I understand most drift chassis can be modified to make body roll through long shocks, soft springs, thin oil, high motor + battery mount.
YEAH RACING 55mm shocks w/ a few drops of oil. Drill 6x 1/8" holes in each piston for more free flowing shocks. Stock MST 2.5 springs.
Travis 2 LCS roll
LP86 roll
Yokomo Super Drift SD 1.0 LTS roll
RC expert drifter interview with chassis, parts, adjustment, mods breakdown and explanation
transcript from the above video
https://www.zemerdon.com/viewtopic.php?t=196