Fomoco Low Life;
The only person I know of who is making blower kits for Y Blocks is Gord McMillen. He lives in Calgary, Alberta Canada. His e-mail is; rexrep@telusplanet.net
His kits are all custom made from aluminum and are nothing like the stock set-up. He uses a cogged (tooth) pulley on both the supercharger head and crank pulley. Gone is the two piece split pulley on the head unit and V-Belt. His kits are set-up for passanger side mount and are complete with everything; pulleys, belt, bracket, tensioner pulley, hoses, bonnet and air filter (I think). You will need to supply the carb and fuel pump (carb needs to be modified and also the fuel pump).
I have been working with him on my set-up and he has been very helpful and has provided lots of information and pictures for me to reference.
Good Luck,
Rono
Ron Lane, Meridian, ID