Big Bore Cylinder Kit

Features

• The Big Bore kit yields excellent results with stock cylinder heads (not for Twin Cooled motors) unless noted
• Easy installation: no need to bore or split existing cases, just swap the cylinders (unless noted)
• Cylinders are constructed from premium aluminum castings with cast-in iron liners
• Kits include cylinders, pistons, rings and gaskets (head, base and exhaust)
• Black or silver powder-coat finish
• Made in the U.S.A.
• This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

Specs

• Product Name: Cylinder Kit
• Style: Big Bore
• Base Color: Black
• Color/Finish: Black / Highlighted Fins
• Material: Iron
• Bore Size: 4.250"
• Displacement: 128"
• Stroke Length: 4-1/2"
• Compression Ratio: 11.0:1
• Units: Kit
• Riding Style: Street

Fitments