Description
Exhaust valves are critical to your engine’s ability to expel combustion gases efficiently—weak or worn valves directly reduce horsepower and throttle response. Manley’s Race Master exhaust valves are engineered for sustained high-RPM operation with superior thermal stability and durability, making them essential for serious small-block Chevy builds pushing competitive power levels. This set of eight stainless-steel valves delivers the precision fitment and reliability you need to maximize performance without compromise.
- Race Master grade
- 1.500 in head diameter
- 0.342 in stem diameter
- 4.951 in total length
- Stainless steel construction
- Small Block Chevy compatible
- Set of 8 valves
- MPN: 11861-8









