[Pipeliner2]

Here is a thought used one on Ebay $ 77 bucks

HARLEY Rear Sprocket / Pulley Touring Softail Dyna 65 T 1-1/4" Wide 17843 R04 | eBay

Rear Driven Sprocket / Pulley 65 Teeth - used PN 40217-79A Genuine HD used 65 teeth by 1-1/4" black rear sprocket. Fits Touring, Softail and Dyna models with 1-1/4" belt. See the list below. COUNT THE TEETH ON YOUR SPROCKET TO ASSURE THE CORRECT FIT. You are buying what is pictured. Nothing...

www.ebay.com

 

[Pipeliner2]

And here is yet another option, convert to Chain Drive all in for just ubder $300.

Bolt On Chain Drive Conversion Kit Rear Sprocket Harley Dyna FXD Club Drag 00-05 | eBay

FXD rear chain and sprocket kit for 5 speed models. 2000-2005 Dyna Models. NOTE: Chain must be cut to length, kit includes a chain breaker tool.

www.ebay.com

 

[Pipeliner2]

likely not, with out changing the belt as well. Go to ebay, do a search, used rear sprockets for Harley. there are 3, 70 tooth sprockets for sale.