from a little parts research, i see the clutch size, diaphram depth, and spline are all the same, on both 22re truck/4runner and celicas. but the clutch kit part numbers dont match up, i'm assuming they use the same cluth disc and pressure plate, but have a differnt throw out and piolet bearing. im not for sure on this but it appears that at least the disc and pressure plate could be reused. im also pretty sure the w and g series use the same clutch, its the r series that is different (bigger).