For your convenience, below are caliper and master cylinder casting numbers for 1953-82 Corvettes. Information courtesy of Lonestar Caliper Co.
| 1965-66 1st Design | 1967-72 2nd Design | 1973-82 2nd Design | |||
|---|---|---|---|---|---|
| Front | Rear | Front | Rear | Front | Rear |
| 5465954 | 5465902 | 5452270 | 5452281 | 5473795 | 5473806 |
| 5465952 | 5465905 | 5452273 | 5452284 | 5473796 | 5473807 |
| Year | Description | Casting # | |||
|---|---|---|---|---|---|
| 1953 | Indented Casting Numbers | 5450233 | |||
| 1954-56 | Embossed Casting Numbers | 5450233 | |||
| Jan 1957-Jan 1959 | Embossed Casting Numbers Small 022 |
5456022 | |||
| Feb 1959-1962 | Embossed Casting Numbers Large 022 |
5456022 | |||
| 1963 | Thumb Screw Cap Non Power Embossed |
5462389 | |||
| 1963 | Hex Head Cap Power w/Bleeder Embossed |
5452389 | |||
| 1964 | Non Power Embossed Casting Numbers |
5462264 | |||
| 1964 | Power w/Bleeder Screw Embossed |
5464264 | |||
| 1965 | Non-Power Indented Casting Numbers |
2225032 | |||
| 1965 | Early Power with 3/16″ Line Embossed |
5467084 | |||
| 1965-66 | Power w/ 1/4″ Line Embossed |
5467084 | |||
| 1967 Only | All Power & non-Power DC Stamped Except J-56 |
5455509 | |||
| 1967-76 | Non-Power DC Stamped Embossed |
5455509 | |||
| 1967-76 | Power PG Stamped Embossed | 5460346 | |||
| 1977-82 | ALL | 5460346 | |||
| N/A | ZC Stamped Master Cylinder | 5455509 |
These look like Julian dates, followed by year. 140th day of 1972 and 138th day of 1972, which would be appropriate codes for a car built in September as they precede it by a few months.
My Vette was built on Sept 1972, with date codes of 1402 and 1382. Exactly which dates are those?