Description
If you’re building a big-bore Evolution engine, piston quality directly impacts reliability, ring sealing, and peak horsepower. S&S forged pistons are engineered to handle the increased displacement and combustion pressures of a stroker kit without compromise. These pistons are the foundation of a properly balanced big-twin platform.
Technical Specifications:
- Manufacturer: S&S Cycle
- Part Number: 92-1061
- Bore Size: 3-5/8″
- Piston Grade: Forged
- Application: HD Evolution twins
- Compatible Strokes: 4-1/4″, 4-1/2″, 4-5/8″
- Flywheel Diameter: 8-1/2″ stock
- Head Compatibility: S&S Super Stock
- Fitment: Big Bore Hot Set Up Kits
- Installation: Engine assembly required
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