This is a 13mm big bore shock piston from the SO/MO series. The hole diameter is two holes, from 1.8 to 2.0 mm, but by setting the piston thickness to a thickness of 2.5 mm, it is possible to obtain a firm damping due to the action of fluid mechanics. Contains 2 pieces each.
Supported ChassisSOR-030 / MOR-020
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