Description
If you’re running a Harley Big Twin and want genuine displacement gains without an engine swap, the S&S CYCLE 1250cc Piston Kit delivers the capacity increase your machine needs. Moving from 883cc or 1200cc to 1250cc unlocks measurable torque and horsepower improvements while maintaining reliability with proven S&S engineering. This is a cost-effective path to more power when paired with quality cylinder work and the right head combination.
Technical Specifications:
- Displacement: 1250cc
- Compression Ratio: 10.3:1
- Piston Design: Cast flat-topped
- Bore Size: 3-9/16″
- Compatibility: 1984–’99 HD Big Twins
- Stock Heads: Compatible (1200cc)
- Recommended Heads: S&S CNC ported
- Installation: Requires boring
- Compatible Cylinders: Stock 1200cc, 1986–’2003 883cc
- Not Compatible: 2004–’16 883cc cylinders
- Installation Type: Professional machine work
- Manufacturer: S&S CYCLE
- Part Number: 92-2046
