S&S CYCLE Cylinder Set

S&S CYCLE Cylinder Set (M8) – 4.320" Bore, Unhoned Upgrade your Street performance with the S&S CYCLE Cylinder Set designed for M8 engines. This bolt-on pair features a 4.320" bore with a distinctive Black Granite finish and highlighted fins for standout style and durability. Key Features Bolt-on installation for straightforward fitment Stock bolt pattern for a direct replacement approach Updated cylinder profile for improved performance characteristics Bored slightly under nominal size and not honed (final machining/honing required during build) Made in the USA Not for CVO 121" engines Specifications Bore Size: 4.320" Type: Unhoned Riding Style: Street Units: Pair Color/Finish: Black Granite with highlighted fins Cylinder Bore Coating: Ductile Liner Weight: 25.4 lbs   |   Dimensions: 18.75" x 14.75" x 10.5"