Description

  • 114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kit
  • Bolt-in kit, case maching not required
  • Forged pistons
  • Includes oil pump/cam plate, pushrods with chrome covers, tappets, tappet cuffs, S&S 550 camshaft, and valve springs
  • Not for 121" CVO models.
  • Not for any Trike models.
  • Intake/rocker cover gaskets not included.

Common specifications

Brand
S&S CYCLE
Bore Size
4.250"
Color/Finish
Black Granite, Highlighted Fins
Compression Ratio
11.1:1
Displacement
128"
Model
Power Package
Stroke Length
4.500"