Originally Posted by
zuqbu
From
Tamiyablog:
Looks like the SR with the TRF420 suspension and a couple of driveshaft upgrades. I won’t upgrade from my SR but as that is discontinued I am glad Tamiya is continuing to release a tuned chassis for entry level racing.
One description says 419 arms the other 420. From pictures, they appear to be 420 arms. Issue with these arms is that the droop screw holes are on opposite side. Where as the old short reversible arms have droop screws on both sides.