- Transmission & Drivetrain
- Automatic Transmission Components
- Sonnax Extreme-Duty Transmission Main Shafts
Durability Race Engines with Over 1,000 HP!
Sonnax has developed the Extreme-Duty Transmission Main Shafts through extensive testing to handle the most radical racing applications. Engineered using high-strength Aermet alloy steel with Sonnax unique heat treatment to avoid the shortcomings of OE and aftermarket shafts that may twist the splines or even completely break.