These are 4130 chromoly steel axle bosses. They are used to mount the spindles on micro-sprint front axles. Precision machined to fit 5/8" king pins. 1.000"OD X .628"ID X 2.100"L
King Pin / Axle Boss - Micro Sprint (AB-MIC-01)
SKU: AB-MIC-01
$6.28Price
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