM684649) $295.83
  EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 23 Apr and 26 Apr.

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