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Kit shock setup. Part numbers link to AMain.
Out of the box the D819 runs 55 wt front, 45 wt rear (Team Orion oil), on 5 x 1.5mm front, 5 x 1.6mm rear pistons. That is the kit setup; you will need to adjust it for your track conditions. The RC Setup App can help dial it in.
The kit springs are Gold 79.6gF (#109810) front, Yellow 65.7gF (#109815) rear. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.
The kit diff fluid is 7,000 cst front, 5,000 cst center, 2,000 cst rear. Thicker front adds steering on power; thicker center sends more drive rearward; thicker rear stabilizes the car under throttle.
Free to start · iOS & Android
Your HB D819 is in the RC Setup App
Save every setup change you make to your HB D819, get AI tuning answers for that exact car, and log your races — at the track or back in the pits.

