KPRA may refer to:
*
Kingpin
Kingpin or king pin may refer to:
Vehicular part
* Kingpin (automotive part), the pivot in the steering mechanism
** The central bolt of a skateboard, axle assembly ("truck"), around which the rest of the mechanism can flex, allowing the rider ...
to
rear axle
An axle or axletree is a central shaft for a rotating wheel or gear. On wheeled vehicles, the axle may be fixed to the wheels, rotating with them, or fixed to the vehicle, with the wheels rotating around the axle. In the former case, bearing ...
, a measurement of the length of a semi-tractor trailer
*
KPRA (FM) (89.5 FM), a radio station in Ukiah, California
{{Disambiguation, callsign