Description
Maximizing exhaust flow is critical to unlocking your Big Twin’s full potential, and valve quality directly impacts combustion efficiency and horsepower delivery. The S&S Cycle 1.72″ exhaust valve is engineered to precise tolerances and manufactured in the U.S.A., ensuring reliable sealing under high RPM and high-heat conditions. Upgrading to a quality valve like this one eliminates flow restrictions and supports stronger top-end performance, whether you’re building a custom cruiser or optimizing an existing platform.
- 1.72″ valve diameter
- Big Twin compatibility (1990-2022)
- U.S.A. manufactured
- Precision-engineered tolerances
- High-temperature rated
- Direct bolt-on installation
- OEM replacement quality
