Big Bore kit yields excellent results with stock cylinder heads
Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)
Cylinders are constructed from premium aluminum castings with cast-in iron liners
Kit includes cylinders, pistons, rings and gaskets (head, base and exhaust)
Made in the U.S.A.
Project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.
Not recommended for trike models.
09310876/910-0733
Data sheet
Product Name
Cylinder Kit
Units
Kit
Base Color
Black
Material
Iron
Color/Finish
Black Granite| Highlighted Fins
Style
Big Bore
Bore Size
4,250"
Displacement
128"
Stroke Length
4-1/2"
Compression Ratio Imperial
11.0:1
Compression Ratio
11:1
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