i need to get a hold of 12 degree Casale 1:24%- 1:28% or any between. im spinning 6200 rpm out of a big block chrysler with 1:15% gears, i want a larger gear to bring my r's down to around 4750-5250rpm, if anyone has info or a set for sale id be willing to trade or buy. call Jim @ 661-945-2309 thanks.