Very clean modified set of 31 pitch Blackhawk props. They ran like my 29s. I did not do the modifications. It looks like the diameter is reduced and the shape of the blades are slightly different from stock. Rear prop is polished. I ran them through BBlades a few years back and then they have been on the shelf. $1800 plus shipping.







Stock 31 on top of the modified 31 rearward prop.

Stock 29 on top of the modified 31 forward prop.

Hi I m looking for a set of 31 but need them stock do you have any

Sorry, I do not have any others for sale.

I'm interested if these are still available. If so please reach out via DM.

I'm interested and would like to buy but my user level is not high enough to reply to private messages. I can read your messages.