Store › Sprint Car Thrust Bearing Kit (Both Sides) Image 1 of 1 Sprint Car Thrust Bearing Kit (Both Sides) $24.95 .859/.869 Kingpin spindle bearing and thrust washers kit. (.032 thickness of washers) For under both spindles. Quantity: Add To Cart Added! .859/.869 Kingpin spindle bearing and thrust washers kit. (.032 thickness of washers) For under both spindles.