Description
S&S Cycle - 128" Power Packages fits '17-'20 M8 Water/Oil-Cooled Engines
This Power Package increases your 114"/117" with a 4-1/2" stroke M8 to 128". It is available in a wrinkle black or black granite finish and your choice of cylinders with or without fin highlighting. You can also choose between a chain drive cam or a gear drive cam.
Features
- Big Bore Kit:
- 114" to 128" Big Bore Kit
- 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 Removable 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
- 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 U.S.A.
