Fit the Kyosho VZW450 - SP3D Racing Clutch Assembly to your OS12TG/R4 engine for clearer throttle response in V ONE R4 cars. The unit is intended to deliver controlled engagement under competitive conditions.
Kyosho designed the SP3D clutch to resist wear while keeping engagement consistent over time. That reliability helps reduce mid-race variability and keeps drivability predictable.
The assembly matches the OS12TG/R4 mounting and fits into V ONE R4 setups without elaborate changes. It is suitable for routine maintenance upgrades and for owners tuning their setup for race days.
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