Breather Valve Service for 1948-1977

**Available for dealers only. Please contact our Motor Shop department for details.
Motorshop breather valve service can be performed on any 1948-1977 Big Twin right hand case. For repair of breather holes that have heavy wear or damage from metal particles, breather holes can be bored out and finish honed to accept a +.030 steel breather valve. Service includes boring, honing and new valve. For heavily worn breather holes a sleeving service is also available.