Sorry I took so long to reply, and you probably already have the part #'s, but here you go: Front oranges: W5181-55, Rear light yellows: W5183-65, and the cobalt's (for real high bite): W5183-72. Also, do NOT let the cobalt's scare you...even though they say that they are a "72" spring rate, they are actually in between a yellow and a blue rear. They are just a tick stiffer than the bright yellow rears. "I'll see you in the main" Also...here is the set up that I have been running: Front: #2 pistons, 2 limiters, Kyosho bright orange springs, 30wt oil, inside on the tower, outside on the arm. 1mm camber washer, and inside on the tower, and inside on the 3 hole caster block. 24.5mm ride height.



Rear: #2 pistons, 2 limiters, Kyosho bright yellow springs, 27.5 oil, inside on the tower, and inside on the arm. 1 washer under the u-brace ball stud located on the inside hole of the u-brace. B hole on the "A" plastic insert of the aluminum 0 degree hubs. 3 degree toe block with "1" degree of anti squat. 24.5mm ride height. Thick battery pad in the front, and a thin one in the rear. Of course, all the weights in the usual places too. I honestly feel the key to this set up is the K springs...car stays so flat in the corners, and jumps like a dream. I am back to running an "unshaved" u brace with the A hub inserts as the set up above shows.