3-1/2" Bore Cylinder Set for 1979-'84 80" Big Twins and Stock Bore Strokers - Gloss Black EXHAUST - BAD DAD TOURING Only American Suspension patented necks

Only American Suspension patented necks use race cups to take up the tolerances inherent in a production motorcycles neck

we receive many requests to convert leather bags to hard bags

(2000-2019 HD TOURING) We are excited to release our new line of wide tire front 21x5

Increased power and torque

3-1/2" Bore Cylinder Set for 1979-'84 80" Big Twins and Stock Bore Strokers - Gloss Black EXHAUST - BAD DAD TOURING Only American Suspension patented necksThis 3 1 2" bore gloss black cylinder set is for 1966 '84 80" big twins and stock bore strokers. They are 5. 330" in length and are made from high strength engineering grade grey cast iron. They offer excellent wear resistance and a durable powdercoat finish. Individual cylinders and cylinder sets without pistons are bored slightly under normal size and are not honed.