The ISR Performance driveshaft for LS swap on 350Z with a T56 transmission is specified as aluminum in the source text and is intended for that swap application. This driveshaft is tailored to the listed LS swap pairing and construction material, providing the correct drivetrain length and configuration for installations combining an LS motor with a T56 in 350Z chassis when aluminum is chosen for weight characteristics and compatibility.
ISR Performance Driveshaft LS Swap 350Z-T56- Aluminum