Add Weight. Gain Stability.
Upgrade your TRX-4M’s front-end performance with the Traxxas Brass Caster Blocks, designed to deliver improved steering stability, traction, and balance. Precision-machined from high-quality brass, these caster blocks add 4 grams of low-mounted weight per side, helping your mini crawler stay planted on steep climbs and technical terrain.
Performance Meets Precision
These brass caster blocks replace the stock composite parts for a direct, bolt-on fit, adding valuable weight down low without compromising steering geometry. Perfect for trail crawlers and competition drivers looking for a smoother, more controlled feel on challenging courses.
Features:
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Precision-machined brass construction adds 4 g per side
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Lowers center of gravity for better crawling stability
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Improves front-end traction and steering balance
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Direct factory fit — no modifications needed
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Durable and corrosion-resistant finish
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Genuine Traxxas factory upgrade
Includes:
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(1) Left Brass Caster Block (4 g)
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(1) Right Brass Caster Block (4 g)
Compatibility:
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Traxxas TRX-4M Ford Bronco (Model #97074-1)
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Traxxas TRX-4M Defender (Model #97054-1)
Traxxas Tough — Add Brass. Conquer More.