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Suspension arm/rear hub set (pro 3)
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Suspension arm set (rs4 mt/mt1 nitro)(1fr+1rr)
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Carbon graphite front bulkhead set(stiffer than a340)
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HPI - Carbon graphite suspension arms (2pairs/rs4 pro 2/sport2) (A467)
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Upper deck set nitro rs4
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Roll bar set (nitro rush)
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Mini servo saver set
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Belt 30s3m459 (low friction/pro 3/front
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Belt s3m 516 (172t) 3.5mm low friction(sport2/pro2)
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Belt s3m 213 (71t) 4mm (soft)(pro 3)
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Shock body (77-117mm/2pcs)
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Sport shock set (62 - 87)(rs4 mt front)
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Sport shock set (70 - 103)(rs4 mt rear)
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Fly wheel (machined type)
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Clutch bell 13/16 tooth (nitro 2 speed)
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Pulley shaft 5 x 70mm gray
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Diff final gear set (p1x38t/p1x13t) (A855)
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Heavy-duty 38 tooth final gear (p1x38t)
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Exhaust manifold(rush)
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2 speed 1st aluminum gear adapter (op nitro)