The Arrowmax AM-930002 is a drag-assisted oneway unit intended for use in the front differential of the Infinity IF18 RC touring car chassis. Installed as a direct replacement, it alters how the front diff transfers torque when decelerating and under low-speed load, giving tuners a predictable drag behaviour to work from when balancing front traction and steering response.
This RC-scale component is designed to fit into the IF18 front differential housing without modifying the chassis; confirm internal clearances and diff geometry before final assembly. The unit integrates with standard IF18 diff parts and is intended to complement suspension and tyre setup rather than substitute those changes.
Fitting the unit involves diff disassembly, removal of the original oneway, and installing the AM-930002 while ensuring shims and bearings are returned to their correct positions for reliable engagement. After installation, perform on-track evaluation and incremental changes to differential preload and tyre setup to tune the front-end feel.
Employ this oneway to refine front traction and deceleration characteristics on IF18 builds, tuning progressively to suit circuit grip and driving style.
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