74ci High Compression Cylinder Kit with 3-7/16in. Bore – Black. Fits Big Twin 1966-1984.

Features & Benefits:-

* 74ci with High Compression.

* 3-31/32″ Stroke.

* 3-7/16″ Bore.

* 5.330″ Cylinder Length.

* 9.0:1 Compression

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

Proudly Made in the USA by S&S Cycle !

MFR PART No: 91-9012
ROLLIES PART No: SS91-9012