
The Driveshaft Shop one-piece steel driveshaft for Toyota IS300 (1998–2005) with an R154 transmission conversion is a model-specific steel replacement for that swap. Offered to suit IS300 cars fitted with an R154 gearbox, this single-piece steel shaft provides a purpose-built driveline component for that explicit conversion scenario.
DSS Toyota IS300 1998-2005 w/R154 Trans Conversion 1-Piece Steel Driveshaft TOSH12-S