Description
If you’re building a high-displacement Harley big twin with serious compression and real-world reliability, this S&S Cycle cylinder and piston kit delivers the precision engineering you need to make power without compromise. These forged pistons and CNC-ported cylinders are engineered to handle aggressive ignition timing and forced induction setups while maintaining factory compatibility with stock or S&S cylinder heads. This is a complete, fitted kit—no guesswork, no machine shop surprises.
What’s Included:
- Forged pistons (dished, 10.9cc)
- Wrist pins and circlips
- Piston rings (complete set)
- CNC-machined cylinders
- Head gaskets (pair)
- Base gaskets (pair)
- Exhaust gaskets (pair)
Technical Specifications:
- Compression ratio: 10.6:1
- Piston design: Dished forged
- Stroke: 4.625 inches
- Compatible heads: Stock or S&S
- Bolt pattern: Stock fitment
- Material: Forged aluminum pistons
- Installation: Requires crankcase machining
- Manufactured: United States
- MPN: 910-0324
