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Original price $229.99 - Original price $229.99
Original price
$229.99
$229.99 - $229.99
Current price
$229.99

8-Finned Panhead Cam Cover Natural - V-Twin 10-0066 - OEM 25216-48

V-Twin Manufacturing

OEM #: 25216-48, 584-48 Cam cover includes bushings and breather pipe. 8-finned cover has a natural finish. The bushings are for the early pinion s...

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Original price $229.99 - Original price $229.99
Original price
$229.99
$229.99 - $229.99
Current price
$229.99
Original price $1,879.99 - Original price $1,879.99
Original price
$1,879.99
$1,879.99 - $1,879.99
Current price
$1,879.99

S&S Stock Bore Engine Crankcase Set - S&S Cycle 31-0010

S&S Cycle

S&S Cycle #: 31-0010 Crankcase set for 1965-1969 Big Twin Shovelhead engine comes ready to assemble. S&S crankcase sets are shipped set up ...

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Original price $1,879.99 - Original price $1,879.99
Original price
$1,879.99
$1,879.99 - $1,879.99
Current price
$1,879.99
Original price $4,169.99 - Original price $4,169.99
Original price
$4,169.99
$4,169.99 - $4,169.99
Current price
$4,169.99

Evolution 80 Short Block - V-Twin 10-0008 - Evolution 1991-1998

V-Twin Manufacturing

V-Twin short block comes fully assembled. Unit features an S&S crankcase Sifton oil pump and breather assembly stock stroke flywheels Timken be...

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Original price $4,169.99 - Original price $4,169.99
Original price
$4,169.99
$4,169.99 - $4,169.99
Current price
$4,169.99
Original price $269.99 - Original price $269.99
Original price
$269.99
$269.99 - $269.99
Current price
$269.99

8-Finned Knucklehead Cam Cover Die Cast - V-Twin 10-0065 - OEM 25216-36

V-Twin Manufacturing

OEM #: 25216-36, 584-36 8-finned cam cover includes bushings and breather pipe with a stock die cast finish. Cam cover bushings must be checked and...

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Original price $269.99 - Original price $269.99
Original price
$269.99
$269.99 - $269.99
Current price
$269.99
Original price $1,879.99 - Original price $1,879.99
Original price
$1,879.99
$1,879.99 - $1,879.99
Current price
$1,879.99

S&S Stock Bore Engine Crankcase Set - S&S Cycle 31-0008

S&S Cycle

S&S Cycle #: 31-0008 Crankcase set for Panhead engines comes ready to assemble. S&S Crankcase Sets are shipped set up with Timken left side...

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Original price $1,879.99 - Original price $1,879.99
Original price
$1,879.99
$1,879.99 - $1,879.99
Current price
$1,879.99
Original price $3,619.99 - Original price $3,619.99
Original price
$3,619.99
$3,619.99 - $3,619.99
Current price
$3,619.99

Evolution 80 Short Block - V-Twin 10-0007 - Evolution 1984-1991

V-Twin Manufacturing

V-Twin short blocks are shipped fully assembled. Unit features an S&S crankcase Sifton oil pump and breather assembly stock stroke flywheels Ti...

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Original price $3,619.99 - Original price $3,619.99
Original price
$3,619.99
$3,619.99 - $3,619.99
Current price
$3,619.99
Original price $1,629.99 - Original price $1,629.99
Original price
$1,629.99
$1,629.99 - $1,629.99
Current price
$1,629.99

S&S Stock Bore Shovelhead Engine Crankcase Set - S&S Cycle 31-0003

S&S Cycle

S&S Cycle #: 31-0003 Crankcase set comes ready to assemble. S&S Crankcase Sets are shipped set-up with Timken left side bearing and race as...

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Original price $1,629.99 - Original price $1,629.99
Original price
$1,629.99
$1,629.99 - $1,629.99
Current price
$1,629.99
Original price $1,629.99 - Original price $1,629.99
Original price
$1,629.99
$1,629.99 - $1,629.99
Current price
$1,629.99

Stock Bore Engine Crankcase Set - S&S Cycle 31-0005 - Evolution 1992-1998

S&S Cycle

S&S Cycle #: 31-0005 Crankcase set for V2 type engines comes ready to assemble. S&S crankcase set includes Timken left side bearing race as...

