This Kyosho SCW034 HD drive washer is an RC-scale spare meant to set and maintain accurate drivetrain spacing on the Tomahawk 85 WC and on Scorpion Series drivetrains using the same washer profile. The pack includes two pcs so you can match spacing on both sides of an axle or keep a spare for service.
As a heavy-duty washer it gives consistent lateral clearance between hubs, gear interfaces, or gearbox faces without changing gear mesh. Use it as a thin, reliable shim to remove binding or to fine-tune alignment on 1/8 and comparable scale vehicles that share the Tomahawk/Scorpion layout.
Fitting is simple: remove the hub or gear stack, slide the washer onto the shaft where needed, rotate the drivetrain through suspension travel to confirm free movement, then reassemble. Inspect bearing contact and ensure the washer does not alter bearing preload. Repeat measurements on both sides to retain handling balance.
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