I have a 1967 to 1970 Mustang and Cougar steering box. Comes with mounting bolts. The box is a 16 to 1 ratio with a one inch staff. 3 3/4 lock to lock. The casting code is C6Zr 3550A Date code is 6L29 The code on the ID tag is SMB- E 6M19B. $50 plus shipping.