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" kingpins. Equipped with two 1/4-28 set screw locations to lock king pin in place. 1.000"OD X .628"ID X 1.625"L
King Pin / Axle Boss - Micro Sprint (AB-MIC-03)
SKU: AB-MIC-03
$8.75Price
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