The Factory Pro FP-M-AC3030BK 3mm x 3.0t Collar pack is aimed at drivers who want reliable shim options for fine adjustments. Use these collars to tweak gear mesh, axle play, and small tolerance issues that affect on-track performance.
These black collars are adaptable for many RC platforms that take 3mm spacers. Their 3.0t thickness makes them useful for incremental changes to suspension geometry and drivetrain spacing to improve handling under load.
Durable enough for repeated use, the Factory Pro set is a cost-effective way to keep spare shims in your parts box. Ten pieces give you flexibility to experiment with setups without needing single custom shims.
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