80ci Cylinder Kit with 3-1/2in. Bore - Black. Fits Big Twin 1978-1984.

Features & Benefits:-

* 80ci with High Compression.

* 4-1/4" Stroke.

* 3-1/2" Bore.

* 5.330" Cylinder Length.

* 9.0:1 Compression.

* Includes Cylinders, Piston Kit, Head Bolts, Base Nuts & Head & Base Gaskets.

Tech Tips:-

* Can upgrade 74ci (1200cc) engines to 80ci when used with flywheel assembly # SS32-2235.

Proudly Made in the USA by S&S Cycle !