The Tamiya 53613 Lightweight Joint Cup Front One-Way Unit OP-613 is intended as a direct upgrade for the TA-04 chassis. It replaces the standard front differential to provide snappier steering response and more predictable corner entry. This lightweight option is aimed at enthusiasts who want to fine tune front-end behaviour without heavy modification.
Finished in blue anodized aluminium, the unit lowers rotating mass while remaining robust in use. The set arrives with the mounting ring, black nylon pulleys and diff joints so you have the necessary parts to complete the conversion.
Assembly is simple using the supplied allen key and instructions. Ensure pulleys spin freely and that all fixings are tightened correctly prior to running. This upgrade is suitable for drivers seeking improved steering precision and steadier mid-corner balance.
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