the Biltwell stainless steel Thunder riser is the ticket

as the head of a standard allen bolt will fit flush inside

Tiger etc and also BSA A50 and A65 motorcycles from 1967 and up

flat head allen bolts which sit flush

These have a bit more sidewall than many fenders allowing you to do something a bit different with your fender struts or sissy bar

#2294-14 Inner Primary Mounting Kit 1999-2005 Harley-Davidson Dyna Glide 2000-2006 Softail 2001-2006 FLT Brand_Cycle Electric the Biltwell stainless steel ThunderComplete hardware kit properly mounts inner primary on 1999 2005 Dyna Glide, 2000 2006 Softail, and 2001 2006 FLT. Made in Ohio, USA.