The Arrowmax AM-MAX-003 spring cup set is an RC spares pack intended for use with Yokomo B-MAX shock assemblies. It contains 4 pcs of spring cups labelled 7075, manufactured to match the common spring-seat interfaces found on B-MAX shocks.
Role in set-up: the spring cups position the spring on the shock shaft and help keep preload and seating consistent during running. From a tuning perspective they are a straightforward way to reduce spring-height variation that affects handling consistency.
Compatibility advice: advertised for Yokomo B-MAX series shocks as shown in the product name; check your shock top and lower perch dimensions before swapping parts to ensure a correct fit.
Installation summary: remove the existing cup from the shaft or lower perch, slide the spring over the new cup and rebuild the shock following the shock design. Standard hand tools are normally adequate; handle components carefully to prevent damage to threads or shafts.
Materials note: identified as 7075 in the product name, this aluminium alloy is commonly chosen for hop-up parts where contact and wear occur at the spring seat.
Packing contents:
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