Description
The stock hub and shaft is made of 4130 steel. TCS hot forged billet shaft is made of 4340M/300M steel. There is no comparison ins strength between the two metals. Please read the chart below to see for yourself. TCS base material is nearly 100% stronger than that of the OEM base shaft. No hocus pocus cryogenic heat treat and shot peening process will get you anywhere near what our material difference does.
| Material | Tensile Strength | Yield Strength |
|---|---|---|
| 4130 Steel | 97,200 PSI | 63,100 PSI |
| 4340/300M Steel | 280,000 PSI | 230,000 PSI |
| Strength Difference in % | 96.92% | 113.88% |
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