S&S Cycle 91-9011 S&S Cycle 66-78 74in BT & Stock Bore Strokers 3-7/16in Bore Cylinders - Gloss Black

This 3-7/16" bore gloss black cylinder set is for 1966-'78 big twin stock displacement 74" engines, as well as 84", 86", 88' 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.

Fitment

Year(s)	Make	Model Code	Model
1966-1984	Harley-Davidson	—	Big Twin