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S&S CYCLE 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Non-Highlighted Fins - M8 310-1228

Part Number: 09040113
S&S CYCLE
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SKU:
09040113
MPN:
310-1228
Availability:
Ships Same Business Day
Weight:
45.05 LBS
On Sale
  • S&S CYCLE 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Non-Highlighted Fins - M8 310-1228
  • S&S CYCLE 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Non-Highlighted Fins - M8 310-1228
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MSRP: $3,559.95
Now: $3,203.96
Was: $3,559.95
— You save $355.99
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Description

If you're running a 107" M8 and want serious displacement gains without tearing down your engine or machining your cases, the S&S Cycle 129" Power Package delivers the cc's and performance you need. This kit transforms your oil-cooled M8 into a genuine 129" powerplant with matched components engineered to work together—no guesswork, no compatibility issues. You get the displacement bump, improved breathing, and reliable power delivery that separates a bolt-together kit from a purpose-built performance system.

  • Displacement: 107" to 129"
  • Big bore cylinders included
  • No case machining required
  • Matched 550 cam included
  • Gear drive configuration
  • Oil-cooled design
  • Non-highlighted fins
  • Fits M8 engines
  • Works with stock crankcase
  • High-performance conical valve springs
  • Independent scavenge sections
  • MLS head gaskets
  • Debris screen in pickups
  • Magnet in cam chest
  • Removable passage plugs
  • Serial numbers retained
  • Made in the USA
  • MPN: 310-1228
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