These machined aluminum rear knuckle arms are a direct aftermarket replacement for the Blitzer Beetle, Stadium Blitzer, and Stadium Thunder rear suspension. The anodized red finish offers durable protection and the metal construction provides a firmer mounting point than the original plastic arms, aimed at hobbyists tuning rear-end behaviour and longevity.
The arms match the stock rear knuckle mounting pattern on the listed models and are supplied as hop-ups that fit existing assemblies without chassis modification. Installation typically reuses the vehicle fasteners and ball studs, keeping setup familiar to current owners.
Fit these arms when increased lateral stiffness at the rear is desired, for example when fine-tuning roll balance or when upgrading to metal hardware elsewhere in the suspension. Expect a precise, technical change to rear reaction rather than dramatic performance claims.
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