YZ-4 S4Arm-Compatible Rear Mount RR (B-Chamfer) - Z4-300SRR by Yokomo  [Z4-300SRR]

Yokomo Z4-300SRR S4Arm R.Suspension Mount RR (B-Chamfer) forYZ-4
Price:
£15.83
Brand:
Yokomo
Model:
Z4-300SRR
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Product summary for YZ-4 rear mount

This aluminum rear suspension mount is the right-rear replacement designed specifically for the Yokomo YZ-4 scale touring chassis. It is machined for rear-side installation and intended to be used with S4Arm-length suspension arms so the rear track meets targeted dimensions.

Use the mount when you need a consistent rear mounting surface to control rear track width and alignment while preserving arm geometry. The unit is supplied as a bare mount to fit standard YZ-4 rear mounting points; refer to the compatibility list below for confirmed B-series chassis codes.

Specifications

  • Item Rear suspension mount RR (B-Chamfer), S4Arm compatible
  • Material Machined aluminum
  • Model Number Z4-300SRR
  • Compatibility For YZ-4 series rear installation

Compatible Models

  • B-YZ2CA
  • B-YZ2DT
  • B-YZ2DTM
  • B-YZ2DTMW
  • B-YZ4

Pick this mount when meeting S4Arm length requirements is necessary to comply with width limits or to refine rear track for balanced handling on YZ-4 based cars.
Remark :
Due to limited stock availability, please notice that some Yokomo items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

Which YZ-4 chassis codes are explicitly supported?

Refer to the compatible models list included above; it shows the B-series chassis codes confirmed to work with this rear mount.

Does the listing detail included hardware or screws?

Product listings differ by seller; check the specific retailer page for a breakdown of included hardware, as some vendors supply only the mount while others bundle screws.

How do I confirm this part will not alter my arm geometry?

This mount is shaped to match YZ-4 rear points and is intended to be used with S4Arm-length arms so arm geometry remains unchanged; measure mounting locations to be certain.

Can I use this mount for tuning rear track on track day setups?

Yes. Installing the mount lets you set a consistent rear track when paired with the correct arm length, allowing you to experiment with small width changes to influence rear grip and balance.

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