S&S Cycle 910-0850A Big Bore Cylinder Kit Black Granite Highlighted Fins - 136 M8

The S&S Cycle 136" Big Bore Cylinder Kit is engineered to deliver maximum displacement for Harley-Davidson Milwaukee Eight engines. This bolt-on performance upgrade features premium aluminum cylinders with cast-iron liners and a distinctive black granite finish with highlighted fins that matches factory powder coat finishes.

Key Features:

• Increases 107" engines to 129" and 114" engines to 132" displacement
• Can achieve 136" displacement when paired with S&S 4.625" stroker flywheel (sold separately)
• 4.320" bore diameter - the largest cylinder bore possible without machining crankcases
• Bolt-on installation retains stock engine height and original serial numbers
• Includes forged pistons, piston rings, MLS (multi-layered steel) head gaskets, base gaskets, exhaust gaskets, and cam cover badge
• Premium aluminum castings with cast-in iron liners for superior heat dissipation
• Black granite powder coat finish with highlighted cooling fins
• Made in the U.S.A.

This complete kit provides everything needed to transform your Milwaukee Eight engine into a high-performance powerhouse. Professional installation by a skilled technician is required, and all clearances and assembly specifications must be verified during installation.