Billet Main Shaft | ZF 8HP45 / 8HP50 / 8HP51 TransmissionsThe ATS Billet Main Shaft is engineered for ZF 8HP45, 8HP50, and 8HP51 transmissions operating in high performance, high horsepower, and extreme duty environments where factory components can become a limiting factor. Precision machined from premium alloy steel, each shaft undergoes heat treatment and hardening processes to deliver exceptional strength, increased durability, and superior resistance to torsional fatigue under demanding conditions.
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