S&S Cycle #91-7710 - Cylinder - 3.500" - Wrinkle Black with Highlighted Fins - Evolution Big Twin

This 3-1/2" bore wrinkle black cylinder set is for 80" or 89", 1984-'99 big twins are 5.550" in length.Individual cylinders and cylinder sets without pistons are bored slightly under normal size and are not honed.

Fitment

Year(s)	Make	Model Code	Model
1984-1999	Harley-Davidson	—	Big Twin