Description

Cylinder – 3.500″ – Natural Finish – Evolution Big Twin

• 3.500″ bore cylinders are for 80″ or 89″ big twins with stock, S&S® Performance, or Super Stock® heads
• Thicker castings, larger cooling fins, and better wear resistance than stock cylinder
• Bored slightly under normal size and are not honed
• Stock replacement with cast iron liner
• Includes dowel pins
• Made in the USA
• Super Stock® pistons for 80″ engines can be used with stock 80″ flywheels without rebalancing.