Single Supertech 37mm Flat Exhaust Valve. Supertech valves come in either a dished or flat bottom. The valves are black nitride treated/coated which reduce friction at high rpms.
- Head Diam: 31.00mm (Std)
- Stem Diam: 5.48mm
- Length: 108.65mm
- Material: Black Nitrided
- Valve Type: Exhaust
Includes all 8 exhaust valves