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S&S CYCLE Piston Kit 920-0026

Part Number: 09104522
S&S CYCLE
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SKU:
09104522
MPN:
920-0026
Condition:
New
Availability:
Ships Same Business Day
Weight:
2.46 LBS
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MSRP: $169.95
Now: $152.96
Was: $169.95
— You save $16.99

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Description

If you're running an 883cc or 1200cc Big Twin and want measurable power gains without a complete engine rebuild, a displacement bump to 1250cc delivers real results. The S&S CYCLE 920-0026 piston kit gets you there with a straightforward bore upgrade, pairing cast flat-top pistons engineered for reliability at elevated compression. This is a bolt-on path to more torque and horsepower when matched with the right cylinder package.

Fitment & Compatibility:

  • 1984–1999 HD Big Twins
  • Stock or S&S Performance heads
  • Stock 1200cc cylinders: compatible
  • 1986–2003 883cc cylinders: bored required
  • 2004–2016 883cc cylinders: not compatible

Technical Specifications:

  • Displacement: 1250cc
  • Compression ratio: 10.3:1
  • Piston design: Cast flat-top
  • Bore size: 3-9/16"
  • S&S CNC ported heads: recommended
  • Installation: Bore and hone
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Specs

DISPLACEMENT:
80'
PISTON HEAD SHAPE:
FLAT TOP
TYPE:
REPLACEMENT
BORE - OVERSIZE:
+0,010'
STROKE LENGTH IMPERIAL:
4-1/4'
BORE SIZE IMPERIAL:
3.500'
PISTON MATERIAL:
CAST
UNITS:
KIT
BORE OVERSIZE - IMPERIAL:
+0.010'
PRODUCT NAME:
PISTON KIT
RIDING STYLE:
STREET
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Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

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Perfect Fit

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