Koswork 2.5x6.1x0.25mm Diff RC Differential Shim (8pcs) - KOS402506-025

The Koswork KOS402506-025 differential shims are precision-machined washers designed for fine-tuning differential preload and end-float in competition RC cars. Each shim measures 2.5x6.1x0.25mm, making them a specific-size solution for builders and racers who need exact stack heights when setting up or rebuilding differentials. Supplied in a pack of eight, they give you enough quantity to work across multiple differentials or to try different stack combinations during setup.

Key Features

• Precise 2.5x6.1x0.25mm dimensions allow accurate control of differential preload and gear mesh
• Pack of eight shims provides enough quantity for multi-differential setups or repeated build sessions
• 0.25mm thickness suits fine adjustment where small increments make a measurable difference in diff feel
• Suitable for use during differential rebuilds, initial builds, or setup changes at the track
• Koswork part number KOS402506-025 makes reordering straightforward when running low on stock

What's Included

• 8x Koswork 2.5x6.1x0.25mm differential shims/washers (KOS402506-025)

What You Need

• Compatible RC car differential unit requiring 2.5x6.1x0.25mm shims
• Appropriate tools for differential disassembly and reassembly