HARP HD IS PROUD TO OFFER REVHD RT-0003 TEMP INDICATING POP OUT BOLTS

THESE ARE PRIMARILY USED IN TRAILER AND STEER AXLE APPLICATIONS TO INDICATE IF THERE IS A PROBLEM WITH THE WHEEL HUB SIMPLY BY LOOKING (THESE ARE NOT AN EXCUSE TO NOT PRE TRIP...) 

THE TEMPERATURE INDICATING BOLT POPS OUT LIKE A TURKEY TIMER WHEN THE HUB REACHES 250 DEGREES F. 

WE HAVE ALSO FOUND VALUE IN THESE BOLTS AS A WARRANTY INDICATOR - INSTALLING IN OTHER ITEMS SUCH AS ENGINES, TRANSMISSIONS ETC FOR AN IDICATION THAT THE UNIT HAS SEEN OVERHEAT CONDITIONS. 

EXCELLENT VALUE, HIGHLY ADVISED TO INSTALL ONE ON EVERY WHEEL END AND POWER UNIT THAT COMES THROUGH YOUR SHOP, AND A GREAT WAY FOR FLEET MANAGERS TO IMPROVE SAFETY AND DECREASE DOWNTIME