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 1.750"L
King Pin / Axle Boss - Micro Sprint (AB-MIC-02)
SKU: AB-MIC-02
$6.28Price
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