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SPARE PARTS for Vintage Big Twin Harleys
Motors, cams, pistons, cylinders, flywheels, crankcases, ...
Low Compression
Medium Compression
High Compression
Three Piece Compession
One Piece
Compression Rings 3/32"
Three Piece Oil Rings 3/16"
One Piece Oil Ring
Parkerized
Chromed
1/4" diameter for 1915 - 1939 motors
3/16" diameter for 1940 - 1972 motors
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3 7/16" bore with Parkerized Compression Rings (3/32") & Three Piece Oil Rings (3/16")