S&S 128ci Oil-Cooled Power Package for M8 114, Wrinkle Black — 310-1103A

S&S 128 cubic-inch oil-cooled, chain-drive power package for applicable 2017-up Milwaukee-Eight 114 models with a stock-stroke flywheel. Wrinkle Black finish with highlighted fins and chrome pushrod tubes.

Big bore kit

• Converts 114ci to 128ci; 4.250-inch bore.
• Forged pistons and 11.1:1 compression ratio.
• No crankcase machining required.

Included components

• Billet aluminium oil pump and cam plate with blue anodised finish.
• Separate scavenge sections for the flywheel cavity and cam chest, debris screens and a cam-chest magnet.
• Removable passage plugs, increased feed/scavenge flow capacity and an adjustable pressure-relief valve accessible with the unit installed.
• Quickee pushrods with chrome tubes and S&S Precision tappets.
• Billet aluminium tappet cuffs with a hard-anodised black coating for added stability.
• S&S 550 chain-drive cam designed for big-bore applications.
• Conical single-wire valve springs suitable for cams up to 0.605-inch lift.
• Installation gaskets, bearings and hardware.
• Made in the USA.

Not recommended for Tri-Glide or other three-wheel models, including conversions, due to their lugging characteristics.

Part number: 310-1103A