Crankshafts
If Yr/Model is highlighted, pics are available
| 1963 Cobra 260 - CSX2000-CSX2075 | Crankshaft | C3OZ or 1M stamped into crank journal | |
| 1963-65 Cobra 289 - CSX2076-CSX2589 | Crankshaft | 1M stamped into crank journal; orange code; polished for hardness test | |
| 1965 Cobra 427 S/C-CSX3001-CSX3053 | Crankshaft | C5AE-6300-C or C4AE-B | cast iron 427; grooved main bearings area |
| 1965 GT350 | Crankshaft | 1-M stamped into crank journal, last journal polished for hardness test | |
| 1966 Cobra 427-CSX3101-CSX3199 | Crankshaft | C5AE-6300-C or C4AE-B | cast iron 427; grooved main bearings area |
| 1966 Cobra 428-CSX3200-CSX3300 | Crankshaft | C6ME or 1U found under #7 counterweight | |
| 1966 GT350 | Crankshaft | 1-M stamped into crank journal, last journal polished for hardness test | |
| 1967 Cobra 427-CSX3301-CSX3360 | Crankshaft | C5AE-6300-C | forged steel, cross drilled; "$" sign cast into crank |
| 1967 GT350 | Crankshaft | 1-M stamped into crank journal, last journal polished for hardness test | |
| 1967 GT500 | Crankshaft | C6ME or 1U found under #7 counterweight | |
| 1968 GT350 | Crankshaft | 2M cast into crank journal | |
| 1968 GT500 | Crankshaft | C6ME or 1U found under #7 counterweight | |
| 1968 GT500KR | Crankshaft | 1UB found under #7 counterweight | |
| 1969 GT350 | Crankshaft | 3M cast into crank journal | |
| 1969 GT500 | Crankshaft | cast iron 428 CJ, "1UB" found under counterweight | |
| 1969 GT500 | Crankshaft | 428 SCJ - "1UA" found under counterweight | |
| 1970 GT350 | Crankshaft | 3M cast into crank journal | |
| 1970 GT500 | Crankshaft | cast iron 428 CJ, "1UB" found under counterweight | |
| 1970 GT500 | Crankshaft | 428 SCJ - "1UA" found under counterweight |
| 1967 GT500 | Crankshaft | C6ME or 1U under #7 Counterweight |
