The Custom Motorcycle Magazine

Flatline! | 1973 Harley Davidson Shovelhead Chopper

New Life for a Resurrected Shovel

By Justin Duncan, Photography by
1973 Harley Davidson Shovelhead Chopper Cover Spread

Specifications
Bike OwnerJustin Duncan
Shop NameFlatline Fabrications (owner)
Year/Make/Model’73/Shovelhead/chopper
FabricationOwner
AssemblyOwner
Build TimeFour years

1973 Harley Davidson Shovelhead Chopper Exhaust Pipes

Engine
ManufacturerDelkron/S&S
Type/Size93ci/Shovelhead
BuilderSimms Bay Area Custom Cycles
CasesDelkron
CylindersS&S
HeadsHannans
CarbS&S Super E
Air CleanerS&S
ExhaustOwner

Transmission
Year/Manufacturer/TypeH-D/Five-speed
CaseS&S
ClutchPrimo Rivera
Primary DrivePrimo Rivera

Frame
Year/ManufacturerMid USA Rigid
RakeStock
StretchStock

1973 Harley Davidson Shovelhead Chopper Rear View

Suspension
ManufacturerFront H-D
Length2 inches under
Triple TreesStockpile/owner

Wheels, Tires, and Brakes
Manufacturer Front/TypeStockpile/Spoke
Size-Height/Width21x2.125
Tire/SizeMetzeler/9090/21
CaliperPM
RotorPM
Manufacturer Rear/TypeStockpile/Spoke
Size-Height/Width16x3.5
Tire/Size140 Metzeler
CaliperExile Sprotor
RotorExile

Finish/Paint
ColorHOKGalaxy grey, black, silver leaf, with red candy
PainterShane Leasure/Leasure Lines
GraphicsShane Leasure/Leasure Lines

Accessories
Rear FenderTrailer/owner
Fender StrutsOwner
Gas Tank and CapOwner
Oil TankOwner
HandlebarsWest Coast T-Bars
Hand ControlsPM/Owner
Foot ControlsExile with foot clutch
FootpegsExile
HeadlightStockpile
Taillight$10 special
License MountClamp on
SeatOwner

By Justin Duncan
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