Compatible RC Parts for: ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4)

Confirm the OEM/model number ARA4312V4, 4312V4 on your RC vehicle, box, manual, or parts diagram. This Model Collection lists the verified RCScrewZ Stainless Screw Kit, Rubber-Sealed Bearing Kit, and Metal-Shielded Bearing Kit assigned to ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4). A similar model name, body, scale, or chassis, is not enough to confirm fitment.

The model-specific RCScrewZ Stainless Screw Kit includes the stainless screws selected for common assembly locations on ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4), plus matching nuts and washers where required, extra common sizes, Bondhus short-arm hex wrenches, and a reusable storage case. Exact counts and sizes vary by kit. It does not include electronics, shocks, motors, engines, bearings, or molded plastic parts.

Each model-specific bearing kit contains the bearing sizes assigned to ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4), along with spare bearings and a reusable storage case. Depending on the model, a kit may include standard, flanged, one-way, or thrust bearings.

Choose Rubber-Sealed bearings for off-road use, dust, dirt, sand, mud, and lower-maintenance protection. Choose Metal-Shielded bearings for cleaner on-road or prepared surfaces when lower drag is the priority. Both kits are model-specific for ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4); the difference is the shield type and intended operating environment.

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