Sonnax Heavy-Duty Input Shafts

Upgrade Your Automatic Transmission for Maximum Strength!

Automatic transmission input shaft failure can be a common problem as power levels increase. Sonnax offers heavy and extreme-duty input shafts that are machined from specially heat-treated steel and utilize harder outer layers and ductile inner cores for strength and resistance. These shafts are suitable for any high-horsepower street, strip, or towing application.