Description
The S&S Cycle Insert Power Tune 550-1664 delivers measurable gains in power and torque output while giving you precise control over engine tone and character. Whether you’re fine-tuning a stock engine or optimizing a modified build, this insert provides the flexibility to dial in performance without extensive fabrication work. Installation is straightforward and bolt-on, making it an accessible upgrade for riders who want results without downtime.
- Manufacturer: S&S Cycle
- Part Number: 550-1664
- Function: Power tuning insert
- Installation: Bolt-on
- Power adjustment: Yes
- Torque optimization: Yes
- Sound tuning: Adjustable
- Material: High-grade steel
- Professional installation: Not required
- Compatibility: Harley-Davidson engines
