Product Description
Turn your stock 114"/117" into a monster of a 128". For Water Cooled Milwaukee Eight models Only. Black Granite with highlighted fins and chrome pushrod tubes. Chain Drive.
Fits: Harley M8 Models (Water Cooled)
Big Bore Kit:
- 114" to 128" Big Bore Kit for Stock Stroke Flywheel
- Black Granite Finish
- Highlighted Fins
- No case machining required
- 4.250" bore
- Forged Pistons
- 11.1:1 Compression Ratio
Oil Pump/Cam Plate:
- Precision Machined from Billet Aluminum
- Blue Anodized Finish
- Passage Plugs Removeable for servicing
- Independant 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
Pushrods:
- Quickee Pushrods w/Chrome Pushrod Tubes
Tappets:
- 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
Cam:
- S&S 550 Cam- Designed for Big Bore Applications
- Chain Drive
Valve Springs:
- Work well with cams up to .605 lift
- High Performance Conical Single Wire Spring
- Includes all gaskets, bearings, and hardware required for installation
- MADE IN USA
Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes.
DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
Fitment
| Year | Make | Model |
|---|---|---|
| 2018 - 2019 | Harley-Davidson | CVO Road Glide Custom FLTRXSE |
| 2017 - 2019 | Harley-Davidson | CVO Street Glide FLHXSE |
Additional Information
| MPN | 310-1107B |
Fitment
| Year | Make | Model |
|---|---|---|
| 2018 - 2019 | Harley-Davidson | CVO Road Glide Custom FLTRXSE |
| 2017 - 2019 | Harley-Davidson | CVO Street Glide FLHXSE |