I have a one piece lightweight under-driven crank pulley that I took off of my SVX. I am told it is the one from Motorsports Warehouse, but I didn't buy it (came on the car) so I'm not going to say it is, but it appears to use the same belts. I will include the belts so you can buy new ones of the correct length, but I wouldn't re-use them. Not as pretty as brand new, but not as expensive either
. It is aluminum and could be polished back up given the time and effort.
Asking $40 shipped to the USA. My PayPal address is north_ursalia -at- yahoo (dot) com.