I have a few 9 inch and 12 bolt gears. A 9 inch 3.10 low drag narrow gear polished new . Cost the race teams around $2200 $200.00. Also have a 3.45 rem polished used $125.00. ford 2.47 $75 . 12 bolt 2.56 and 2.73 , $75 each. Also have 2 strange 12 bolt 9 inch drop outs. 1 used with spool and one new.$275 each. Can bring to Bonneville.