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Original price $1,629.99 - Original price $1,629.99
Original price
$1,629.99
$1,629.99 - $1,629.99
Current price
$1,629.99
Original price $3,609.99 - Original price $3,609.99
Original price
$3,609.99
$3,609.99 - $3,609.99
Current price
$3,609.99

Shovelhead 80 Short Block - V-Twin 10-0006

V-Twin Manufacturing

V-Twin short block is shipped fully assembled and a Manufacturer Statement of Origin is supplied. Unit features an S&S crankcase oil pump and b...

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Original price $3,609.99 - Original price $3,609.99
Original price
$3,609.99
$3,609.99 - $3,609.99
Current price
$3,609.99
Original price $1,629.99 - Original price $1,629.99
Original price
$1,629.99
$1,629.99 - $1,629.99
Current price
$1,629.99

S&S Engine Crankcase Set Stock Bore - S&S Cycle 31-0000 - Evolution 1984-1991

S&S Cycle

Natural crankcase set for 1984-1991 Big Twin V2 type engine comes ready to assemble. S&S crankcase set includes Timken left side bearing race a...

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Original price $1,629.99 - Original price $1,629.99
Original price
$1,629.99
$1,629.99 - $1,629.99
Current price
$1,629.99
Original price $199.99 - Original price $199.99
Original price
$199.99
$199.99 - $199.99
Current price
$199.99

Chrome Nose Cone Cam Cover - Motorshop 35-0015 - Big Twin 1973-1992

Motorshop

Cam cover features installed bushings. Cover includes seal gaskets and mounting screws. Motorshop part #: 35-0015 Fitment: 1973-1984 FL 1986-199...

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Original price $199.99 - Original price $199.99
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$199.99
$199.99 - $199.99
Current price
$199.99
Original price $64.99 - Original price $64.99
Original price
$64.99
$64.99 - $64.99
Current price
$64.99

Connecting Rod Race Set - Motorshop 20267 - Ironhead 1957+

Motorshop

Sets are made from 52100 steel and hardened. Motorshop part #: 20267 Measurements: Outer Diameter: 1.812 inches Inner Diameter: 1.599 inches Fitme...

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Original price $64.99 - Original price $64.99
Original price
$64.99
$64.99 - $64.99
Current price
$64.99
Original price $64.99 - Original price $64.99
Original price
$64.99
$64.99 - $64.99
Current price
$64.99

Secondary Cam Drive Chain - V-Twin 10-0481 - Twin Cam 1999-2006

V-Twin

Secondary cam drive chain is for Twin Cam models. Fitment: 1999-2006 FLHR 2000-2006 FLHRCI 2000-2006 FLHRI 2000-2003 FLHRSEI 1999-2006 FLH...

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Original price $64.99 - Original price $64.99
Original price
$64.99
$64.99 - $64.99
Current price
$64.99
Original price $29.99 - Original price $29.99
Original price
$29.99
$29.99 - $29.99
Current price
$29.99

Balancer Chain Tensioner Guide Kit - V-Twin 10-0587 - Twin Cam Softail 2000-2017

V-Twin

Balancer chain guide kit is a three piece kit including the front lower and rear guides. Fitment: 2000-2017 FLST 2000-2017 FXST

Original price $29.99 - Original price $29.99
Original price
$29.99
$29.99 - $29.99
Current price
$29.99
More about Engine

Our Engine catalog covers Harley-Davidson Big Twin and Sportster models, with everything organized below so you can go straight to the part you need. Sourced primarily from Colony, with genuine OEM-spec pieces filling in where it counts.

Everything below is organized by sub-category - Seals, Gaskets & O-Rings, Rocker Box, Cam, Piston, Tools, and Oil Pump - so you can jump straight to what your build needs next.

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