Product Description
Turn your stock 114" into a monster of a 128". For Water Cooled Milwaukee Eight models Only. Highlighted fins with chrome pushrod tubes. Gear Drive.
Fits: Harley M8 Models (Oil Cooled)
Big Bore Kit:
- 114" to 128" Big Bore Kit
- Wrinkle Black 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
- 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 .605 lift
- High Performance Conical Single Wire Spring
- Includes all gaskets, bearings, and hardware required for installation
- MADE IN USA
DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
Fitment
| Year | Make | Model | 
|---|---|---|
| 2018 | Harley-Davidson | Breakout - FXBR | 
| 2018 | Harley-Davidson | Breakout 114 - FXBRS | 
| 2018 - 2019 | Harley-Davidson | CVO Road Glide Custom FLTRXSE | 
| 2017 - 2019 | Harley-Davidson | CVO Street Glide FLHXSE | 
| 2018 | Harley-Davidson | Deluxe - FLDE | 
| 2017 - 2019 | Harley-Davidson | Electra Glide Police FLHTPI | 
| 2019 | Harley-Davidson | Electra Glide Standard EFI FLHTI | 
| 2017 - 2019 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | 
| 2017 - 2018 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | 
| 2017 - 2018 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL | 
| 2018 | Harley-Davidson | Fat Bob - FXFB | 
| 2018 | Harley-Davidson | Fat Bob 114 - FXFBS | 
| 2018 | Harley-Davidson | Fat Boy - FLFB | 
| 2018 | Harley-Davidson | Fat Boy 114 - FLFBS | 
| 2017 - 2018 | Harley-Davidson | Freewheeler FLRT | 
| 2019 | Harley-Davidson | FXDR 114 | 
| 2018 | Harley-Davidson | Heritage Classic - FLHC | 
| 2018 | Harley-Davidson | Heritage Classic 114 - FLHCS | 
| 2018 | Harley-Davidson | Low Rider - FXLR | 
| 2017 - 2019 | Harley-Davidson | Road Glide Custom FLTRX | 
| 2017 - 2019 | Harley-Davidson | Road Glide Special FLTRXS | 
| 2017 - 2018 | Harley-Davidson | Road Glide Ultra FLTRU | 
| 2017 - 2019 | Harley-Davidson | Road King EFI FLHR | 
| 2017 - 2019 | Harley-Davidson | Road King Special FLHRXS | 
| 2018 - 2019 | Harley-Davidson | Softail Breakout 114 FXBRS | 
| 2018 - 2019 | Harley-Davidson | Softail Breakout FXBR | 
| 2018 - 2019 | Harley-Davidson | Softail Deluxe FLDE | 
| 2018 - 2019 | Harley-Davidson | Softail Fat Bob 114 FXFBS | 
| 2018 - 2019 | Harley-Davidson | Softail Fat Bob FXFB | 
| 2018 - 2019 | Harley-Davidson | Softail Fat Boy 114 FLFBS | 
| 2018 - 2019 | Harley-Davidson | Softail Fat Boy FLFB | 
| 2018 - 2019 | Harley-Davidson | Softail Heritage Classic 114 FLHCS | 
| 2018 - 2019 | Harley-Davidson | Softail Heritage Classic FLHC | 
| 2018 - 2019 | Harley-Davidson | Softail Low Rider FXLR | 
| 2018 | Harley-Davidson | Softail Slim - FLSL | 
| 2018 - 2019 | Harley-Davidson | Softail Slim FLSL | 
| 2018 - 2019 | Harley-Davidson | Softail Sport Glide FLSB | 
| 2018 - 2019 | Harley-Davidson | Softail Street Bob FXBB | 
| 2018 | Harley-Davidson | Sport Glide - FLSB | 
| 2018 | Harley-Davidson | Street Bob - FXBB | 
| 2017 - 2019 | Harley-Davidson | Street Glide EFI FLHX | 
| 2017 - 2019 | Harley-Davidson | Street Glide Special FLHXS | 
Additional Information
            | MPN | 310-1104A | 
 
                     
                    