SBC H/P 1.625in Exhaust Valve

The SBC H/P 1.625in Exhaust Valve from FERREA is a precision-engineered exhaust valve purpose-built for Small Block Chevy engines demanding high-performance reliability. Whether you're building a street engine, preparing for track duty, or restoring a classic Chevy, this stainless steel exhaust valve delivers the durability and flow characteristics required for aggressive cam profiles and elevated RPM operation. FERREA's 5000 Series represents the gold standard for serious engine builders who refuse to compromise on valve quality.

Constructed from premium stainless steel, the SBC H/P 1.625in Exhaust Valve features a 1.625-inch head diameter paired with an 11/32-inch valve stem and measures 5.010 inches in overall length—dimensions precisely matched to Small Block Chevy cylinder head specifications. The stainless material composition resists thermal fatigue, corrosion, and the thermal cycling inherent in performance driving, while the compact 0.3 lb weight minimizes inertial load on valve train components. This design allows the valve to seat properly under high boost conditions and aggressive valve events without hanging open or causing seat erosion.

Engine builders and mechanics upgrading SBC cylinder heads typically install SBC H/P 1.625in Exhaust Valves in matched pairs or complete valve sets when turbocharged, supercharged, or nitrous-equipped builds demand superior heat resistance and longevity. This valve excels in applications where stock or cast iron valves fail prematurely due to heat stress and chemical attack from extended high-temperature exposure. Installation requires proper valve seat machining and spring seat pressure verification to ensure optimal sealing geometry; professional machine shop preparation is strongly recommended for peak performance and reliability.