This rear brass weight is an aftermarket tuning part built to mount on the rear H-arm assembly and alter unsprung mass at the rear axle. Fitted to a sturdy aluminum H-arm base, the mass applies load more directly to the rear tyres regardless of chassis pitch, helping to control rear slide during corner entry and produce a steadier rear behaviour.
Two 10g brass pieces are supplied to clip onto the base weight, allowing stepped increases without shifting the chassis centre of gravity. Use this part together with tyre choice and suspension tuning as part of an overall handling strategy, not as a single fix.
Y2-008RW10 is intended for tuners who want to adjust rear unsprung mass and tweak rear traction. Install on an appropriate aluminium H-arm base and experiment with tyre and suspension choices to refine handling balance.
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