S&S Cycle 124" Power Package (Water Cooled, Gear Drive) with Highlighted Fins and Chrome Pushrod Tubes for 2017-Up Milwaukee-Eight 107" Engines; Wrinkle Black Finish (310-1051A)

Big Bore Kit:

- 107" to 124" Big Bore Kit for Stock Stroke Flywheel.
- Wrinkle Black Finish.
- Highlighted Fins.
- Bolt on kit. No case machining required.
- 4.250" bore.
- Forged Pistons.
- 11:1 Compression Ratio.

Oil Pump/Cam Plate:

- Precision Machined from Billet Aluminum.
- Blue Anodized Finish.
- Passage Plugs Removeable for servicing.
- Independent Scavenge Sections for Flywheel Cavity and Cam Chest.
- Debris Screens in both scavenge pickups.
- Magnet in Cam Chest to help to stop debris from entering oil pump.
- Increased Flow Capacity on both Feed and Scavenge side.
- Adjustable Pressure Relief Valve is adjustable with unit installed in engine.


- Quickee Pushrods with Chrome Pushrod Tubes.


- S&S Precision Tappets.

Tappet Cuffs:

- Hard Anodized Black Coating.
- Billet Aluminum Construction.
- Stronger than Stock Material eliminates Distortion.
- Improve tappet stability in high lift and high rpm situations.


- S&S 550 Cam - Designed for Big Bore Applications.
- Gear Drive Cam provides improved cam timing accuracy and eliminate the stock cam chain tensioner.
- Gear Drive kit includes outer Drive Gears.

Valve Springs:

- Work well with cams up to 0.605 lift.
- High Performance Conical Single Wire Spring.
- Includes all gaskets, bearings, and hardware required for installation.