Duane Scarborough
02-15-2011, 06:20 PM
Well, this isn't a FORMULA, but it may be of some use to folks. It's not where you'd order from, but the chart may be useful as a reference.
http://www.ringgearindia.com/docs/products.asp
Duane
http://www.ringgearindia.com/docs/products.asp
Duane