Input Shaft - Vasco 300 GM PG w/Turbo Spline

The Input Shaft – Vasco 300 GM PG w/Turbo Spline is a precision-engineered transmission component designed for high-performance Powerglide builds and turbocharged applications. Built by ATI Performance, a leader in transmission internals and motorsports parts, this input shaft serves as the critical connection point between the engine's torque converter and the transmission's gear train.

Manufactured from steel with a turbo spline design, this input shaft accommodates higher rotational forces and complex drivetrain dynamics inherent to turbocharged engines. The turbo spline profile enhances mechanical coupling between the shaft and driven components, reducing slippage and micro-movement under acceleration load. Weighing just 2.19 lbs, the shaft maintains optimal geometry for Powerglide transmissions while supporting increased horsepower and torque loads.

This component is ideal for builders modernizing classic Powerglide transmissions in turbocharged applications, small-block Chevy conversions, and motorsports platforms. The precision-ground spline engagement surfaces ensure consistent power delivery, while steel construction provides fatigue resistance essential for repeated boost cycles and sustained performance driving.