P/N 380223-MA. I see some red diaphragms but has been sitting on the shelf for years. Not sure what it's set up for but probably doesn't matter at this point. $100 OBO plus shipping.
The Biplane Forum is a large global active community of biplane builders, owners and pilots. From Pitts to Skybolts, to older barnstormers, all types are welcome.
The Biplane Forum is a private community. Subscriptions are only $49.99/year or $6.99/month to gain access to this great community and unmatched source of information not found anywhere else on the web.
Become a Subscribing Member and access the Biplane Forum in full!