S&S CYCLE Piston Kit 920-0027
Part Number: 09105260S&S CYCLE
- SKU:
- 09105260
- MPN:
- 920-0027
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
Description
If you're running an 883cc or 1200cc Big Twin and want measurable power gains without a complete engine overhaul, this S&S piston kit delivers a straightforward displacement bump to 1250cc with a solid 10.3:1 compression ratio. The cast flat-top design balances reliability with performance, making it an ideal upgrade for riders who want more torque and horsepower without exotic materials or extreme tuning. Pair it with S&S ported cylinder heads for optimal results, or run it with stock 1200cc heads if your setup demands simplicity.
- Displacement: 883cc → 1250cc
- Compression Ratio: 10.3:1
- Piston Design: Cast flat-top
- Bore Size: 3-9/16"
- Fitment: 1984–1999 HD Big Twins
- Compatible Heads: Stock or S&S performance
- Stock 1200cc cylinders: Requires boring
- 1986–2003 883cc cylinders: Requires boring
- 2004–2016 883cc cylinders: Not compatible
- Installation: Professional machine work required
- MPN: 920-0027
Specs
BORE OVERSIZE - IMPERIAL: |
+0.020' |
PRODUCT NAME: |
PISTON KIT |
RIDING STYLE: |
STREET |
BORE - OVERSIZE: |
+0,020' |
DISPLACEMENT: |
80' |
PISTON HEAD SHAPE: |
FLAT TOP |
TYPE: |
REPLACEMENT |
BORE SIZE IMPERIAL: |
3.500' |
PISTON MATERIAL: |
CAST |
STROKE LENGTH IMPERIAL: |
4-1/4' |
UNITS: |
KIT |
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