- Big Bore Kit
- Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining required
- 4-1/4" bore cylinders with 11:1 forged pistons
- Oil Pump/Cam Plate
- S&S oil pump/cam plate with blue anodized finish
- Passage plugs are removable for servicing
- Independent scavenge sections for flywheel cavity and cam chest
- Debris screen in both scavenge pickups
- Magnet in cam chest to help prevent debris from entering the oil pump
- Increased oil flow capacity on both the oil feed and scavenge side
- Adjustable pressure relief valve can be adjusted with the unit installed in the engine
- Pushrods
- Quikee pushrods with chrome pushrod tubes
- Tappets
- S&S premium tappets
- Tappet Cuffs
- S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
- Improve tappet stability in high-lift, high-rpm situations
- Cam
- S&S 550 cams designed for big bore applications
- Valve Springs
- S&S valve springs work with cams up to .605" lift
- High-performance conical single-wire spring design
- All necessary gaskets, bearings and hardware for bolt-on installation is included
- Made in the U.S.A.
- Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes.
Brand
S&S CYCLE
Vendor Part Number
310-1105B
Bore Size
4,250"
Cam Drive Type
Chain
Color/Finish
Non-Highlighted Fins, Wrinkle Black
Compression Ratio
11,1:1
Cooling System
Oil Cooled
Displacement
128"
Model
Power Package
Product Name
Performance Kit
Stroke Length
4,500"
Style
Big Bore
Type
Engine
Units
Kit
FatBook 2024
S&S CYCLE
POWER PK CHN M8 BLK OIL
09040086 / 310-1105B
4.970,93EUR*
*incl. 19% VAT
9+
In Stock
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Product Information
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