- Exhaust valve 40mm
- Stem diameter 8mm
- seat angle 30°
- Bimetal nitrided
- Stellite armored
- Lead free suitable
Nitrided exhaust valve in 40mm with 8mm stem and a seat angle of 30° for all two-valve boxers. Top quality valves for your BMW two-valve boxer, higher quality than the original version and of course lead-free suitable.