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S&S CYCLE Power Pack - Oil Cooled - M8 310-1056B

Part Number: 09040090
S&S CYCLE
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SKU:
09040090
MPN:
310-1056B
Condition:
New
Availability:
Ships Same Business Day
Weight:
44.80 LBS
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  • S&S CYCLE Power Pack - Oil Cooled - M8 310-1056B
  • S&S CYCLE Power Pack - Oil Cooled - M8 310-1056B
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MSRP: $3,265.95
Now: $2,939.36
Was: $3,265.95
— You save $326.59
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Description

The S&S Cycle Power Pack delivers the displacement and breathing efficiency your M8 demands without tearing down the engine. This bolt-on big bore kit combines precision-engineered components—forged pistons, a purpose-built cam, and an optimized oil system—to unlock reliable power gains while maintaining stock-level serviceability. Whether you're a track competitor or a serious builder, this is the foundation for maximizing your M8's potential.

  • 4.250" bore diameter
  • Forged piston construction
  • 11.1:1 compression ratio
  • Bolt-on installation
  • No case machining required
  • S&S 550 Cam included
  • Quickee pushrods
  • S&S premium tappets
  • Billet aluminum tappet cuffs
  • Precision-machined oil pump
  • Independent scavenge sections
  • Increased feed capacity
  • Increased scavenge capacity
  • Adjustable pressure relief valve
  • Debris screens on pickups
  • Magnetic cam chest protection
  • Removable passage plugs
  • MPN: 310-1056B
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Specs

BORE SIZE IMPERIAL:
4.250'
DISPLACEMENT:
124'
MODEL:
POWER PACKAGE
PRODUCT NAME:
PERFORMANCE KIT
RIDING STYLE:
STREET
TYPE:
ENGINE
CAM DRIVE TYPE:
CHAIN
STYLE:
BIG BORE
COLOR/FINISH:
HIGHLIGHTED FINS
COLOR/FINISH:
WRINKLE BLACK
COMPRESSION RATIO IMPERIAL:
11.0:1
COOLING SYSTEM:
OIL COOLED
UNITS:
KIT
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Fitment

Fitment for S&S CYCLE Power Pack - Oil Cooled - M8 310-1056B

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