S&S CYCLE Power Pack - Oil Cooled - M8 310-1105B
Part Number: 09040086S&S CYCLE
- SKU:
- 09040086
- MPN:
- 310-1105B
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 54.20 LBS
Description
The S&S Cycle Power Pack delivers the displacement and breathing capacity serious M8 builders need without case machining or extensive fabrication. This bolt-on kit pairs a 4.250" bore with precision-engineered internals—forged pistons, billet oil pump, premium tappets, and a purpose-built 550 cam—to unlock measurable horsepower and torque gains while maintaining engine reliability. Whether you're chasing street performance or track-ready power, this kit gives you the engineering and component quality that separates S&S from bolt-together alternatives.
- Bore: 4.250"
- Compression ratio: 11.1:1
- Pistons: Forged
- Installation: Bolt-on
- Case machining: None required
- Oil pump: Billet aluminum
- Oil pump design: Independent scavenge sections
- Scavenge pickups: Dual debris screens
- Cam chest: Magnetic debris trap
- Oil system: Increased flow capacity
- Pressure relief: Adjustable in-engine
- Pushrods: Quickee design
- Tappets: S&S premium
- Tappet cuffs: Billet aluminum
- Tappet cuff benefit: Eliminates distortion
- High-RPM stability: Improved
- Cam: S&S 550
- Cam application: Big bore optimized
- MPN: 310-1105B
Specs
BORE SIZE IMPERIAL: |
4.250' |
COLOR/FINISH: |
NON-HIGHLIGHTED FINS |
COMPRESSION RATIO IMPERIAL: |
11.1:1 |
MODEL: |
POWER PACKAGE |
RIDING STYLE: |
STREET |
STROKE LENGTH IMPERIAL: |
4.50' |
STYLE: |
BIG BORE |
TYPE: |
ENGINE |
DISPLACEMENT: |
128' |
PRODUCT NAME: |
PERFORMANCE KIT |
CAM DRIVE TYPE: |
CHAIN |
COLOR/FINISH: |
WRINKLE BLACK |
COOLING SYSTEM: |
OIL COOLED |
UNITS: |
KIT |
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