The KZ-01B/WO graphite upper plate is an optional aftermarket part for Kyosho Mini-Z MR-015 scale cars. It fits as a direct-style upper plate on KZ-01/BU/WO chassis, preserving the stock screw pattern while altering torsional stiffness and mass distribution at the top deck.
Installation follows standard Mini-Z practice: remove the original upper plate and attach the graphite plate using the chassis existing screw positions. Confirm screw lengths and internal clearances before final tightening to prevent interference with the motor or electronics. No extra specialised tools are necessary.
Used for tuning, the graphite increases torsional stiffness compared with thinner plastic plates, which concentrates setup changes on suspension and weight placement. Fit the plate, perform controlled handling tests, then make incremental adjustments to springs, dampers, or ballast to refine behaviour.
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