Yokomo S4-018A Rear Shock Tower for YZ-4S  [S4-018A]

Yokomo S4-018A Graphite Rear Shock Tower for YZ-4S
Price:
£12.89
Brand:
Yokomo
Model:
S4-018A
GTIN:
0639342187904
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Replacement rear shock tower for B-YZ4SF and YZ-4S chassis

The S4-018A is a 4mm graphite rear shock tower made for 1/10 scale YZ-4 series touring car chassis. It acts as a replacement rear mount that affects roll stiffness and camber behavior under load.

Documented fitment includes B-YZ4SF and YZ-4S variants. Before installation, confirm the mounting hole pattern aligns with your chassis and consider reusing the original six-point fixings when suitable to preserve the designed suspension geometry.

Specifications

  • Item Rear shock tower
  • Material Graphite, 4mm thickness
  • Model Number S4-018A
  • Compatibility B-YZ4SF, YZ-4S

This graphite tower is used to change rear roll characteristics and provide alternate shock mounting locations as part of chassis setup and suspension tuning for 1/10 scale touring RC models.
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.

Do I need to measure anything before buying?

Measure the distance between your existing shock posts and compare hole centers to ensure the S4-018A lines up. Confirm your chassis code is B-YZ4SF or YZ-4S for best compatibility.

Can I use the stock mounting bolts with this tower?

In most cases the original six-point fasteners will fit and should be reused to maintain the original geometry; verify thread engagement and torque after installation.

Is the S4-018A interchangeable between YZ-4 variants?

It is compatible with the listed B-YZ4SF and YZ-4S codes, but cross-check mounting patterns if you run modified or third-party components that may alter fitment.

How precise must alignment be to avoid handling changes?

Accurate alignment is important; misaligned holes or uneven fastener torque can shift roll center and camber behaviour. Ensure flat seating and consistent torque values when fitting the tower.

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