The Yokomo B9-BTCB Belt Tension Adjust Cam is a machined upgrade that gives BD9 owners reliable belt control. It is intended to help you set repeatable tension that keeps the drivetrain running smoothly under varied track conditions.
Fine adjustments to belt tension affect traction feel and component longevity. This cam makes it easier to tune belt preload so your car responds predictably when you change tyres or track grip.
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